US And Canadian Fossil Sites -- Data for IOWA

Version 0810 current as of OCT 2008.

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LocationCountyState/ProvinceDirections,NotesAgeFormationFossilsCommentsReferenceLat-Long
North Central IA-IAin regional exposuresDevonianstromatoporoidsIA0001|,
CrescentAdairIAIn quarryPennsylvanianStarkFish bonesIA0002|,
GreenfieldAdairIAIn quarryPennsylvanianStarkFish-AgassizodusIA0003|,
Harrison TownshipAdairIAin Sec 27 in ravine on hillside.fish fragments,crinoid stems,bryozoa,brachiopodsIA0004|,
LansingAllamakeeIA1 km SCambrian UpperEau ClaireSaratogiaIA0005|,
LansingAllamakeeIA5 km W on hillside 3 meters above road on N sideCambrian UpperSt LawrenceDikelocephalusIA0006|,
LansingAllamakeeIAat Fire-Bell HillCambrian UpperSt LawrenceIllaenurusIA0007|,
EldoradoBentonIAOrdovicianMaquoketaTrilobites-AnataphrusIA0008|,
WaterlooBlack HawkIAMississippianKinderhookCrinoidsIA0009|,
WaterlooBlack HawkIAMississippianKinderhookCrinoidsIA0010|,
WaterlooBlack HawkIAPints Quarry,InDevonianCedar Valley LimestoneArthrodire fish - Macropetalichthys,Rhynchodus,PtychodusIA0011|,
BoonsboroBooneIApelecypod EdmondiaIA0012|,
MadridBooneIAPennsylvanianLabettemollusks Pteria,Dunbarella,Edestid shark spines,sharks ListracanthusIA0013|,
WaverlyBremerIAin limestoneDevonianHamiltonfish-Ptyctodus,RhynchodusIA0014|,
BrandonBuchananIAE along Lime Creek in Cemetery in Limestonecrinoid fragmentsIA0015|,
BrandonBuchananIASE IN interurban RR cuts in LimestoneDevonianCedar Valleycrinoid fragmentsIA0016|,
BrandonBuchananIAalong Lime Creek E of Cemetery in abandoned and active quarries.Atrypa,edrioasteroids -AgelacrinitesIA0017|,
BrandonBuchananIAon Cedar River SW of Brandonbrachiopods DouvillinaIA0018|,
LittletonBuchananIAbelow Littleton dam on both sides of Wapsipinicon RiverDevonianCedar ValleyHexagonaria,cephalopods,Favosites,Cryptophyllum,brachiopods - Stropheodonta,Atrypa,Spirifer; crinoid stems,bryozoaIA0019|,
LewisCassIAin banks of Nishnabotna River accessible on abandoned road from Cold Springs State ParkPennsylvanianOreadfusulinids,a few shark teeth,brachiopods,bryozoa,fusulinidsIA0020|,
ClarenceCedarIASilurianNiagara Falls dolomitetrilobites - Metopolichas,CheirurusIA0021|,
-Cerro GordoIADevonianbrachiopods -SchizophoriaIA0026|,
Bird HillCerro GordoIA1.6km W on B47Devonian UpperHackberry (IA)Corals,Brachiopods - Atrypa,Theodossia,Spirifer,Productella,Productella,Cyrtospirifer,Tenticospirifer. Stromatoporoid -IdiostromaIA0022|,
HackberryCerro GordoIA5 km W at Bird Hill?IA0023|,
Nora SpringsCerro GordoIA'Hackberry Fauna' exposures at Claybank Forest ParkDevonianDevonian Fossils presumably similar to those at Rockford,IAIA0024|,
Portland TownshipCerro GordoIAnw1/4 sw1/4 s31trilobites - GoldiusIA0025|,
ElkaderClaytonIA3-10 meters below Galena dolomite in small creek 2 km SWOrdovicianPlatteville, Uppertrilobites -IllaneusIA0027|,
Marion TownshipClaytonIAnw1/4 se1/4 s19 along left bank of a small North flowing tributary of the Turkey River in shaley LimestoneOrdovicianElgintrilobite fragments - Isotelus,graptolitesIA0028|,
