Version 2509 current as of SEP 2025.
| Location | County | State/Province | Directions,Notes | Age | Formation | Fossils | Site ID | Comments | Reference | Lat-Long | | | Spare1 | Spare2 | Spare3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| -East region | (?) | IA | Area exposures in East Iowa/West Illinois | M | Burlington Limestone | vertebrates(marine)-fish-chondrichthyes-chimaera-Deltodus;selachii-Cladodus,Ctenacanthus,holocephali-Physonemus | IA0237 | 40.8084,-91.1144,location:Burlington.IA,AIi15 | | | *$IA0049,IA0051,IA0052,IA0162,IL0218 | ||||
| North Central IA | - | IA | in regional exposures | D | invertebrates-porifera-stromatoporoidea | IA0001 | 43.1400,-93.0056,location:Rockford.IA,AHh14 | | | *$IA0024,IA0075,IA0076,IA0078,IA0079,IA0080,IA0081,IA0082,IA0085,IA0087,IA0088,IA0244,IA0247 | |||||
| Crescent | Adair | IA | In quarry | PN | Stark | vertebrates-fish(bones) | IA0002 | 42.3078,-95.0417,,AKm73? | | | $* | ||||
| Greenfield | Adair | IA | In quarry | PN | Stark | vertebrates-fish-chondrichthyes-chimaera-Agassizodus | IA0003 | 41.3082,-94.4519,,AKm73? | | | $* | ||||
| Harrison Township | Adair | IA | in Sec 27 in ravine on hillside | invertebrates-brachiopoda,bryozoa,echinoderms-crinoids(columnals);;vertebrates-fish(fragments) | IA0004 | 41.3747,-94.2981,,AKm74 | | | $* | ||||||
| Lansing(FirebellHill) | Allamakee | IA | at Fire-Bell Hill | Cu | St Lawrence | invertebrates-arthropoda-trilobita-Illaenurus | IA0007 | Can't locate Fire Bell Hill, but illustrations show what looks like a vertical stream bank quite a few meters high. | http://ir.uiowa.edu%2Fcgi%2Fviewcontent.cgi?article=1299 | 43.3569,-91.2119,,AKm73? | | | *$IA0005,IA0006,IA0031 | ||
| Lansing(S1) | Allamakee | IA | 1 km S | Cu | Eau Claire | invertebrates-arthropoda-trilobita-Saratogia | IA0005 | 43.3569,-91.2119,,AKm73? | | | *$IA0006,IA0007,IA0031 | ||||
| Lansing(W2) | Allamakee | IA | 5 km W on hillside 3 meters above road on N side | Cu | St Lawrence | invertebrates-arthropoda-trilobita-Dikelocephalus | IA0006 | 43.3653,-91.2705,,AKm73? | | | *$IA0005,IA0007,IA0031 | ||||
| Postville Junction | Allamakee | IA | O | Maquoketa | invertebrates-arthropoda-trilobita-Megalaspis,(others) | IA0254 | http://www.archive.org/stream/catalogueoftypes22nite/catalogueoftypes22nite_djvu.txt | 43.0848,-91.5680,,AKm73 | | | $*IA0074 | ||||
| Eldorado | Benton | IA | O | Maquoketa | invertebrates-arthropoda-trilobita-Anataphrus | IA0008 | 43.0506,-91.8353,,AKm73? | | | $* | |||||
| Waterloo | Black Hawk | IA | M | Kinderhook | invertebrates-echinoderms-crinoids | IA0009 | 42.4964,-92.3442,,AKm73? | | | *$IA0010,IA0011 | |||||
| Waterloo(PintsQry) | Black Hawk | IA | Pints Quarry | D | Cedar Valley Limestone | vertebrates-fish-arthrodira-Macropetalichthys,Rhynchodus;chondrichthyes-selachii(sharks)-Ptychodus | IA0011 | 42.4964,-92.3442,,AKm73? | | | *$IA0009,IA0010 | ||||
| Boonsboro | Boone | IA | invertebrates-mollusks-bivalvia-Edmondia | IA0012 | 42.0597,-93.8798,location:Boone.IA,AKm73 | | | $* | |||||||
| Madrid | Boone | IA | PN | Labette | invertebrates-mollusks-bivalvia-Dunbarella,Pteria;;;vertebrates-fish-chondrichthyes-selachii(sharks)-holocephali-edestidae(spines),Listracanthus | IA0013 | 41.8767,-93.8231,,AKm73? | | | $* | |||||
| Waverly | Bremer | IA | in limestone | D | Hamilton | vertebrates-fish-arthrodira-Rhynchodus;ptyctodontida-Ptyctodus | IA0014 | 42.7233,-92.4681,,AKm73? | | | $* | ||||
| Brandon | Buchanan | IA | D | Independence Shale | invertebrates-arthropoda-trilobita-Cyphaspis | IA0255 | http://www.archive.org/stream/catalogueoftypes22nite/catalogueoftypes22nite_djvu.txt | 42.3148,-92.0024,,AKm73 | | | *$IA0015,IA0017,IA0122,IA0123 | ||||
| Brandon(E-LimeCk) | Buchanan | IA | E along Lime Creek in Cemetery in Limestone | invertebrates-echinoderms-crinoids(fragments) | IA0015 | 42.3151,-91.9922,,AKm73? | | | *$IA0016,IA0017,IA0122,IA0123,IA0255 | ||||||
| Brandon(LimeCk) | Buchanan | IA | along Lime Creek E of Cemetery in abandoned and active quarries | invertebrates-brachiopoda-Atrypa;echinoderms-Agelacrinites | IA0017 | 42.3134,-91.9915,,AKm73? | | | *$IA0015,IA0016,IA0122,IA0123,IA0255 | ||||||
| Brandon(SE-RR) | Buchanan | IA | SE IN interurban RR cuts in Limestone | D | Cedar Valley | invertebrates-echinoderms-crinoids(fragments) | IA0016 | The Interurban rail path is now apparently the Cedar Valley Nature Trail | 42.3052,-91.9775,,AKm73? | | | *$IA0015,IA0017,IA0122,IA0123 | |||
| Brandon(SW-CedarRiv) | Buchanan | IA | on Cedar River SW of Brandon | invertebrates-brachiopoda-Douvillina | IA0018 | 42.2929,-92.0366,,AKm73? | | | *$IA0122,IA0123 | ||||||
| Littleton(LittletonDam) | Buchanan | IA | below Littleton dam on both sides of Wapsipinicon River | D | Cedar Valley | invertebrates-brachiopoda-Atrypa,spiriferida-Spirifer;Stropheodonta;bryozoa,cnidaria-corals-rugosa-Cryptophyllum,Hexagonaria;tabulata-Favosites;;;echinoderms-crinoids(columnals);mollusks-cephalopoda | IA0019 | As of 2014, the Littleton Dam (low head) may/will be removed. | 42.5305,-92.0280,,AKm73? | | | *$IA0123 | |||
| Lewis(ColdSpringsPrk) | Cass | IA | in banks of Nishnabotna River accessible on abandoned road from Cold Springs State Park | PN | Oread | invertebrates-brachiopoda,bryozoa;protists-forams-fusulinida;;vertebrates-fish-chondrichthyes-selachii(sharks)(teeth)(sparse) | IA0020 | 41.2945,-95.1025,,AKm73? | | | $* | ||||
| Clarence | Cedar | IA | S | Niagara Falls dolomite | invertebrates-arthropoda-trilobita-Cheirurus,Metopolichas | IA0021 | 41.8894,-91.0569,,AKm73? | | | $* | |||||
| -Area | Cerro Gordo | IA | D | invertebrates-brachiopoda-Schizophoria | IA0026 | 43.0382,-93.0302,location:Bird Hill.IA,AKm74 | | | *$IA0022,IA0023,IA0243 | ||||||
| Bird Hill(W2-B47) | Cerro Gordo | IA | 1.6km W on B47 | Du | Hackberry_IA | invertebrates-brachiopoda-Atrypa,Cyrtospirifer,productida-Productella;spiriferida-Spirifer,Tenticospirifer;Theodossia;cnidaria-corals;porifera-stromatoporoidea-Idiostroma | IA0022 | 1 Acre preserve -- collecting permitted | http://www.americasstateparks.org/Iowa/park/Bird-Hill-State-Preserve/662 | 43.0383,-93.0480,,AKm73? | | | *$IA0023,IA0026,IA0243 | ||
| Bird Hill(W8) | Cerro Gordo | IA | 8km W and 1.6km S of Rockford, IA on Floyd-Cerro Gordo County line | D | Lime Creek | worms-annelida-Serpula | IA0243 | S70 (zinnia St to 190th st(B47). W 400 meters to 1 acre preserve on N side of road. Collecting permitted. | http://www.archive.org/stream/typefossilmiscel371forn/typefossilmiscel371forn_djvu.txt | 43.0383,-93.0288,,AKn82 | | | *$IA0022,IA0023,IA0026 | ||
| Claybanks Forest | Cerro Gordo | IA | 'Hackberry Fauna' exposures at Claybanks Forest Park-Devonian Fossils presumably similar to those at Rockford,IA | D | - | IA0024 | 43.0931,-93.0635,,AKm73? | | | *$IA0001,IA0088,IA0244 | |||||
| Hackberry(W5-BirdHill) | Cerro Gordo | IA | 5 km W at Bird Hill | ? | IA0023 | 43.0383,-93.0288,,AKn82 | | | *$IA0022,IA0026,IA0243 | ||||||
| Lime Creek(HackberryGrove) | Cerro Gordo | IA | At Hackberry Grove | D | Lime Creek | worms-annelida-polychaeta-Spirorbis | IA0244 | Hackberry Grove=25 meter cliff in bank of Lime Creek in Portland Twp Sec 35 | http://www.archive.org/stream/typefossilmiscel371forn/typefossilmiscel371forn_djvu.txt | 43.0973,-93.0531,,AKm73 | | | *$IA0001,IA0024,IA0088 | ||
| Portland Township | Cerro Gordo | IA | nw1/4 sw1/4 s31 | invertebrates-arthropoda-trilobita-Goldius | IA0025 | 43.0892,-93.1325,,AKm73 | | | $* | ||||||
| Rockford(RockfordBrickPit) | Cerro Gordo | IA | In pit of Rockford Brick and Tile Company | D | Lime Creek | ichnofossils-feeding_trace-Zoophycus | IA0247 | Now a county park. Collecting permitted. W on 215th St for 2 km. Park is on N side of road? | http://www.archive.org/stream/typefossilmiscel371forn/typefossilmiscel371forn_djvu.txt | 43.0452,-92.9801,,AKm73 | | | *$IA0001,IA0077,IA0078,IA0079,IA0080,IA0081,IA0082,IA0083,IA0084,IA0085,IA0259 | ||
| Elkader(SW2) | Clayton | IA | 3-10 meters below Galena dolomite in small creek 2 km SW | O | Platteville, Upper | invertebrates-arthropoda-trilobita-Illaenus | IA0027 | 42.8539,-91.4053,,AKm73? | | | $* | ||||
| Marion Township | Clayton | IA | nw1/4 se1/4 s19 along left bank of a small North flowing tributary of the Turkey River in shaley Limestone | O | Elgin | invertebrates-arthropoda-trilobita(fragments)-Isotelus;;graptolites | IA0028 | 42.9373,-91.6069,,Klm72 | | | $*IA0044 | ||||