McGregorClaytonIA6 km SW along Sny Magill Creek in LimestoneOrdovicianPlattevilletrilobite - CeraurusIA0029|,
McGregorClaytonIA6 km SW in Boyles Quarry in LimestoneOrdovicianPlattevilletrilobite - Ceraurus,EoharpesIA0030|,
McGregorClaytonIAN to Minnesota line in Cambrian Upper Sandstones along Mississippi RiverCambrian Uppera few fossilsIA0031|,
McGregorClaytonIAalong Sny Magill Creek in Limestone exposuresOrdovicianPlattevilletrilobite - CeraurusIA0032|,
Sperry TownshipClaytonIAS of center of Sec 11OrdovicianGalenaCrinoidsIA0033|,
Strawberry PtClaytonIAarea quarriesSilurianfossilsIA0034|,
ClintonClintonIASilurianNiagarangraptolites,trilobites - GoldiusIA0035|,
ClintonClintonIAfrom US30 N to US20 in quarries and roadcutsSilurianFossilsIA0036|,
BoyerCrawfordIAN along Porter Creek in bench 10 meters above CreekmollusksIA0037|,
BoyerCrawfordIAN at lower end of valley in blue-gray siltmollusksIA0038|,
BoyerCrawfordIAin area streams and gulliesgastropods and bivalvesIA0039|,
RedfieldDallasIAin clayey shalePennsylvanianXiphosura - EuproopsIA0040|,
BloomfieldDavisIAOrdovicianMaquoketa, Lowertrilobites - EncrinurusIA0041|,
ElginDavisIAOrdovicianMaquoketaCalymeneIA0043|,
ElginDavisIAOrdovicianMaquoketa, LowerTrilobites -IsotelusIA0042|,
ElginDavisIAin road cuts along Turkey River SW of town in Elgin member ofOrdovicianMaquoketatrilobites and AmmonitesIA0044|,
ClermontDavis?IAnear junction of Otter Creek and Turkey RiverOrdovicianMaquoketa, LowerTrilobites - IsotelusIA0045Clermont is in Fayette Cy. Is this location perhaps in Davis County?|,
EdgewoodDelawareIAarea quarriesSilurianfossilsIA0046|,
ManchesterDelawareIA4 km WSilurian UpperNiagara Falls Limestonegraptolites,trilobites - IllaneusIA0047|,
ManchesterDelawareIAarea quarriesSilurianfossilsIA0048|,
AugustaDes MoinesIAMississippian LowerBurlington Limestonecrinoids,Shark teeth -- hybodonts,PsammodusIA0049|,
AugustaDes MoinesIA1 km N in area exposuresMississippianKeokuktypical faunasIA0050|,
AugustaDes MoinesIARare crinoid crowns in crinoidal limestoneMississippian LowerBurlington LimestonecrinoidsIA0051|,
BurlingtonDes MoinesIACrinoids Eutrochocrinus,AgaricocrinitesIA0052|,
BurlingtonDes Moines?IAat Prospect Hill in Mississippi River bluffs for 3 kmMississippianKinderhooksponges,crinoid stems,Brachiopods,pelecypods,cephalopods,crustacea,fish,worms,bryozoa,corals,plantsIA0053|,
-DubuqueIA3 meters N of Mississippi River Bridge 2 meters above low waterEoharpesIA0064|,
Catfish CreekDubuqueIAnear mouthOrdovicianPlatteville LimestoneCeraurusIA0054|,
Center TownshipDubuqueIAne1/4 s29 2 meters above NW flowing tributary of Little Maquoketa RiverOrthocerasIA0055|,
DubuqueDubuqueIA6.5 km N in cuts of Chicago,Milwaukee and St Paul RROrdovicianPlattevilletrilobites - Basilicus,other fossils.IA0056|,
DubuqueDubuqueIAat City Quarries on W 14th StOrdovicianGalena dolomitetrilobites - Illaneus and 1 other fossil speciesIA0057|,