| McGregor(SW6-SnyMagillCk) | Clayton | IA | 6 km SW along Sny Magill Creek in Limestone | O | Platteville | invertebrates-arthropoda-trilobita-Ceraurus | IA0029 | 42.9905,-91.2475,,AKm73? | | | *$IA0030,IA0032 | ||||
| McGregor(SWg-KnowlesQry) | Clayton | IA | 6 km SW in Boyles Quarry in Limestone | O | Platteville | invertebrates-arthropoda-trilobita-Ceraurus,Eoharpes | IA0030 | Can't find exact location of Boyle Quarry or identify old quarry in satellite images. Location is very approximate | 42.9817,-91.2519,,AKm73? | | | *$IA0029,IA0032 | |||
| McGregor(SnyMagillCk) | Clayton | IA | along Sny Magill Creek in Limestone exposures | O | Platteville | invertebrates-arthropoda-trilobita-Ceraurus | IA0032 | 42.9905,-91.2475,,AKm73? | | | *$IA0029,IA0030 | ||||
| McGregor(region) | Clayton | IA | N to Minnesota line in Cambrian Upper Sandstones along Mississippi River | Cu | invertebrates(sparse) | IA0031 | 43.2912,-91.0904,,AIi34 | | | *$IA0005,IA0006,IA0007,MN0041 | |||||
| Sperry Township | Clayton | IA | S of center of Sec 11 | O | Galena | invertebrates-echinoderms-crinoids | IA0033 | 42.7939,-91.5158,,AKm73 | | | $* | ||||
| Strawberry Pt | Clayton | IA | area quarries | S | invertebrates-mollusks | IA0034 | 42.6870,-91.5312,,AKm62 | | | $* | |||||
| Clinton | Clinton | IA | S | Niagaran | invertebrates-arthropoda-trilobita-Goldius;;graptolites | IA0035 | 41.8333,-90.1942,,AKm73? | | | $* | |||||
| Clinton(area) | Clinton | IA | from US30 N to US20 in quarries and roadcuts | S | invertebrates-mollusks | IA0036 | 42.2610,-90.4284,,AHh23? | | | $* | |||||
| Boyer | Crawford | IA | in area streams and gullies | invertebrates-mollusks-bivalvia,gastropoda | IA0039 | 42.1772,-95.2325,,AIm73? | | | $*IA0038 | ||||||
| Boyer(N) | Crawford | IA | N at lower end of valley in blue-gray silt | invertebrates-mollusks | IA0038 | 42.1864,-95.2276,,AIm73? | | | $*IA0039 | ||||||
| Boyer(N-PorterCk) | Crawford | IA | N along Porter Creek in bench 10 meters above Creek | invertebrates-mollusks | IA0037 | 41.9411,-95.6296,,AKm73? | | | $* | ||||||
| Redfield | Dallas | IA | in clayey shale | PN | invertebrates-arthropoda-merostomata-xiphosura-Euproops | IA0040 | 41.5894,-94.1958,,AKm73? | | | $* | |||||
| Bloomfield | Davis | IA | O | Maquoketa | invertebrates-arthropoda-trilobita-Amphilichas,Calymene,Ceraurinus,(others) | IA0253 | http://www.archive.org/stream/catalogueoftypes22nite/catalogueoftypes22nite_djvu.txt | 40.7517,-92.4147,,AKm73? | | | $*IA0041 | ||||
| Bloomfield | Davis | IA | O | Maquoketa, Lower | invertebrates-arthropoda-trilobita-Encrinurus | IA0041 | 40.7517,-92.4147,,AGl63? | | | $*IA0253 | |||||
| Clermont(SE-OtterCk+TurkeyRiv) | Davis? | IA | near junction of Otter Creek and Turkey River (which seems to be SE of Clermont in Elgin.) | O | Maquoketa, Lower | invertebrates-arthropoda-trilobita-Isotelus | IA0045 | Clermont is in Fayette Cy. Is this location perhaps in Davis County? | 42.957,-91.6238,,AKm73? | | | *$IA0042,IA0043,IA0044,IA0069,IA0250,IA0251 | |||
| Elgin | Davis | IA | O | Maquoketa | invertebrates-arthropoda-trilobita-Calymene | IA0043 | 42.9575,-91.6306,,AKm73? | | | *$IA0042,IA0045,IA0069,IA0250,IA0251 | |||||
| Elgin | Davis | IA | O | Maquoketa, Lower | invertebrates-arthropoda-trilobita-Isotelus | IA0042 | 42.9575,-91.6306,,AKm73? | | | *$IA0043,IA0045,IA0069,IA0250,IA0251 | |||||
| Elgin(SE) | Davis | IA | in road cuts along Turkey River SW(SE?) of town in Elgin member of the Maquoketa formation. | O | Maquoketa | invertebrates-arthropoda-trilobita;mollusks-cephalopoda-ammonoidea | IA0044 | 42.9509,-91.6030,,AKm73? | | | *$IA0028,IA0045,IA0250,IA0251 | ||||
| Devil's Backbone? | Delaware? | IA | At Devil's Backbone. Originally entered as Winterset | PN | Hushpuckney Shale | invertebrates-mollusks-bivalvia-Euchondria | IA0238 | Devils Backbone is Delaware County, nowhere near Winterset | http://books.google.com/books?id=svVskArvqRAC&pg=PA116&lpg=PA116&dq=abbott+pennsylvanian+fossils&source=web&ots=lOtHaJf56y&sig=NJ5TQEVUMG0nHqmfhmFd1_ZhOUg#PPA113,M1 | 42.6203,-91.5601,location:Backbone State Park.IA,AKm75 | | | $* | ||
| Edgewood | Delaware | IA | area quarries | S | invertebrates-mollusks | IA0046 | 42.6444,-91.4011,,AKm73? | | | $* | |||||
| Manchester | Delaware | IA | area quarries | S | invertebrates-mollusks | IA0048 | 42.4843,-91.4638,,AKm73? | | | *$IA0047 | |||||
| Manchester(W4) | Delaware | IA | 4 km W | Su | Niagara Falls Limestone | invertebrates-arthropoda-trilobita-Illaenus;;graptolites | IA0047 | 42.4841,-91.4967,,AKm73? | | | $*IA0048 | ||||
| Augusta | Des Moines | IA | Rare crinoids-calices in crinoidal limestone | Ml | Burlington Limestone | invertebrates-echinoderms-crinoids(calices) | IA0051 | 40.7581,-91.2756,,AKm73? | | | *$IA0049,IA0050,IA0237 | ||||
| Augusta | Des Moines | IA | Ml | Burlington Limestone | invertebrates-echinoderms-crinoids;;vertebrates-fish-chondrichthyes-psammodontidae-Psammodus;selachii(sharks)(teeth)-hybodontidae | IA0049 | 40.7581,-91.2756,,AKm73? | | | *$IA0050,IA0051,IA0237 | |||||
| Augusta(N1) | Des Moines | IA | 1 km N in area exposures | M | Keokuk | - | IA0050 | 40.7645,-91.2778,,AKm73? | | | *$IA0049,IA0051 | ||||
| Burlington | Des Moines | IA | invertebrates-echinoderms-crinoids-Agaricocrinus,Eutrochocrinus | IA0052 | invertebrates-echinoderms-crinoids-Agaricocrinus priginally Agaricocrinites | 40.8056,-91.1017,,AKm73? | | | *$IA0053,IA0159,IA0160,IA0161,IA0162,IA0237 | ||||||
| Burlington(ProspectHill) | Des Moines? | IA | at Prospect Hill in Mississippi River bluffs for 3 km in bone bed at bottom of Prospect Hill shale at site in Crapo Park | M | Prospect Hill | invertebrates-arthropoda-crustacea;brachiopoda,bryozoa,cnidaria-corals;echinoderms-crinoids(columnals);mollusks-bivalvia,cephalopoda;porifera(sponges);plants,vertebrates-fish;worms | IA0264,IA0266 | Modified from IA0053 | Iowa's Geological Past:ThreeBillionYearsofEarthHistory-W Anderson | 40.7756,-91.0965,,AKm73? | | | , | ||
| Burlington(ProspectHill) | Des Moines? | IA | at Prospect Hill in Mississippi River bluffs for 3 km | M | Kinderhook | invertebrates-arthropoda-crustacea;brachiopoda,bryozoa,cnidaria-corals;echinoderms-crinoids(columnals);mollusks-bivalvia,cephalopoda;porifera(sponges);plants,vertebrates-fish;worms | IA0053 | 40.7902,-91.0947,,AKm73? | | | *$IA0052,IA0159,IA0160,IA0161,IA0162 | ||||
| Catfish Creek(mouth) | Dubuque | IA | near mouth | O | Platteville Limestone | invertebrates-arthropoda-trilobita-Ceraurus | IA0054 | 42.4681,-90.6447,,AKm73? | | | $* | ||||
| Center Township | Dubuque | IA | ne1/4 s29 2 meters above NW flowing tributary of Little Maquoketa River | invertebrates-mollusks-cephalopoda-orthocerida-Orthoceras | IA0055 | 42.4579,-90.9764,,AKm73 | | | $* | ||||||
| Dubuque(N-MississippiRiv) | Dubuque | IA | North in Mississippi River Bluffs to mouth of Turkey River | O | Trenton | invertebrates(?)(abundant) | IA0239 | An American Geological Railway Guide P233 | 42.6366,-90.7200,,AIl63? | | | $* | |||
| Dubuque(N-rr) | Dubuque | IA | 6.5 km N in cuts of Chicago,Milwaukee and St Paul RR | O | Platteville | invertebrates-arthropoda-trilobita-Basilicus,(others) | IA0056 | 42.5710,-90.6873,,AKm73? | | | $* | ||||
| Dubuque(W-14thSt) | Dubuque | IA | at City Quarries on W 14th St | O | Galena dolomite | invertebrates-arthropoda-trilobita-Illaenus,(others) | IA0057 | W 14th St is now Loras Blvd apparently. No sign of quarries on modern satellite maps. | 42.5040,-90.6756,,AKm73? | | | $* | |||
| Dubuque(W19) | Dubuque | IA | 19.2km W | O | Maquoketa | invertebrates-graptolites | IA0248 | http://palaeontology.palass-pubs.org/pdf/Vol 17/Pages 1-40.pdf | 42.5074,-90.8990,,AIk54 | | | *$IA0060,IA0061 | |||
| EaglePtPark? | Dubuque | IA | 3 meters (3km probably) N of Mississippi River Bridge 2 meters above low water | invertebrates-arthropoda-trilobita-Eoharpes | IA0064 | near Eagle Point Park? | 42.5371,-90.6454,,AKm73 | | | $* | |||||
| Florenceville | Dubuque | IA | area outcrops | O | Galena,Platteville | invertebrates-arthropoda-trilobita-Brachyaspis | IA0058 | Brachyaspis is Isotelus | 43.4992,-92.1325,,AKm73? | | | *$IA0059,MN0018 | |||