FlorencevilleDubuqueIAarea outcropsOrdovicianGalena|Plattevilletrilobites - BrachyaspisIA0058Brachyaspis is Isotelus|,
FlorencevilleDubuqueIAon River above townOrdovicianMaquoketaTrilobites - HomotelusIA0059|,
GrafDubuqueIAOrdovicianMaquoketa, LowerCalymeneIA0060|,
GrafDubuqueIA500 meters aboveLingula,Orthoceras,Leptobolus,+ 14 other species.IA0061|,
GrafDubuqueIAat RR station 14 km W of Dubuque and 2 km N of IA20OrdovicianMaquoketanautiloidsIA0062|,
Graf StationDubuqueIAat ICCR station 12.8km No of Dubuque and 2.4km N of US 20OrdovicianMaquoketaStraight cephalopods.IA0063|,
BrainardFayetteIAOrdovicianMaquoketa|Brainardtrilobites - CalymeneIA0065|,
ClermontFayetteIAOrdovicianMaquoketaCalymeneIA0067|,
ClermontFayetteIAOrdovicianMaquoketa, Lowertrilobites - MegalaspisIA0066|,
ClermontFayetteIAin dry stream beds along County road Y in Elgin member ofOrdovicianMaquoketatrilobites and AmmonitesIA0068|,
ClermontFayetteIAin road cuts along Clermont-Elgin road in Elgin member ofOrdovicianMaquoketatrilobites and AmmonitesIA0069|,
Clermont TownshipFayetteIAIn creek banks above bridge in center of S35trilobites,graptolitesIA0070|,
Clermont TownshipFayetteIAin area shale outcropstrilobites,graptolitesIA0071|,
Dover MillsFayetteIAOrdovicianMaquoketaCalymeneIA0072|,
Pleasant Valley TownshipFayetteIAat Patterson Springs w1/2nw1/4s20 in Limestoneabundant Cornulites,Hebertella,Plectambonites,Leptaena,Calymene,Crinoid stems (Dendrocrinus)IA0073w1/2nw1/4s20|,
Postville JunctionFayetteIAOrdovicianMaquoketa, Lowertrilobites - MegalaspisIA0074|,
-FloydIAarea exposuresDevonianLime Creek Shalebarnacles - LepidocoleusIA0088|,
Nora SpringsFloydIACoral ActinostromaIA0075|,
Nova SpringsFloydIAWilliams Quarrycorals,edrioasteroids,cystoidsIA0076|,
RockfordFloydIApelecypod SpinatrypaIA0077|,
RockfordFloydIADevonianBrachiopods;Cephalopods ImitocerasIA0078|,
RockfordFloydIA5 km S and .5 km W of Rockford Brick Co Pit on County RdDevonian UpperHackberry (IA)Corals,Brachiopods,Corals.IA0079|,
RockfordFloydIA700 meters SW of Rockford Brick and Tile Company on County Road DDevonianHackberry (IA)brachiopods,gastropods,coralIA0080|,
RockfordFloydIAIn Allied Construction Company (Charles City,IA) pit 2 km W of Rockford on County Rd B47 in Map FQ Spring 84 p11. N1/2S16R18WT95NDevonianJuniper Hill|Cerro Gordo (IA)Brachiopods - Cranaena - with traces of original shell coloring.IA0081N1/2S16R18WT95N|,
RockfordFloydIAPrairie 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.DevonianLime Creek?IA0082|,
RockfordFloydIAarea limestonescorals,brachiopods,crinoidsIA0083|,
RockfordFloydIAin road cut on County Rd Dbrachiopods,coralsIA0084|,
RockfordFloydIAin.5 km S and 6 km W of Rockford Brick Co PitDevonian UpperHackberry (IA)Corals,Brachiopods,Corals. Brachiopods - Atrypa,Theodossia,Spirifer,Productella,Productella,Cyrtospirifer,Tenticospirifer. Stromatoporoid - IdiostromaIA0085|,
Rockland[?]FloydIAbrachiopods - Schuchertella,Linoproductus,JuresaniaIA0086There doesn't seem to be a Rockland,Iowa. Rockford? But the genera above are Pennsylvanian. Rockford is Devonian.|,
Williams Quarry at Nova SpringsFloydIAEdrioasteroids and CystoidsIA0087|,
ChapinFranklinIA2 km W in cherty dolomiteMississippian LowerMaynes Creekabundant coralsIA0089|,
Geneva TownshipFranklinIAin abandoned quarry in S10 silicified fossilsSchellwienella,Productus,Camarotoechia,Spirifer,Cleiothyridina,fish spinesIA0090|,
Geneva TownshipFranklinIAin abandoned quarry in S14 silicified fossilsSchellwienella,Productus,Camarotoechia,Spirifer,Cleiothyridina,fish spinesIA0091|,
HamptonFranklinIA2 km NW of town in quarry on Spring Creekmany species of corals,brachiopods,crinoids,pelecypodsIA0092|,
HamptonFranklinIA5 km NE in quarrymany species of corals,brachiopods,crinoids,pelecypodsIA0093|,
HamptonFranklinIAIn N part of town in quarry on Spring Creekmany species of corals,brachiopods,crinoids,pelecypodsIA0094|,
Ross TownshipFranklinIAIn SW corner s29abundant fossils - corals,blastoids,brachiopods. bryozoa,gastropods,pelecypodsIA0095|,
SheffieldFranklinIAIn S17 of West Fork TownshipDevonian UpperSheffieldCleiothyridina,Productus,Camarotoechia,Spirifer,silicified fossilsIA0096|,
BartlettFremontIAAt Kaser Bros QuarryPennsylvanianHoltvertebrates-AgassizodusIA0097|,
BeamanGrundyIAalong Wolf CreekMississippianKinderhookZaphrentis; brachiopods-Schellwienella,Camarotoechia,Rhipidomella,Dielasma,Spirifer; Conocardium,Straparollus,LoxonemaIA0098|,
ConradGrundyIAalong Wolf CreekMississippianKinderhookZaphrentis. Schellwienella,Camarotoechia,Rhipidomella,Dielasma,Spirifer,Conocardium,Straparollus,LoxonemaIA0099|,
StewartGuthrieIAPennsylvanianHerthavertebrates-PetrodusIA0100|,
Eagle CityHardinIAin banks of Iowa RiverMississippian LowerKinderhook, Upperbrachiopods - Leptaena,Orthoceras,Schellwienella,Productus,Spirifer,Reticularia; Bryozoa - Chaetetes,Rhombopora,Fenestella; Gastropods - Orthonychia,StraparollusIA0101|,
Iowa FallsHardinIASE in old Ellsworth Stone quarryZaphrentis,Orophocrinus,Platycrinus,Schellwienella,Rhipidomella,Spirifer,Reticularia,Aviculopecten,Bellerophon. Igoceras,Loxonema,StraparollusIA0102|,
Iowa FallsHardinIAin old quarry on Iowa River at power plantZaphrentis,Orophocrinus,Platycrinus,Schellwienella,Rhipidomella,Spirifer,Reticularia,Aviculopecten,Bellerophon; Igoceras,Loxonema,StraparollusIA0103|,
Iowa FallsHardinIAto W in Wild Cat GlenZaphrentis,Orophocrinus,Platycrinus,Schellwienella,Rhipidomella,Spirifer,Reticularia,Aviculopecten,Bellerophon. Igoceras,Loxonema,StraparollusIA0104|,
Henry CountyHenryIAse1/4s17t71nr6e on side of Big CreekMississippian UpperPellaGriffithidesIA0105se1/4s17t71nr6e|,
Jackson TownshipHenryIAAt Webster's Mill in W part of Section (What Section?) along a tributary of Skunk RiverMississippianKeokukfossils(4)IA0106|,
Jackson TownshipHenryIASec 4 along small tributary of Skunk RiverGriffithidesIA0107|,
Mount PleasantHenryIAMississippianKeokukFish teeth-SandalodusIA0108|,
Oakland MillsHenryIAMississippian LowerBurlington LimestoneShark Teeth,DeltodusIA0109|,
OllieHenryIAMississippian UpperPellatrilobites -Griffithides(4)IA0110|,