| Florenceville | Dubuque | IA | on River above town | O | Maquoketa | invertebrates-arthropoda-trilobita-Homotelus | IA0059 | 43.5004,-92.1471,,AKm73? | | | *$IA0058,MN0017,MN0018 | ||||
| Graf | Dubuque | IA | 500 meters above | invertebrates(14species)-brachiopoda-Leptobolus,Lingula;mollusks-cephalopoda-orthocerida-Orthoceras;;;(others) | IA0061 | 42.4891,-90.8763,,AKm73? | | | *$IA0060,IA0062,IA0063,IA0240,IA0248 | ||||||
| Graf | Dubuque | IA | O | Maquoketa, Lower | invertebrates-arthropoda-trilobita-Calymene | IA0060 | 42.4931,-90.8711,,AKm73? | | | *$IA0061,IA0062,IA0063,IA0240,IA0248 | |||||
| Graf Station(W14?) | Dubuque | IA | at ICCR station 12.8km N (W?) of Dubuque and 2.4km N of US 20 | O | Maquoketa | invertebrates-mollusks-cephalopoda(straight) | IA0063 | 42.4836,-90.8607,,AKm73? | | | *$IA0060,IA0061,IA0062,IA0240 | ||||
| Graf(SW) | Dubuque | IA | Roadcut just South West of Graf. Extensive nautiloid death assembleges in limestone layer. Other fossils. No parking for cars at roadcut. Park at Graf Park to the East and walk (500m) to road cut. | O? | invertebrates-arthropoda-trilobita-Thelecalymene;;brachiopoda-Diceromyonia;graptolites,mollusks-bivalvia-Nuculites;cephalopoda-nautiloidea-Isorthoceras;;gastropoda-Liospira,Murchisonia | IA0269 | https://nautiloid.net/fossils/sites/graf/graf.html | 42.4916,-90.8777,,AKm72 | | | , | ||||
| Graf(W14?) | Dubuque | IA | at RR station 14 km W of Dubuque and 2 km N of IA20 | O | Maquoketa | invertebrates-mollusks-cephalopoda-nautilidae | IA0062 | No idea where the station might have been | 42.4836,-90.8607,,AKm73? | | | *$IA0060,IA0061,IA0063,IA0240 | |||
| Lattners(Peosta-N6) | Dubuque | IA | 6.4km N of Peosta -- type locality for Maquoketa Fm | O | Maquoketa | invertebrates(?)(abundant) | IA0240 | An American Geological Railway Guide P233 | 42.4939,-90.8463,,AKm73 | | | *$IA0060,IA0061,IA0062,IA0063 | |||
| Brainard | Fayette | IA | O | Maquoketa,Brainard | invertebrates-arthropoda-trilobita-Calymene | IA0065 | 42.9308,-91.7050,,AKm73? | | | *$IA0073,IA0236,IA0252 | |||||
| Brainard(PattersonsSpr) | Fayette | IA | At Pattersons Springs | O | Maquoketa | invertebrates-arthropoda-trilobita-Calymene | IA0252 | http://www.archive.org/stream/catalogueoftypes22nite/catalogueoftypes22nite_djvu.txt | 42.9312,-91.7052,,AKm74 | | | *$IA0065,IA0073,IA0236 | |||
| Clermont | Fayette | IA | in road cuts along Clermont-Elgin road in Elgin member of | O | Maquoketa | invertebrates-arthropoda-trilobita;mollusks-cephalopoda-ammonoidea | IA0069 | 42.9630,-91.6510,,AKm73? | | | *$IA0042,IA0043,IA0045,IA0250,IA0251 | ||||
| Clermont | Fayette | IA | O | Maquoketa | invertebrates-arthropoda-trilobita-Amphilichas,Bumastus,Dolichoharpes,Encrinurus,Megalaspis,(others) | IA0249 | http://www.archive.org/stream/catalogueoftypes22nite/catalogueoftypes22nite_djvu.txt | 43.0036,-91.6523,,AKm73 | | | *$IA0066,IA0067,IA0068,IA0070,IA0071 | ||||
| Clermont | Fayette | IA | O | Maquoketa | invertebrates-arthropoda-trilobita-Calymene | IA0067 | 43.0036,-91.6522,,AKm73? | | | *$IA0066,IA0068,IA0070,IA0071,IA0249 | |||||
| Clermont | Fayette | IA | O | Maquoketa, Lower | invertebrates-arthropoda-trilobita-Megalaspis | IA0066 | 43.0036,-91.6522,,AKm73? | | | *$IA0067,IA0068,IA0070,IA0071,IA0249 | |||||
| Clermont Township | Fayette | IA | In creek banks above bridge in center of S35 | invertebrates-arthropoda-trilobita;graptolites | IA0070 | 42.9991,-91.6395,,AKm73 | | | *$IA0066,IA0067,IA0068,IA0071,IA0249 | ||||||
| Clermont Township(area) | Fayette | IA | in area shale outcrops | invertebrates-arthropoda-trilobita;graptolites | IA0071 | 43.0036,-91.6523,,AKm73 | | | *$IA0066,IA0067,IA0068,IA0070,IA0249 | ||||||
| Clermont(CtyRdY) | Fayette | IA | in dry stream beds along County road Y in Elgin member of | O | Maquoketa | invertebrates-arthropoda-trilobita;mollusks-cephalopoda-ammonoidea | IA0068 | No county road Y near Clermont. | 43.0036,-91.6522,,AKm73? | | | *$IA0066,IA0067,IA0070,IA0071,IA0249 | |||
| Dover Mills | Fayette | IA | O | Maquoketa | invertebrates-arthropoda-trilobita-Calymene | IA0072 | 43.0194,-91.7292,,AKm73? | | | $* | |||||
| Elgin | Fayette | IA | O | Maquoketa | invertebrates-arthropoda-trilobita-Amphilichas,Calymene,Ceraurinus | IA0250 | http://www.archive.org/stream/catalogueoftypes22nite/catalogueoftypes22nite_djvu.txt | 42.9569,-91.6245,,AKm72 | | | *$IA0042,IA0043,IA0044,IA0045,IA0069,IA0251 | ||||
| Elgin(TurkeyRiv+OtterCk) | Fayette | IA | On Turkey River at mouth of Otter Creek | O | Maquoketa | invertebrates-arthropoda-trilobita-Asaphus | IA0251 | http://www.archive.org/stream/catalogueoftypes22nite/catalogueoftypes22nite_djvu.txt | 42.9569,-91.6245,,AKm72 | | | *$IA0042,IA0043,IA0044,IA0045,IA0069,IA0250 | |||
| Patterson Springs | Fayette | IA | Patterson's spring, western half northwest quarter section 20, Pleasant Valley township, Fayette county | O | Maquoketa,Brainard | invertebrates-arthropoda-trilobita-Calymene | IA0236 | 42.9312,-91.7052,,AKm74? | | | *$IA0065,IA0073,IA0252 | ||||
| Pleasant Valley Township(PattersonsSpr) | Fayette | IA | at Patterson Springs w1/2nw1/4s20 in Limestone. Patterson's Spring is about 1.6km N of Brainard, IA. Brainard is at the junction of echo Valley Rd and Avenue F | O | Maquoketa | invertebrates(abundant)-arthropoda-trilobita-Calymene;;brachiopoda-Hebertella,Leptaena,Plectambonites;echinoderms-crinoids(columnals)-Dendrocrinus;;mollusks-gastropoda-pteropoda-tentaculitida-Cornulites | IA0073 | 42.9462,-91.7025,w1/2nw1/4s20,AKm72 | | | *$IA0065,IA0236,IA0252 | ||||
| Postville Junction | Fayette | IA | O | Maquoketa, Lower | invertebrates-arthropoda-trilobita-Megalaspis | IA0074 | 43.0848,-91.5680,,AKm73 | | | $*IA0254 | |||||
| (WilliamsQry) | Floyd | IA | Cystoids(fairly numerous), Edriasteroids(abundant) in bed with limestone nodules and pyrite below a dolomitic silt S28T96NR18W | Du | Shell Rock | invertebrates-bryozoa-Hernodia;cnidaria-rugosa-Pachyphyllum,Smithiphyllum;tabulata-Aulopora;;echinodermata-edrioasteroidea-Agelacrinites,cystoidea-Adocetocystis,Strobilocystites;porifera-stromatoporida;;worms-Spirorbis | IA0268 | http://publications.iowa.gov/25819/1/2014-10-27_19-10-27_ri-5.pdf | 43.0976,-92.9791,S28T96NR18W,AKm72 | | | , | |||
| - | Floyd | IA | area exposures | D | Lime Creek Shale | worms-machaeridia-Lepidocoleus | IA0088 | 43.1400,-93.0056,,AIk53? | | | *$IA0001,IA0024,IA0075,IA0076,IA0081,IA0087,IA0244 | ||||
| Nora Springs | Floyd | IA | invertebrates-porifera-stromatoporoidea-Actinostroma | IA0075 | 43.1400,-93.0056,,AKm73? | | | *$IA0001,IA0076,IA0087,IA0088 | |||||||
| Nova Springs(WillaimsQry) | Floyd | IA | Nora Springs? | invertebrates-echinoderms-cystoidea(plates),edrioasteroidea | IA0087 | 43.1400,-93.0056,,AKm73? | | | *$IA0001,IA0075,IA0076,IA0088 | ||||||
| Nova Springs(WilliamsQry) | Floyd | IA | Williams Quarry -- Nora Spings? | invertebrates-cnidaria-corals;echinoderms-cystoidea(plates),edrioasteroidea | IA0076 | 43.1400,-93.0056,,AKm73? | | | *$IA0001,IA0075,IA0087,IA0088 | ||||||
| Rockford | Floyd | IA | Rockford Fossil and Prairie Park | D | - | IA0259 | https://geonames.usgs.gov/apex/ | 43.0472,-92.9757,,AKm72 | | | *$IA0077,IA0078,IA0079,IA0080,IA0081,IA0082,IA0083,IA0084,IA0085,IA0247 | ||||
| Rockford | Floyd | IA | area limestones | invertebrates-brachiopoda,cnidaria-corals;echinoderms-crinoids | IA0083 | 43.0471,-92.9798,,AKm73 | | | *$IA0077,IA0078,IA0079,IA0080,IA0081,IA0082,IA0084,IA0085,IA0247,IA0259 | ||||||
| Rockford | Floyd | IA | D | invertebrates-brachiopoda,mollusks-cephalopoda-ammonoidea-Imitoceras | IA0078 | 43.0470,-92.9805,,AKm73 | | | *$IA0001,IA0077,IA0079,IA0080,IA0081,IA0082,IA0083,IA0084,IA0085,IA0247,IA0259 | ||||||
| Rockford | Floyd | IA | invertebrates-brachiopoda-Spinatrypa | IA0077 | 43.0470,-92.9805,,AKm73? | | | *$IA0078,IA0079,IA0080,IA0081,IA0082,IA0083,IA0084,IA0085,IA0247,IA0259 | |||||||
| Rockford(AllidConstCoPit) | Floyd | IA | In Allied Construction Company (Charles City,IA) pit 2 km W of Rockford on County Rd B47 in Map FQ Spring 84 p11. N1/2S16R18WT95N-fossils with with traces of original shell coloring | D | Juniper Hill,Cerro Gordo (IA) | invertebrates-brachiopoda-Cranaena | IA0081 | 43.0486,-92.9750,N1/2S16R18WT95N,AKm72 | | | *$IA0001,IA0077,IA0078,IA0079,IA0080,IA0082,IA0083,IA0084,IA0085,IA0088,IA0247,IA0259 | ||||