OttumwaHenryIAMississippian UpperPellatrilobites -Griffithides(4)IA0111|,
Dakota CityHumboldtIAHodges QuarryMississippianGilmore City LimestoneTrilobites-Perexigupyge,Richterella,ProetidesIA0112|,
HumboldtHumboldtIAin Hodges Quarry in limestone lensesMississippianGilmore Citymollusks,brachiopods,ostracodsIA0113|,
BellevueJacksonIAN through Dubuque to Minnesota line along Mississippi RiverOrdovicianSt Peter SandstoneGalena Dolomite,Maquoketa shale.IA0114|,
MaquoketaJacksonIACasts of fossils. Coral-NeozaphrentisIA0115|,
MonmouthJacksonIAgastropods-TrochonemaIA0116|,
St DonatusJacksonIAPrairie Spring Township along Mort[?] Creek limestone and shaleOrdovicianGalena20 species of fossilsIA0117Most likely 'Tete des Mortes' Creek which is just S of town|,
Tete de Mort TownshipJacksonIAIn soft brown shales along creek near Sec 13-14 boundaryabundant fossilsIA0118'Tete des Mortes' perhaps|,
KelloggJasperIAMississippianKeokuk Limestoneshark spines to 70cm - PhysonemusIA0119|,
KelloggJasperIAIn limestone quarryMississippianKeokukFish fins-PhysonemusIA0120|,
Round Prairie TownshipJeffersonIAIn S bank of Rock Creek ne1/4 ne1/4 s32Protozoa,coral Pentremites,Archeocidaris spines and plates,crinoid stems,Vermes - Spirorbis?; Bryozoa -Anisotrypa,Fenestella; brachiopods; pelecypods - Allorisma;Arthropods - Cytherellina; fish bonesIA0121|,
BrandonJohnsonIAarea exposuresDevonianCedar Valleytrilobite - ProteusIA0122|,
BrandonJohnsonIAarea exposuresDevonian LowerIndependence Shale[?]trilobite - CyphaspisIA0123USGS has the Independence formation as Pleistocene|,
Cedar RapidsJohnsonIADevonianCedar Valley LimestoneBlastoids,IA0124|,
CoralvilleJohnsonIACorals-Striatopora,Hexagonaria,Favosites;bryozoa-Thamniscus;brachiopods-AtrypaIA0125|,
CoralvilleJohnsonIADevonianFossilsIA0126|,
CoralvilleJohnsonIAin gorge S of Dam spillway http://www.hq.usace.army.mil/cepa/pubs/jan02/story18.htmDevoniandiverse fossilsIA0127|,
ElmiraJohnsonIA1 km NDevonian MiddleDavenporttrilobites -ProteusIA0128|,
Iowa CityJohnsonIAIn limestonesDevonian MiddleHamiltontrilobites - AsteropygeIA0129|,
Iowa CityJohnsonIAN of Park Bridge in abandoned quarryDevonianCedar ValleyProetusIA0130Both 'Proetus' and 'Proteus' spellings are commonly used -- apparently interchangeably|,
Iowa CityJohnsonIAN on Templin road,Red Ball RoadDevonianCedar ValleyProetusIA0131|,
Johnson CountyJohnsonIAarea stream gravelssilicified FavositesIA0132|,
Linn JunctionJohnsonIAalong old Chicago,Milwaukee and St Paul RR cutDevonian MiddleWapsipiniconProetusIA0133|,
Linn JunctionJohnsonIAin area outcropsDevonian MiddleWapsipiniconProetusIA0134|,
New BuffaloJohnsonIADevonianCedar ValleyVertebrates-DipterusIA0135|,
New BuffaloJohnsonIAIn limestonesDevonian MiddleHamiltontrilobites - AsteropygeIA0136|,
SearstownJohnsonIAIn limestonesDevonian MiddleHamiltontrilobites - AsteropygeIA0137|,
State QuarryJohnsonIAIn bone bedDevonian UpperState Quarryfish-PtyctodusIA0138|,