| Rockford(CtyRdB) | Floyd | IA | 700 meters SW of Rockford Brick and Tile Company on County Road D | D | Hackberry_IA | invertebrates-brachiopoda,cnidaria-corals;mollusks-gastropoda | IA0080 | 215th St? | 43.0471,-92.9798,,AKM73? | | | *$IA0001,IA0077,IA0078,IA0079,IA0081,IA0082,IA0083,IA0084,IA0085,IA0247,IA0259 | |||
| Rockford(CtyRdD) | Floyd | IA | in road cut on County Rd D | invertebrates-brachiopoda,cnidaria-corals | IA0084 | There is no County Road D. Assume now B47=215th St | 43.0454,-92.9795,,AKm73? | | | *$IA0077,IA0078,IA0079,IA0080,IA0081,IA0082,IA0083,IA0085,IA0247,IA0259 | |||||
| Rockford(Fossil Prairie) | Floyd | IA | Prairie park is maintained by the Floyd County Conservation Board. It is full of Devonian age fossils found in the Lime Creek Formation. the Lime Creek Formation is part of the Devonian rock system that can be found in Cerro Gordo and Floyd counties | D | Lime Creek | ? | IA0082 | 43.0471,-92.9798,,AGl63? | | | *$IA0001,IA0077,IA0078,IA0079,IA0080,IA0081,IA0083,IA0084,IA0085,IA0247,IA0259 | ||||
| Rockford(Fossil and Prairie Park Preserve) | Floyd | IA | 2km W of Rockford on County B47 In weathered gray shales. No digging but hand collecting is OK sunrise to sunset | D | Lime Creek | invertebrates-brachiopoda-Spirifer,(39 others);bryozoa,cnidaria-corals-Pachyphyllum;;echinoderms-crinoids;mollusks-gastropoda | IA0263 | 101 American Fossil Sites-Dickas | 43.0472,-92.9808,,AKm72 | | | , | |||
| Rockford(FossilPark) | Floyd | IA | In disused quarries converted into public park. Well preserved fossils--mostly brachiopods. 1.5km West of town. Entrances from 215th St | D | invertebrates-brachiopoda,bryozoa,echinodermata(crinoid stem fragments),mollusks-gastropoda | IA0270 | https://nautiloid.net/fossils/sites/rockford/rockford.html,http://fossilcenter.com | 43.0476,-92.8753,,AKm72 | | | , | ||||
| Rockford(RockfordBrickCoPit) | Floyd | IA | 5 km S and .5 km W of Rockford Brick Co Pit on County Rd | Du | Hackberry_IA | invertebrates-brachiopoda,cnidaria-corals | IA0079 | 43.0471,-92.9798,,AKm73? | | | *$IA0001,IA0077,IA0078,IA0080,IA0081,IA0082,IA0083,IA0084,IA0085,IA0247,IA0259 | ||||
| Rockford(RockfordBrickCoPit) | Floyd | IA | in.5 km S and 6 km W of Rockford Brick Co Pit | Du | Hackberry_IA | invertebrates-brachiopoda-Atrypa,Cyrtospirifer,productida-Productella;spiriferida-Spirifer,Tenticospirifer;Theodossia;cnidaria-corals;porifera-stromatoporoidea-Idiostroma | IA0085 | 43.0474,-92.9773,,AKm73? | | | *$IA0001,IA0077,IA0078,IA0079,IA0080,IA0081,IA0082,IA0083,IA0084,IA0247,IA0259 | ||||
| Rockland(?) | Floyd | IA | invertebrates-brachiopoda-Juresania,Linoproductus,Schuchertella | IA0086 | There doesn't seem to be a Rockland,Iowa. Rockford? But the genera above are Pennsylvanian. Rockford is Devonian | 43.0522,-92.9483,location:Rockford.IA,Aik54 | | | $* | ||||||
| Chapin | Franklin | IA | 2 km W in cherty dolomite | Ml | Maynes Creek | invertebrates-cnidaria-corals(abundant) | IA0089 | 42.8336,-93.2450,,AKm73? | | | *$IA0095 | ||||
| Geneva Township | Franklin | IA | in abandoned quarry in S10 silicified fossils | invertebrates-brachiopoda-Camarotoechia,Cleiothyridina,productida-Productus;Schellwienella,spiriferida-Spirifer;;;vertebrates-fish(spines) | IA0090 | 42.7046,-93.0844,,AKm73? | | | $*IA0091 | ||||||
| Geneva Township | Franklin | IA | in abandoned quarry in S14 silicified fossils | invertebrates-brachiopoda-Camarotoechia,Cleiothyridina,productida-Productus;Schellwienella,spiriferida-Spirifer;;;vertebrates-fish(spines) | IA0091 | 42.7046,-93.0844,,AKm73? | | | $*IA0090 | ||||||
| Hampton(NE5) | Franklin | IA | 5 km NE in quarry | invertebrates-brachiopoda,cnidaria-corals(diverse);echinoderms-crinoids;mollusks-bivalvia | IA0093 | 42.8032,-93.1140,,AKm73? | | | $* | ||||||
| Hampton(NW2-SpringCk) | Franklin | IA | 2 km NW of town in quarry on Spring Creek | invertebrates-brachiopoda,cnidaria-corals(diverse);echinoderms-crinoids;mollusks-bivalvia | IA0092 | 42.7669,-93.2365,,AKm73? | | | *$IA0094 | ||||||
| Hampton(SpringCk) | Franklin | IA | In N part of town in quarry on Spring Creek | invertebrates-brachiopoda,cnidaria-corals(diverse);echinoderms-crinoids;mollusks-bivalvia | IA0094 | 42.7502,-93.2131,,AKm73? | | | $*IA0092 | ||||||
| Ross Township | Franklin | IA | In SW corner s29 | invertebrates(abundant)-brachiopoda,bryozoa,cnidaria-corals;echinoderms-blastoidea;mollusks-bivalvia,gastropoda | IA0095 | 42.8392,-93.2540,,AKm73 | | | $*IA0089 | ||||||
| Sheffield(WestForkTwp) | Franklin | IA | In S17 of West Fork Township | Du | Sheffield | invertebrates-brachiopoda-Camarotoechia,Cleiothyridina,productida-Productus;spiriferida-Spirifer;;(silicified fossils) | IA0096 | 42.8689,-93.1136,,AKm73? | | | $* | ||||
| Bartlett(KaserBrosQry) | Fremont | IA | At Kaser Bros Quarry | PN | Holt | vertebrates-fish-chondrichthyes-chimaera-Agassizodus | IA0097 | 40.8871,-95.7944,,AKm73? | | | $* | ||||
| Beaman(WolfCk?) | Grundy | IA | along Wolf Creek | M | Kinderhook | invertebrates-brachiopoda-Camarotoechia,Dielasma,Rhipidomella,Schellwienella,spiriferida-Spirifer;;cnidaria-corals-rugosa(horncorals)-Zaphrentis;;;mollusks-gastropoda-Loxonema,Straparollus;rostroconchia-Conocardium | IA0098 | 42.2180,-92.8196,,AKm73? | | | *$IA0099 | ||||
| Conrad(WolfCk) | Grundy | IA | along Wolf Creek | M | Kinderhook | invertebrates-brachiopoda-Camarotoechia,Dielasma,Rhipidomella,Schellwienella,spiriferida-Spirifer;;cnidaria-corals-rugosa(horncorals)-Zaphrentis;;;mollusks-gastropoda-Loxonema,Straparollus;rostroconchia-Conocardium | IA0099 | 42.2226,-92.8757,,AKm73? | | | $*IA0098 | ||||
| Stuart | Guthrie | IA | PN | Hertha | vertebrates-fish-chondrichthyes-Petrodus | IA0100 | The original referenced Stewart, Iowa which does not seem to exist | 41.5032,-94.3188,,AKm73? | | | $* | ||||
| Eagle City(IowaRiv) | Hardin | IA | in banks of Iowa River | Ml | Kinderhook, Upper | invertebrates-brachiopoda-Leptaena,productida-Productus;Reticularia,Schellwienella,spiriferida-Spirifer;;bryozoa-fenestellida-Fenestella;Rhombopora;cnidaria-corals-tabulata-Chaetetes;;;mollusks-cephalopoda-orthocerida-Orthoceras;;gastropoda-Orthonychia,Straparollus;;porifera | IA0101 | 42.4716,-93.1457,,AKm73? | | | $* | ||||
| Iowa Falls(PwrPlnt) | Hardin | IA | in old quarry on Iowa River at power plant | invertebrates-brachiopoda-Reticularia,Rhipidomella,Schellwienella,spiriferida-Spirifer;;cnidaria-corals-rugosa(horn_corals)-Zaphrentis;;;echinoderms-blastoidea-Orophocrinus;crinoids-Platycrinus;;mollusks-bivalvia-Aviculopecten;cephalopoda,gastropoda-Bellerophon,Igoceras,Loxonema,Straparollus | IA0103 | 42.5145,-93.2459,,AKm73? | | | $*IA0102 | ||||||
| Iowa Falls(SE-EllsworthStoneQry) | Hardin | IA | SE in old Ellsworth Stone quarry | invertebrates-brachiopoda-Reticularia,Rhipidomella,Schellwienella,spiriferida-Spirifer;;cnidaria-corals-rugosa(horn_corals)-Zaphrentis;;;echinoderms-blastoidea-Orophocrinus;crinoids-Platycrinus;;mollusks-bivalvia-Aviculopecten;cephalopoda,gastropoda-Bellerophon,Igoceras,Loxonema,Straparollus | IA0102 | 42.5145,-93.2459,,AKm73? | | | *$IA0103,IA0104 | ||||||
| Iowa Falls(W-WildCatGlen) | Hardin | IA | to W in Wild Cat Glen | invertebrates-brachiopoda-Reticularia,Rhipidomella,Schellwienella,spiriferida-Spirifer;;cnidaria-corals-rugosa(horn_corals)-Zaphrentis;;;echinoderms-blastoidea-Orophocrinus;crinoids-Platycrinus;;mollusks-bivalvia-Aviculopecten;cephalopoda,gastropoda-Bellerophon,Igoceras,Loxonema,Straparollus | IA0104 | 42.5218,-93.2726,,AKm73? | | | *$IA0102 | ||||||
| Jackson Township(SkunkRiv) | Henry | IA | Sec 4 along small tributary of Skunk River | invertebrates-arthropoda-trilobita-Griffithides | IA0107 | 40.8984,-91.5690,,AKm73? | | | $* | ||||||
| Jackson Township(WebstersHill) | Henry | IA | At Webster's Mill in W part of Section along a tributary of Skunk River{4} | M | Keokuk | - | IA0106 | 40.8716,-91.5348,,AKm73 | | | $* | ||||
| Mount Pleasant | Henry | IA | M | Keokuk | vertebrates-fish(teeth)-chondrichthyes-selachii-holocephali-Sandalodus | IA0108 | 40.9619,-91.5597,,AKm73? | | | $*IA0105 | |||||
| Mt PleasantSSW2-BigCk) | Henry | IA | se1/4s17t71nr6e on side of Big Creek 40.9488 91.5670 2km SSW of Mt Pleasant) | Mu | Pella | invertebrates-arthropoda-trilobita-Griffithides | IA0105 | 40.9488,-91.5670,se1/4s17t71nr6e,AKm72 | | | $*IA0108 | ||||