KeokukKeokukIAAt Des Moines Rapids in Mississippi RiverMississippianKeokukFish teeth-Cladodus,Cochliodus,Deltodus,SandalodusIA0139|,
KeswickKeokukIAMississippianKeokuk LimestoneShark Spines Physonemus,Teeth -- Cladodus,Helodus,Deltodus,ChomatodusIA0140|,
KeswickKeokukIAIn limestone quarryMississippianKeokukFish fins-PhysonemusIA0141|,
OllieKeokukIA2 km NWMississippian UpperPellaGriffithidesIA0142|,
South EnglishKeokukIAMississippianbradyodont shark teeth-SandalodusIA0143|,
-LeeIAMississippianKeokuk Limestoneshark teeth -- CtenoptychiusIA0155|,
BelfastLeeIA2 km NE along E branch of Monk Creek in se1/4s36t67nr72silicified coral - Lithostrotion,SyringoporaIA0144se1/4s36t67nr72|,
BelfastLeeIA4 km WMississippianSt LouisLithostrotion,Conularia,OrbiculoideaIA0145|,
BelfastLeeIA4.5 km W in stream bank at sharp bendMississippianSt LouisGirtyella,Spirifer,Myalina,Aviculopecten,Modiomorpha,Conocardium,BellerophonIA0146|,
BelfastLeeIAin River Bluffs below townMississippianSt LouisLithostrotion,Conularia,OrbiculoideaIA0147|,
CrotonLeeIAalong banks of Creek emptying into Des Moines RiverMississippian UpperPella Limestonebrachiopods-Productus,Pugnoides,Girtyella,Spirifer,Composita;Pelecypods- Edmondia,Schizodus,Allorisma Trilobites - Phillipsia.IA0148|,
DenmarkLeeIA4 km NW,In a bluffMississippianKeokukOrthothetes,Spirifer,Conularia,Cleiothyridina,Reticularia,Tetracamera,Pustula,ProductusIA0149|,
KeokukLeeIAMississippianfossils,geodesIA0150|,
KeokukLeeIAMontroseTrilobites -GriffithidesIA0151|,
KeokukLeeIAalong Soap Creek full exposures of Keokuk Limestone bedsMississippianKeokukcorals,bryozoa,brachiopods pelecypods,gastropods,fish teeth - Sandalodus,crinoids,etcIA0152|,
KeokukLeeIAat Galland StationTrilobites -GriffithidesIA0153|,
KeokukLeeIAin quarry in Mississippi river bank near mouth of Soap Creek full exposures of Keokuk Limestone bedsMississippianKeokukcorals,bryozoa,brachiopods pelecypods,gastropods,fish teeth - Sandalodus,crinoids,etcIA0154|,
Linn CountyLinnIAArea streambedssilicified coralsIA0156|,
Linn CountyLinnIAIn area exposuresSilurianNiagaranTrilobites - EncrinurusIA0157|,
LinwoodLinnIALocal quarries and a creekbed between Linwood and BuffaloPorifera - Hexagonaria. Mollusk - Hyolithes,Crinoid plates Onychocrinus,Brachiopods,Spinocyrtia,Gypidula,Composita,Merista,Fascifera,HebertellaIA0158|,
BurlingtonLouisaIAMississippianWaverly (IA)?Fish-CtenacanthusIA0159|,
BurlingtonLouisaIAIn road cuthorn coralsIA0160|,
BurlingtonLouisaIAN along base of Mississippi River bluffDevonianMaple Millmany fish species plus sponges,crinoid stems,brachiopods,a pelecypod,gastropods,GomphocerasIA0161|,
BurlingtonLouisaIARare crinoid crowns in crinoidalMississippian LowerBurlington LimestonecrinoidsIA0162|,
Elrick JunctionLouisaIA2 km SE in creek bed an banksHelodus teeth,Chonopectus,Athyris,Chonetes,Edmondia,Spirifer,Paryphorhynchus,Orthothetes,abundant mollusks.IA0163|,
Long CreekLouisaIAIn area Limestone depositsOrthothetes,Chonopectus,Aviculopecten,Productus,Rhipidomella,Macrodon,Orthoceras,Conularia,EdmondiaIA0164|,