| Oakland Mills | Henry | IA | Ml | Burlington Limestone | vertebrates-fish-chondrichthyes-chimaera-Deltodus;selachii(sharks)(teeth) | IA0109 | 40.9361,-91.6164,,AKm73? | | | $* | |||||
| Ollie | Henry | IA | {4} | Mu | Pella | invertebrates-arthropoda-trilobita-Griffithides | IA0110 | 41.1981,-92.0922,,AKm73? | | | $* | ||||
| Ottumwa | Henry | IA | {4} | Mu | Pella | invertebrates-arthropoda-trilobita-Griffithides | IA0111 | 41.0017,-92.4297,,AKm73? | | | $* | ||||
| Dakota City(HodgesQry) | Humboldt | IA | Hodges Quarry | M | Gilmore City Limestone | invertebrates-arthropoda-trilobita-Perexigupyge,proetida-Proetides;Richterella | IA0112 | 42.7222,-94.1969,,AKm73? | | | $*IA0113 | ||||
| Humboldt(HodgesQry) | Humboldt | IA | in Hodges Quarry in limestone lenses | M | Gilmore City | invertebrates-arthropoda-crustacea-ostracoda;;brachiopoda,mollusks | IA0113 | 42.7222,-94.1969,,AKm73? | | | $*IA0112 | ||||
| Bellevue(region) | Jackson | IA | N through Dubuque to Minnesota line along Mississippi River | O | St Peter Sandstone,Galena Dolomite,Maquoketa shale | - | IA0114 | 42.9765,-91.1591,,AHh23? | | | $* | ||||
| Maquoketa | Jackson | IA | Casts of fossils | invertebrates-cnidaria-corals-rugosa-Neozaphrentis | IA0115 | 42.0661,-90.6647,,AKm73? | | | $* | ||||||
| Monmouth | Jackson | IA | invertebrates-mollusks-gastropoda-Trochonema | IA0116 | 42.0770,-90.8799,,AKm73? | | | $* | |||||||
| St Donatus(MortCk) | Jackson | IA | Prairie Spring Township along Mort(?) Creek limestone and shale | O | Galena | invertebrates(20 taxa) | IA0117 | Most likely 'Tete des Mortes' Creek which is just S of town | 42.3579,-90.5415,,AKm73 | | | $* | |||
| Tete de Morts Township | Jackson | IA | In soft brown shales along creek near Sec 13-14 boundary | invertebrates(?)(abundant) | IA0118 | 'Tete des Morts' perhaps | 42.3466,-90.4467,,AKm74 | | | $* | |||||
| Kellogg | Jasper | IA | In limestone quarry | M | Keokuk | vertebrates-fish(fins)-chondrichthyes-selachii-holocephali-Physonemus | IA0120 | 41.7142,-92.9083,,AKm73? | | | $*IA0119 | ||||
| Kellogg | Jasper | IA | shark spines to 70cm | M | Keokuk Limestone | vertebrates-fish-chondrichthyes(spines)-selachii-holocephali-Physonemus | IA0119 | 41.7142,-92.9083,,AKm73? | | | $*IA0120 | ||||
| Round Prairie Township(RockCk) | Jefferson | IA | In S bank of Rock Creek ne1/4 ne1/4 s32 | invertebrates-arthropoda-crustacea-ostracoda-Cytherellina;;;brachiopoda,bryozoa-Anisotrypa,fenestellida-Fenestella;;cnidaria-corals;echinoderms(spines_plates)-blastoidea-Pentremites;crinoids(columnals),echinoidea-Archaeocidaris;;mollusks-bivalvia-Allorisma;;;protists,vertebrates-fish(bones);worms-annelida-polychaeta-Spirorbis? | IA0121 | 40.9113,-91.7921,,AKm72 | | | $* | ||||||
| Brandon(area) | Johnson | IA | area exposures | D | Cedar Valley | invertebrates-arthropoda-trilobita-Proteus | IA0122 | 42.3144,-92.0019,,AKm73? | | | *$IA0015,IA0016,IA0017,IA0018,IA0123,IA0255 | ||||
| Brandon(area) | Johnson | IA | area exposures | Dl | Independence Shale(?) | invertebrates-arthropoda-trilobita-Cyphaspis | IA0123 | USGS has the Independence formation as Pleistocene | 42.3144,-92.0019,,AKm73? | | | *$IA0015,IA0016,IA0017,IA0018,IA0019,IA0122,IA0255 | |||
| Cedar Rapids | Johnson | IA | D | Cedar Valley Limestone | invertebrates-echinoderms-blastoidea | IA0124 | 42.0083,-91.6439,,AKm73? | | | $* | |||||
| Coralville | Johnson | IA | D | invertebrates-mollusks | IA0126 | 41.7224,-91.5305,,AKm73? | | | *$IA0125,IA0127,IA0258 | ||||||
| Coralville | Johnson | IA | invertebrates-brachiopoda-Atrypa;bryozoa-Thamniscus;cnidaria-corals-rugosa-Hexagonaria;tabulata-Favosites,Striatopora | IA0125 | 41.7224,-91.5305,,AKm73? | | | *$IA0126,IA0127,IA0258 | |||||||
| Coralville(dam) | Johnson | IA | in gorge S of Dam spillway http://www.hq.usace.army.mil/cepa/pubs/jan02/story18.htm | D | invertebrates(diverse) | IA0127 | 41.7224,-91.5305,,AKm73? | | | *$IA0125,IA0126,IA0258 | |||||
| Devonian Fossil Gorge | Johnson | IA | Below dam in area scoured by floods in 1993 and 2008. No Collecting | D | - | IA0258 | http://www.mvr.usace.army.mil/Missions/Recreation/Coralville-Lake/Recreation/Devonian-Fossil-Gorge/ | 41.7222,-91.5325,,AKm72 | | | *$IA0125,IA0126,IA0127 | ||||
| Elmira(N1) | Johnson | IA | 1 km N | Dm | Davenport | invertebrates-arthropoda-trilobita-Proteus | IA0128 | 41.7348,-91.4282,,AKm73? | | | $* | ||||
| Iowa City | Johnson | IA | In limestones | Dm | Hamilton | invertebrates-arthropoda-trilobita-Asteropyge | IA0129 | 41.6601,-91.5336,,AKm73? | | | *$IA0130,IA0131,KS0084,KS0085 | ||||
| Iowa City | Johnson | IA | Original said Iowa City,KS | D | invertebrates-echinoderms-crinoids-Melocrinites | KS0085 | 41.6616,-91.5295,,AKm73? | | | *$IA0129,IA0130,IA0131,KS0084 | |||||
| Iowa City | Johnson | IA | Original said Iowa City,KS | invertebrates-cnidaria-corals-rugosa-Prismatophyllum;tabulata-Favosites | KS0084 | 41.6616,-91.5295,,AKm73? | | | *$IA0129,IA0130,IA0131,KS0085 | ||||||
| Iowa City(FossilGorge) | Johnson | IA | In limestone exposures downstream from Coralville Dam which were scoured by a major flood in 1993. Abundant, diverse fossils. No Collecting? | D | Little Cedar | invertebrates-arthropoda-trilobita;brachiopoda-Spirifer,(others);bryozoa,cnidaria-corals-rugosa-Hexagonaria;;echinoderms-crinoids;mollusks-cephalopoda;;vertebrates-fish-Dunkleosteus | IA0262 | 101 American Fossil Sites-Dickas | 41.7217,-91.5319,,AKm72 | | | , | |||
| Iowa City(N-TemplinRd) | Johnson | IA | N on Templin road,Red Ball Road | D | Cedar Valley | invertebrates-arthropoda-trilobita-proetida-Proetus | IA0131 | Red ball Rd is 200km NNW near Nora Springs | 41.6727,-91.5407,,AKm73? | | | *$IA0129,IA0130,KS0084,KS0085 | |||
| Iowa City(ParkBridge) | Johnson | IA | N of Park Bridge in abandoned quarry | D | Cedar Valley | invertebrates-arthropoda-trilobita-proetida-Proetus | IA0130 | Both 'Proetus' and 'Proteus' spellings are commonly used -- apparently interchangeably | 41.6735,-91.5326,,AKm73? | | | *$IA0129,IA0131,KS0084,KS0085 | |||
| Johnson County(Area) | Johnson | IA | area stream gravels | invertebrates-cnidaria-corals-tabulata-Favosites(silicified) | IA0132 | 41.6736,-91.5708,,AIi23? | | | $* | ||||||
| Linn Junction | Johnson | IA | in area outcrops | Dm | Wapsipinicon | invertebrates-arthropoda-trilobita-proetida-Proetus | IA0134 | 42.0189,-91.7206,,AKm74? | | | $*IA0133 | ||||
| Linn Junction(rr) | Johnson | IA | along old Chicago,Milwaukee and St Paul RR cut | Dm | Wapsipinicon | invertebrates-arthropoda-trilobita-proetida-Proetus | IA0133 | 42.0189,-91.7206,,AKm73 | | | $*IA0134 | ||||
| Midriver | Johnson? | IA | D | Cedar Valley | invertebrates-arthropoda-trilobita-Cyphaspis | IA0256 | Loc is near Mid River Marina, North Liberty, IA | http://www.archive.org/stream/catalogueoftypes22nite/catalogueoftypes22nite_djvu.txt | 41.8020,-91.6867,,AHh15? | | | $* | |||
| New Buffalo | Johnson | IA | In limestones | Dm | Hamilton | invertebrates-arthropoda-trilobita-Asteropyge | IA0136 | 42.0347,-91.7036,,AKm73 | | | $*IA0135 | ||||
| New Buffalo | Johnson | IA | D | Cedar Valley | vertebrates-fish-sarcopterygii-dipnoi-Dipterus | IA0135 | 42.0347,-91.7036,,AKm73 | | | $*IA0136 | |||||
| Searstown? | Johnson | IA | In limestones | Dm | Hamilton | invertebrates-arthropoda-trilobita-Asteropyge | IA0137 | Searstown seems to have vanished completely, but it seems to have exposed a horizon also exposed at New Buffalo and Iowa City. Location used is arbitrary--a large quarry NW of Iowa City. | 41.6964,-91.5582,,AKm73? | | | $* | |||
| State Quarry | Johnson | IA | In bone bed | Du | State Quarry | vertebrates-fish-ptyctodontida-Ptyctodus | IA0138 | 41.7648,-91.5701,,AKm73? | | | $* | ||||
| Delta(HeimstraQry) | Keokuk | IA | In quarry in a depression in St Louis limestone. Bone bed capped by vertebrate rich limestone. Quarry was owned by Jasper Hiemstra in 1986 | M | St Louis | vertebrates-fish,(tetrapods) | IA0241 | The Heimstra quarry is described as being near Delta, IA in PLSS SW1/4SW1/4S15T15NR13W | http://www.igsb.uiowa.edu/Browse/amphibs/amphibs.htm | 41.3188,-92.3349,,AJm73? | | | $* | ||
| Des Moines Rapids | Keokuk | IA | At Des Moines Rapids in Mississippi River | M | Keokuk | vertebrates-fish(teeth)-chondrichthyes-chimaera-Deltodus;selachii-Cladodus,holocephali-Cochliodus,Sandalodus | IA0139 | 40.3999,-91.3637,,AKm73? | | | *$IL0059,IL0060 | ||||
| Keokuk | Keokuk | IA | At base of Mississippi River cliffs N of dam and lock complex--marine invertebrates with bone bed at base of formation. Same as IA0139 | MI | Keokuk | invertebrates,vertebrates? | IA0265,IA0267 | Iowa's Geological Past:ThreeBillionYearsofEarthHistory-W Anderson | 40.3947,-91.3761,,AKm73 | | | , | |||
| Keswick | Keokuk | IA | In limestone quarry | M | Keokuk | vertebrates-fish(fins)-chondrichthyes-selachii-holocephali-Physonemus | IA0141 | 41.4525,-92.2392,,AKm73? | | | $*IA0140 | ||||
| Keswick | Keokuk | IA | M | Keokuk Limestone | vertebrates-fish-chondrichthyes-chimaera-Deltodus;petalodontae-Chomatodus;selachii(sharks)(teeth)-Cladodus,holocephali-Helodus,Physonemus(spines) | IA0140 | 41.4525,-92.2392,,AKm73? | | | $*IA0141 | |||||
| Ollie(NW2) | Keokuk | IA | 2 km NW | Mu | Pella | invertebrates-arthropoda-trilobita-Griffithides | IA0142 | 41.2164,-92.1063,,AKm73? | | | $* | ||||
| South English | Keokuk | IA | M | vertebrates-fish-chondrichthyes-bradyodonti,selachii(sharks)-holocephali-Sandalodus(teeth) | IA0143 | 41.4522,-92.0903,,AKm73? | | | $* | ||||||
| - | Lee | IA | M | Keokuk Limestone | vertebrates-fish-chondrichthyes(teeth)-petalodontae-Ctenoptychius;selachii(sharks) | IA0155 | 40.6420,-91.4914,location:Wilson Lake.IA,AIi14 | | | $* | |||||
| Belfast | Lee | IA | in River Bluffs below town | M | St Louis | invertebrates-brachiopoda-Orbiculoidea;cnidaria-conularia-Conularia;corals-rugosa-Lithostrotion | IA0147 | Belfast was located at 40.5425,-91.6185 | 40.5405,-91.6180,,AKm73? | | | $*IA0144 | |||
| Belfast(NE2-MonkCk) | Lee | IA | 2 km NE along E branch of Monk Creek in se1/4s36t67nr72 (The PLSS coordinates are clearly wrong. Belfast no longer exists, but there is a quarry at 40.5465 91.6227 in roughly the historical location of Belfast) | invertebrates-cnidaria-corals(silicified)-rugosa-Lithostrotion;tabulata-Syringopora | IA0144 | Belfast was located at 40.5425,-91.6185 | 40.5465,-91.6227, se1/4s36t67nr72,AKm72 | | | $*IA0147 | |||||
| Belfast(W4) | Lee | IA | 4 km W | M | St Louis | invertebrates-brachiopoda-Orbiculoidea;cnidaria-conularia-Conularia;corals-rugosa-Lithostrotion | IA0145 | Belfast was located at 40.5425,-91.6185 | 40.5576,-91.6861,,AKm73? | | | $*IA0146 | |||
| Belfast(W5) | Lee | IA | 4.5 km W in stream bank at sharp bend | M | St Louis | invertebrates-brachiopoda-Girtyella,spiriferida-Spirifer;;mollusks-bivalvia-Aviculopecten,Modiomorpha,Myalina;gastropoda-Bellerophon;rostroconchia-Conocardium | IA0146 | Belfast was located at 40.5425,-91.6185 | 40.5576,-91.6861,,AKm73? | | | $*IA0145 | |||
| Croton | Lee | IA | along banks of Creek emptying into Des Moines River | Mu | Pella Limestone | invertebrates-arthropoda-trilobita-Phillipsia;;brachiopoda-Composita,Girtyella,productida-Productus;Pugnoides,spiriferida-Spirifer;;mollusks-bivalvia-Allorisma,Edmondia,Schizodus | IA0148 | 40.5903,-91.6906,,AKm73? | | | $* | ||||
| Denmark(NW4) | Lee | IA | 4 km NW,In a bluff | M | Keokuk | invertebrates-brachiopoda-Cleiothyridina,Orthothetes,productida-Productus;Pustula,Reticularia,spiriferida-Spirifer;Tetracamera;cnidaria-conularia-Conularia | IA0149 | 40.7652,-91.3620,,AGl63? | | | $* | ||||
| Keokuk | Lee | IA | geodes | M | - | IA0150 | 40.4117,-91.3800,,AKm73? | | | $* | |||||
| Keokuk(GalandStn) | Lee | IA | at Galland Station | invertebrates-arthropoda-trilobita-Griffithides | IA0153 | Assumed this is a reference to Galland, IA about 10km N of Keokuk | 40.5023,-91.3774,,AKm73? | | | $* | |||||
| Keokuk(SoapCk) | Lee | IA | along Soap Creek full exposures of Keokuk Limestone beds | M | Keokuk | invertebrates-brachiopoda,bryozoa,cnidaria-corals;echinoderms-crinoids,(others);mollusks-bivalvia,gastropoda;;vertebrates-fish(teeth)-chondrichthyes-selachii-holocephali-Sandalodus | IA0152 | 40.4049,-91.4180,,AKm73? | | | *$IA0154 | ||||
| Keokuk(SoapCk) | Lee | IA | in quarry in Mississippi river bank near mouth of Soap Creek full exposures of Keokuk Limestone beds | M | Keokuk | invertebrates-brachiopoda,bryozoa,cnidaria-corals;echinoderms-crinoids,(others);mollusks-bivalvia,gastropoda;;vertebrates-fish(teeth)-chondrichthyes-selachii-holocephali-Sandalodus | IA0154 | 40.3890,-91.3934,,AKm73? | | | $*IA0152 | ||||
| Montrose | Lee | IA | Montrose | invertebrates-arthropoda-trilobita-Griffithides | IA0151 | Montrose is about 10km N of Keokuk. Original entry was for Keokum and cited Montrose | 40.5315,-91.4145,,AGl63? | | | $* | |||||
| Linn County | Linn | IA | Area streambeds | invertebrates-cnidaria-corals(silicified) | IA0156 | 42.0667,-91.6000,,AHh14? | | | $*IA0157 | ||||||
| Linn County(area) | Linn | IA | In area exposures | S | Niagaran | invertebrates-arthropoda-trilobita-Encrinurus | IA0157 | 42.0667,-91.6000,,AHh14? | | | $*IA0156 | ||||
| Linwood | Linn | IA | Local quarries and a creekbed between Linwood and Buffalo | invertebrates-brachiopoda-Composita,Fascifera,Gypidula,Hebertella,Merista,Spinocyrtia;cnidaria-corals-rugosa-Hexagonaria;;;echinoderms-crinoids(plates)-Onychocrinus;;hyolitha-Hyolithes(?);mollusks(?),porifera(sponges) | IA0158 | invertebrates-hyolitha-Hyolithes is a Cambrian fossil, unlikely in an obviously younger assemblege | 41.4645,-90.6923,,AKm73? | | | *$IA0215,IA0216,IA0246 | |||||
| Burlington | Louisa | IA | In road cut | invertebrates-cnidaria-corals(horn_corals) | IA0160 | 40.8056,-91.1017,,AKm73? | | | *$IA0052,IA0053,IA0159,IA0161,IA0162 | ||||||
| Burlington | Louisa | IA | N along base of Mississippi River bluff | D | Maple Mill | invertebrates-brachiopoda,echinoderms-crinoids(columnals);mollusks-bivalvia,cephalopoda-oncocerida-Gomphoceras;;gastropoda;porifera(sponges);vertebrates-fish(diverse) | IA0161 | 40.8056,-91.1017,,AKm73? | | | *$IA0052,IA0053,IA0159,IA0160,IA0162 | ||||
| Burlington | Louisa | IA | Rare crinoids-calices in crinoidal limestone | Ml | Burlington Limestone | invertebrates-echinoderms-crinoids(calices) | IA0162 | 40.8056,-91.1017,,AKm73? | | | *$IA0052,IA0053,IA0159,IA0160,IA0161,IA0237 | ||||
| Burlington | Louisa | IA | M | Waverly (IA)? | vertebrates-fish-chondrichthyes-selachii-Ctenacanthus | IA0159 | 40.8056,-91.1017,,AKm73? | | | *$IA0052,IA0053,IA0160,IA0161,IA0162 | |||||
| Doyle(LongCk) | Louisa | IA | In area Limestone deposits in Long Creek area | invertebrates-brachiopoda-Chonopectus,Orthothetes,productida-Productus;Rhipidomella;cnidaria-conularia-Conularia;;mollusks-bivalvia-Aviculopecten,Edmondia,Macrodon;cephalopoda-orthocerida-Orthoceras | IA0164 | 40.9047,-93.9094,,AKm73? | | | $* | ||||||
| Elrick Junction(SE2) | Louisa | IA | 2 km SE in creek bed and banks | invertebrates-brachiopoda-Athyris,Chonetes,Chonopectus,Orthothetes,Paraphorhynchus,spiriferida-Spirifer;;mollusks(abundant)-bivalvia-Edmondia;;;vertebrates-fish-chondrichthyes-selachii-holocephali-Helodus(teeth) | IA0163 | 41.0791,-91.1145,,AKm73 | | | *$IA0169,IA0170 | ||||||
| Louisa County(CountyQry) | Louisa | IA | In County Quarry in s23t73nr3w Hampton age fossils 41.1096 91.1687 (6.5km ENE of Morning Sun same as Morning Sun) | M | North Hill Oolite | invertebrates-brachiopoda-Camarophorella,Leptaena,productida-Productus;Reticularia,spiriferida-Spirifer;;mollusks-gastropoda-Bucanopsis | IA0165 | 41.1096,-91.1687,s23t73nr3w,AKm73 | | | $*IA0167 | ||||
| Morning Sun | Louisa | IA | Rare crinoids-calices in crinoidal limestone | Ml | Burlington Limestone | invertebrates-echinoderms-crinoids(calices)(fragments) | IA0168 | 41.0961,-91.2575,,AKm73? | | | $*IA0166 | ||||
| Morning Sun | Louisa | IA | M | Keokuk Limestone | invertebrates-echinoderms-crinoids | IA0166 | 41.0961,-91.2575,,AKm73? | | | $*IA0168 | |||||
| Morning Sun(ENE6) | Louisa | IA | N and E in bluffs and creeks 41.1096 91.1687 (6.5km ENE of Morning Sun same as Morning Sun},brachiopods are casts | invertebrates-brachiopoda-Athyris,productida-Productella;spiriferida-Spirifer;;cnidaria-corals-rugosa-Zaphrentis;;;mollusks-cephalopoda-orthocerida-Orthoceras;;;;vertebrates-fish-chondrichthyes-selachii-holocephali-Helodus | IA0167 | 41.1096,-91.1687,s23t73nr3w,AKm73 | | | $*IA0165 | ||||||
| Smith Creek | Louisa | IA | D | Maple Mill | invertebrates-brachiopoda,echinoderms-crinoids(columnals);mollusks-bivalvia,cephalopoda-oncocerida-Gomphoceras;;gastropoda;porifera(sponges);vertebrates-fish(diverse) | IA0169 | 41.0917,-91.1171,,AKm73? | | | *$IA0163,IA0170 | |||||
| Smith Creek(ElrickJct-S1) | Louisa | IA | W of center of sw1/4s29t73nr2w 41.0917 91.1171 (About 1km S of Elrick Junction) | M | Kinderhook | invertebrates-arthropoda-crustacea;brachiopoda,bryozoa,cnidaria-corals;echinoderms-crinoids(columnals);mollusks-bivalvia,cephalopoda;porifera(sponges);plants,vertebrates-fish;worms-annelida | IA0170 | 41.0917,-91.1171,sw1/4s29t73nr2w,AKm72 | | | *$IA0163,IA0169 | ||||
| St Charles | Madison | IA | PN | Hertha Limestone | invertebrates-conodonts;vertebrates-fish-chondrichthyes-Petrodus(dermal ossicles) | IA0172 | 41.2971,-93.8042,,AKm73 | | | $*IA0171 | |||||
| St Charles | Madison | IA | PN | Hertha | vertebrates-fish-chondrichthyes-Petrodus | IA0171 | 41.2971,-93.8042,,AKm73 | | | $*IA0172 | |||||
| Winterset | Madison | IA | vertebrates-fish-chondrichthyes-chimaera-Deltodus;selachii-holocephali-Sandalodus | IA0173 | 41.3375,-94.0140,,AKm73? | | | $*IA0176 | |||||||
| Winterset(DevilsBackbone) | Madison | IA | at Devil's Backbone | PN | Hushpuckney Shale | invertebrates-mollusks-bivalvia-Streblochondria | IA0176 | There is a Devil's Backbone in Iowa, but it is in a region of Silurian rocks in Delaware county in the NE of the state. | 41.3375,-94.0140,,AKm73? | | | $*IA0173 | |||
| Winterset(SW) | Madison | IA | SW in ravine | PN | Bethany Falls Limestone | invertebrates-brachiopoda-Chonetes,Composita,Orthothetes;echinoderms-crinoids(columnals);mollusks-bivalvia-Myalina | IA0175 | 41.3174,-94.0285,,AKm73? | | | $* | ||||
| Winterset(W8-MiddleRiv) | Madison | IA | 8 km W in ravine on N side of Middle River | PN | Cherryvale Shale | - | IA0174 | 41.3064,-94.1089,,AKm73? | | | $* | ||||
| Freeport | Mahaska | IA | plants-pteridophyta-equisetales-Calamites | IA0177 | 43.3022,-91.7434,,AKm73? | | | $*IA0178 | |||||||
| Fremont | Mahaska | IA | {4} | Mu | Pella | invertebrates-arthropoda-trilobita-Griffithides | IA0178 | Original says Henry County | 43.3022,-91.7434,,AKm73? | | | $*IA0177 | |||
| Fremont(N5) | Mahaska | IA | 5 km N | Mu | Pella | invertebrates-arthropoda-trilobita-Griffithides | IA0179 | 43.3307,-91.7369,,AKm73? | | | $* | ||||
| New Sharon | Mahaska | IA | D | invertebrates-brachiopoda-Mucrospirifer;cnidaria-corals;mollusks-bivalvia | IA0180 | 41.4700,-92.6511,,AKm73? | | | $* | ||||||
| Oskaloosa(SkunkRiv) | Mahaska | IA | E of US63 in abandoned quarry on Skunk River | invertebrates-arthropoda-trilobita;cnidaria-corals;echinoderms-blastoidea(small) | IA0181 | 41.3604,-92.6314,,AKm73? | | | $* | ||||||
| Harvey | Marion | IA | Mississippian Pella beds | M | St Louis Limestone | invertebrates-echinoderms-edrioasteroidea-Lepidodiscus | IA0182 | 41.3139,-92.9225,,AKm73? | | | $*IA0183 | ||||
| Harvey | Marion | IA | Pella beds in abandoned quarry | M | St Louis | ? | IA0183 | 41.3095,-92.9324,,AKm73? | | | $*IA0182 | ||||
| Pella(SW1) | Marion | IA | 1 km SW in abandoned quarry in overlying shales | Mu | Pella | invertebrates-arthropoda-trilobita;brachiopoda,cnidaria-corals;echinoderms-blastoidea;mollusks-bivalvia | IA0184 | 41.3921,-92.9304,,AKm73? | | | $* | ||||
| Tracy(area) | Marion | IA | In area quarries in marly members of Pella formations-typical Pella fossils | Mu | Pella | - | IA0185 | 41.2764,-92.8753,,AKm73? | | | $* | ||||
| Le Grand | Marshall | IA | In area Limestone quarries | M | invertebrates-echinoderms-crinoids-Megistocrinus | IA0190 | 42.0357,-92.7859,,AKm73? | | | *$IA0186,IA0187,IA0188,IA0189,IA0191,IA0192,IA0193 | |||||
| Le Grand | Marshall | IA | M | Kinderhook | vertebrates-fish(teeth)-chondrichthyes-selachii-holocephali-Helodus | IA0192 | 42.0357,-92.7859,,AKm73? | | | *$IA0186,IA0187,IA0188,IA0189,IA0190,IA0191,IA0193 | |||||
| Le Grand | Marshall | IA | M | invertebrates-echinoderms-blastoidea,crinoids | IA0186 | 42.0357,-92.7859,,AKm73? | | | *$IA0187,IA0188,IA0189,IA0190,IA0191,IA0192,IA0193 | ||||||
| Le Grand(N2) | Marshall | IA | 2 km N of IA30 in quarries-good,but uncommon crinoids | M | Hampton | invertebrates-echinoderms-crinoids | IA0188 | 42.0357,-92.7859,,AKm73? | | | *$IA0186,IA0187,IA0189,IA0190,IA0191,IA0192,IA0193 | ||||
| Le Grand(N2) | Marshall | IA | In Mississippian Hampton (Kinderhook) Formation 2 km N in Le Grand quarries. Excellent crinoids but difficult to collect. Museum quality slabs. 41 species found. Apparently these are from specific individual beds uncovered in 1858,1874-1890,1931,1933 | M | Kinderhook | invertebrates-echinoderms-crinoids(41 species)-Cactocrinus,Platycrinites,Rhodocrinites | IA0189 | 42.0357,-92.7859,,AKm73? | | | *$IA0186,IA0187,IA0188,IA0190,IA0191,IA0192,IA0193 | ||||
| Le Grand(N2) | Marshall | IA | in quarries 2 km N of IA30 | M | Hampton | invertebrates-echinoderms-crinoids | IA0191 | 42.0357,-92.7859,,AKm73? | | | *$IA0186,IA0187,IA0188,IA0189,IA0190,IA0192,IA0193 | ||||
| Le Grand(N2-IowaRiv) | Marshall | IA | 2 km N along Iowa River in massive fossiliferous blue siltstone ledges | D-M | English River | invertebrates-brachiopoda,mollusks-bivalvia,cephalopoda,gastropoda-pteropoda | IA0187 | 42.0350,-92.7809,,AKm73? | | | *$IA0186,IA0188,IA0189,IA0190,IA0191,IA0192,IA0193 | ||||
| Marshalltown(E15-LeGarande?) | Marshall | IA | 14.5 km E in quarries described by Meek and Worthen-nests of perfectly preserved crinoids. Worked out by mid 20th Century | invertebrates-echinoderms-crinoids | IA0193 | This is presumably the Le Grand quarries | 42.0357,-92.7859,,AKm73? | | | *$IA0186,IA0187,IA0188,IA0189,IA0190,IA0191,IA0192 | |||||
| Stennett | Montgomery | IA | 1 km up the ravine in creek bed | PN | Severy Shale | invertebrates(?)(abundant) | IA0194 | 41.0921,-95.1825,,AKm73? | | | $*IA0195 | ||||
| Stennett | Montgomery | IA | near mouth of ravine | PN | Severy Shale | invertebrates(?)(abundant) | IA0195 | 41.0955,-95.1915,,AKm73 | | | $*IA0194 | ||||
| Moscow(CedarRiv) | Muscatine | IA | Quarry on Cedar River | invertebrates-cnidaria-corals-rugosa-Amplexus,Cystiphyllum,Heterophrentis | IA0196 | 41.5774,-91.1100,,AKm73? | | | $* | ||||||
| Muscatine | Muscatine | IA | PN | plants-lycopodiophyta-Lepidophloios | IA0198 | 41.4243,-91.0474,,AKm73? | | | *$IA0197,IA0199 | ||||||
| Muscatine | Muscatine | IA | ichnofossils-ichno_misc-Taonurus(Talonurus[?]);;invertebrates-cnidaria-corals-rugosa-Eridophyllum;tabulata-Halysites | IA0197 | No citations for 'Talonurus' 050526 | 41.4243,-91.0474,,AKm73? | | | *$IA0198,IA0199 | ||||||
| Muscatine(MississippiRiv) | Muscatine | IA | In lower part of Mississippi River bluffs,Poorly preserved fossils in hard green dolomitic shale | M | Sweetland Creek | invertebrates-arthropoda-(Selenocaris?);brachiopoda-Lingula;mollusks-cephalopoda-Spathiocaris;gastropoda;;vertebrates-fish(teeth)-arthrodira-Rhynchodus;chondrichthyes-selachii(sharks)-Ptychodus;Synthetodus | IA0199 | No citations for 'Selenocaris' 050525 | 41.4284,-91.0300,,AKm73 | | | *$IA0197,IA0198 | |||
| Muscatine(WildcatDenStPrk) | Muscatine | IA | At Wildcat Den State Park | D | invertebrates-brachiopoda,cnidaria-corals;echinoderms-crinoids | IA0257 | http://www.trails.com/tcatalog_trail.aspx?trailid=HGM082-011 | 41.4705,-90.8837,,AKm72 | | | $* | ||||
| Wyoming Hill(Muscatine-E9) | Muscatine | IA | 8-9.6km E of Muscatine in long RR cut near Hwy 22 | plants-angiosperms-Lepidophyllum;gymnospermopsida-Alethopteris;lycopodiophyta-Lepidodendron;pteridophyta-Annularia,cycadopsida-Trigonocarpus;equisetales-Calamostachys | IA0200 | 41.4354,-90.9504,,AKm72 | | | $* | ||||||
| Norwich(NE4) | Page | IA | 4 km NE | PNu | Tarkio | invertebrates-arthropoda-trilobita-Phillipsia | IA0201 | 40.7595,-95.2201,,AKm73? | | | $* | ||||
| Emmetsburg | Palo Alto | IA | In stream gravels | plants(petrified wood) | IA0202 | 43.1128,-94.6828,,AKm73? | | | $* | ||||||
| Graettinger | Palo Alto | IA | In stream gravels | plants(petrified wood) | IA0203 | 43.2378,-94.7511,,AKm73? | | | $* | ||||||
| Big Sioux River | Plymouth? | IA | fossils. Take I29 north to the junction | K | Greenhorn | invertebrates-mollusks | IA0207 | The Big Sioux River is the boundary between Iowa and SD. Flows next to several counties. Plymouth Cy is a guess based on ref to I29 | 42.4951,-96.4770,,AKm74? | | | $* | |||
| Cherokee(N) | Plymouth | IA | N in gravel pit | PE | vertebrates-mammals-proboscidea-Elephas(teeth)(bones) | IA0204 | 42.7472,-95.5556,,AKm73? | | | $* | |||||
| LeMars | Plymouth | IA | NE,in gravel pits-water worn fossils | PE | vertebrates-mammals(bones)(teeth)(horns)-(deer),perissodactyla-equidae(horses);proboscidea(elephants),(others) | IA0205 | 42.8095,-96.1603,,AKm73 | | | $* | |||||
| Pierson Creek Valley(W) | Plymouth | IA | in pit to W | PE | invertebrates-mollusks-gastropoda;;vertebrates-mammals-artiodactyla-Bison;perissodactyla-equidae(horses);proboscidea(elephants) | IA0206 | 43.2462,-93.1230,,AKm74 | | | $* | |||||
| Gilmore City | Pocahontas | IA | Fossiliferous Gray Limestone below. Fossiliferous white Kinderhook Limestone is found on quarry floors 1 km NW-Fossils found in nests | M | Gilmore City | invertebrates-brachiopoda,bryozoa,echinoderms-crinoids-Aorocrinus,Cribanocrinus,Culmicrinus,Dichocrinus,Eretmocrinus,Eutaxocrinus,Gilmocrinus,Goniocrinus,Hypselocrinus,Lasiocrinus,Linocrinus,Paracosmetocrinus,Platycrinus,Rhodocrinites;edrioasteroidea | IA0211 | 42.7402,-94.4514,,AKm73 | | | *$IA0208,IA0209,IA0210 | ||||
| Gilmore City | Pocahontas | IA | Museum quality specimens | M | Kinderhook | invertebrates-echinoderms-crinoids(24 species) | IA0208 | 42.7402,-94.4514,,AKm73 | | | *$IA0209,IA0210,IA0211 | ||||
| Gilmore City(NW1) | Pocahontas | IA | 1 km NW in quarry | invertebrates-brachiopoda,bryozoa,echinoderms-crinoids | IA0209 | 42.7402,-94.4514,,AKm73 | | | *$IA0208,IA0210,IA0211 | ||||||
| Gilmore City(NW2-GilmorePortlanCementCo) | Pocahontas | IA | 2 km NW in Gilmore Portland Cement Co quarry | invertebrates-brachiopoda,cnidaria-corals | IA0210 | 42.7402,-94.4514,,AKm73 | | | *$IA0208,IA0209,IA0211 | ||||||
| Des Moines(area) | Polk | IA | area exposures of shaley Limestone | PN | Cherokee | invertebrates-arthropoda-trilobita-Griffithides | IA0212 | 41.6006,-93.6089,,AKm73? | | | $*IA0213 | ||||
| Des Moines(area) | Polk | IA | in area exposures | PN | Henrietta | invertebrates-arthropoda-trilobita-Griffithides | IA0213 | 41.6006,-93.6089,,AKm73? | | | $*IA0212 | ||||
| Grinnell(E) | Poweshiek | IA | E in abandoned quarry | M | invertebrates-brachiopoda;vertebrates | IA0214 | 41.7422,-92.7228,,AKm73? | | | $* | |||||
| Buffalo | Scott | IA | Du | Cedar Valley Limestone | ichnofossils-feeding_trace-Spirophyton | IA0246 | http://www.archive.org/stream/typefossilmiscel371forn/typefossilmiscel371forn_djvu.txt | 41.4564,-90.7235,,AKm73 | | | *$IA0158,IA0215,IA0216 | ||||
| Buffalo(DeweyCementCoQry) | Scott | IA | Dewey Cement Co Quarry | D | Cedar Valley | vertebrates-fish-ptyctodontida-Gamphacanthus | IA0215 | 41.4608,-90.6999,,AKm73? | | | *$IA0158,IA0216,IA0246 | ||||
| Buffalo(E) | Scott | IA | E on Hwy22 in quarry | D | Cedar Valley | invertebrates-arthropoda-trilobita;echinoderms-blastoidea,crinoids | IA0216 | 41.4608,-90.6999,,AKm73 | | | *$IA0158,IA0215,IA0246 | ||||
| Davenport | Scott | IA | invertebrates-brachiopoda-Gypidula | IA0217 | 41.5236,-90.5775,,AKm73 | | | *$IA0218,IL0147 | |||||||
| Davenport(area) | Scott | IA | in area exposures | Dm | Davenport, Upper | invertebrates-arthropoda-trilobita-Proteus | IA0218 | 41.5236,-90.5775,,AKm73 | | | *$IA0217,IL0147 | ||||
| Butlerville(IowaRiv) | Tama | IA | In exposures along Iowa River | D-M | English River | invertebrates(diverse) | IA0219 | 42.0061,-92.7300,,AKm73 | | | *$IA0220,IA0221 | ||||
| Indian Village Township(Sec7) | Tama | IA | se1/4 s7 in E side of hill -Devils Anvil | invertebrates-brachiopoda-Chonetes,Orthothetes,productida-Productus;spiriferida-Spirifer;;cnidaria-corals-rugosa(horn_corals)-Zaphrentis;;;mollusks-gastropoda-Straparollus | IA0221 | 42.0192,-92.7483,,AKm73 | | | *$IA0219,IA0220 | ||||||
| Indian Village Township(Sec8) | Tama | IA | S8 | M | Kinderhook | invertebrates-brachiopoda-Chonetes,Orthothetes,productida-Productus;Rhynchonella,spiriferida-Spirifer;;echinoderms-crinoids(fragments);mollusks-gastropoda-Straparollus;;,;vertebrates-fish(remains) | IA0220 | 42.0146,-92.7291,,AKm73 | | | *$IA0219,IA0221 | ||||
| Bentonsport(area) | Van Buren | IA | in area exposures | M | Keokuk | - | IA0222 | 40.7256,-91.8536,,AKm73 | | | $* | ||||
| Ottumwa(NarrowsBranch) | Wapello | IA | On Harrows Branch 400 meters upstream from 2nd Street | invertebrates-brachiopoda,bryozoa,cnidaria-corals;echinoderms-crinoids(columnals);mollusks-bivalvia | IA0223 | 41.0350,-92.4254,,AKm73 | | | $* | ||||||
| Kalona | Washington | IA | D | Maple Mill | incertidae-Gluteus | IA0224 | 41.4831,-91.7058,,AKm73 | | | $* | |||||
| Kalona | Washington | IA | D | Maple Mill | invertebrates-conodonts;vertebrates-fish(microscopic teeth) | IA0261 | http://www.rhyniechert.com/maplemillsharks.html | 41.4831,-91.7060,,AKm74 | | | , | ||||
| Kalona | Washington | IA | M | Prospect Hill | invertebrates-conodonts;vertebrates-fish(microscopic teeth) | IA0260 | http://www.rhyniechert.com/prospecthillsharks.html | 41.4831,-91.7060,,AKm74 | | | , | ||||
| Maple Mill(EnglishRiv) | Washington | IA | Along English River | D | Maple Mill Shale | incertidae-Gluteus | IA0242 | Location is the abandoned Maple Mill bridge over the English River on Fir Ave | http://www.archive.org/stream/typefossilmiscel371forn/typefossilmiscel371forn_djvu.txt | 41.5037,-91.8486,,AKm73 | | | *$IA0225,IA0226,IA0227 | ||
| Washington County | Washington | IA | area exposures Brownish,dolomitic Limestones | D | Maple Mill | ichnofossils-(burrows),(worms);invertebrates-arthropoda-trilobita-Phillipsia?;;brachiopoda,mollusks-bivalvia,cephalopoda-orthocerida-Orthoceras;;gastropoda,scaphopoda-Dentalium | IA0226 | 41.5037,-91.8486,,AJj14 | | | *$IA0225,IA0227,IA0242 | ||||
| Wassonville Mill | Washington | IA | 2 km E of Maple Mill at Wassonville Mill (original says W) | invertebrates-brachiopoda,mollusks-bivalvia,cephalopoda-orthocerida-Orthoceras;;gastropoda-Bellerophon;scaphopoda-Dentalium | IA0225 | Wassonville was a 19th century village N of Wellman, IA | 41.4865,-91.8296,,AKm73 | | | *$IA0226,IA0227,IA0242 | |||||
| Wellman(area) | Washington | IA | in area exposures of Wassonville Member of Kinderhook Fm in white chert,Some specimens apparently have original shell coloring | M | Kinderhook | invertebrates-brachiopoda(35_species),mollusks-bivalvia(9_species),gastropoda(24_species) | IA0227 | 41.4642,-91.8381,,AKk43 | | | *$IA0225,IA0226,IA0242 | ||||
| Fort Atkinson | Winneshiek | IA | area Limestone exposures | invertebrates(abundant)-brachiopoda-Lindstroemella | IA0228 | 43.1433,-91.9325,,AKm44 | | | $* | ||||||
| Madison Township(S19) | Winneshiek | IA | SE1/4 NW1/4 S19 | O | Maquoketa | invertebrates-arthropoda-trilobita-Isotelus | IA0230 | Unable to confirm a Nordness Formation. It's apparently a shale laying below the Maquoketa formation. The expected sequence in Winneshiek County is Dubuque member of the Galena formation capped by the Elgin member of the Maquoketa | 43.2872,-91.9611,,AKm73? | | | $*IA0229 | |||
| Madison Township(Sec19) | Winneshiek | IA | 1 km E of SE1/4 NW1/4 S19 | O | Elgin | invertebrates-arthropoda-trilobita-Isotelus | IA0229 | 43.2850,-91.9326,,AKm73? | | | $*IA0230 | ||||
| Orleans Township(S17-road cut) | Winneshiek | IA | SE1/4 S17 in road cuts on E,W road in highly fossiliferous Limestone | invertebrates-arthropoda-trilobita(silicified);graptolites | IA0231 | 43.3929,-92.0543,,AKm73 | | | $* | ||||||
| Ossian | Winneshiek | IA | O | Maquoketa | invertebrates-arthropoda-trilobita-Calymene | IA0232 | 43.1455,-91.7631,,AKm73? | | | $*IA0233 | |||||
| Ossian(SW1) | Winneshiek | IA | 1 km SW in area quarries | invertebrates-brachiopoda-Lindstroemella | IA0233 | 43.1455,-91.7631,,AKm73? | | | $*IA0232 | ||||||
| Springfield Township(Sec23-24) | Winneshiek | IA | road cuts along road from N end S23 to N end S24 | O | Maquoketa? | invertebrates-brachiopoda-Glyptorthis | IA0234 | 43.2126,-91.7373,,AKm73? | | | $* | ||||
| Sioux City(Riverside) | Woodbury | IA | W part of City in Riverside area,Casts of mollusks in the Dakota formation and the underlying sandstone | K | Dakota | invertebrates-mollusks-bivalvia-Cardium,Corbicula,Inoceramus,Mactra,Polymesoda(?),Protocardia,Trigonarca;gastropoda-Margarita,Turritella;;;plants(leaves)(fragments)(cones),protists-forams;vertebrates-fish(scales)(teeth)(spines) | IA0235 | Cyrene is probably a misspelling of Cyrena=Polydmesoda synonym for Corbicula | 42.4994,-96.4387,,AKm73? | | | $* |
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