Louisa CountyLouisaIAIn County Quarry in s23t73nr3w Hampton age fossilsMississippianNorth Hill OoliteSpirifer,Camarophorella,Productus,Leptaena,Reticularia,BucanopsisIA0165s23t73nr3w|,
Morning SunLouisaIAMississippianKeokuk LimestoneCrinoidsIA0166|,
Morning SunLouisaIAN and E in bluffs and creeksSpirifer,Productella,Spirifer,Athyris,Zaphrentis,Orthoceras,Helodus,brachiopod casts.IA0167s23t73nr3w|,
Morning SunLouisaIARare crinoid crowns in crinoidalMississippian LowerBurlington Limestone?IA0168|,
Smith CreekLouisaIADevonianMaple Millmany fish species plus sponges,crinoid stems,brachiopods,a pelecypod,gastropods,GomphocerasIA0169|,
Smith CreekLouisaIAW of center of sw1/4s29t73nr2wMississippianKinderhooksponges,crinoid stems,Brachiopods,pelecypods,cephalopods,crustacea,fish,worms,bryozoa,corals,plantsIA0170sw1/4s29t73nr2w|,
St CharlesMadisonIAPennsylvanianHerthavertebrates-PetrodusIA0171|,
St CharlesMadisonIAPennsylvanianHertha LimestoneConodonts,Dermal ossicles from PetrodusIA0172|,
WinteretMadisonIAAt Devil's BackbonePennsylvanianHushpuckney ShalePelecypod-Euchondriahttp://books.google.com/books?id=svVskArvqRAC&pg=PA116&lpg=PA116&dq=abbott+pennsylvanian+fossils&source=web&ots=lOtHaJf56y&sig=NJ5TQEVUMG0nHqmfhmFd1_ZhOUg#PPA113,M1|,
WintersetMadisonIAvertebrates-Deltodus,SandalodusIA0173|,
WintersetMadisonIA8 km W in ravine on N side of Middle RiverPennsylvanianCherryvale Shaletypical faunasIA0174|,
WintersetMadisonIASW in ravinePennsylvanianBethany Falls LimestoneMyalina,Orthothetes,Chonetes,Composita,crinoid stemsIA0175|,
WintersetMadisonIAat Devil's BackbonePennsylvanianHushpuckney Shalepelecypods - StreblochondriaIA0176|,
FreeportMahaskaIACalamitesIA0177|,
FremontMahaskaIAMississippian UpperPellatrilobites -Griffithides(4)IA0178Original says Henry County|,
FremontMahaskaIA5 km NMississippian UpperPellaGriffithidesIA0179|,
New SharonMahaskaIADevonianbrachiopods-Mucrospirifer,corals,bivalvesIA0180|,
OskaloosaMahaskaIAE of US63 in abandoned quarry on Skunk Riversmall blastoids,corals,trilobitesIA0181|,
HarveyMarionIAMississippian Pella bedsMississippianSt Louis LimestoneEdrioasteroids Lepidodiscus,IA0182|,
HarveyMarionIAPella beds in abandoned quarryMississippianSt Louis?IA0183|,
PellaMarionIA1 km SW in abandoned quarry in overlying shalesMississippian UpperPellacorals,blastoids,brachiopods,pelecypods,trilobitesIA0184|,
TracyMarionIAIn area quarries in marly members of Pella formationsMississippian UpperPellatypical Pella fossilsIA0185|,
Le GrandMarshallIAMississippianBlastoids,CrinoidsIA0186|,
Le GrandMarshallIA2 km N along Iowa River in massive fossiliferous blue siltstone ledgesDevonian-MississippianEnglish RiverBrachiopods,pelecypods,pteropods,cephalopodsIA0187|,
Le GrandMarshallIA2 km N of IA30 in quarriesMississippianHamptongood,but uncommon crinoidsIA0188|,
Le GrandMarshallIAIn 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,MississippianKinderhookCactocrinus,Platycrinites,Rhodocrinites.IA0189|,
Le GrandMarshallIAIn area Limestone quarriesMississippiancrinoids,echinoderms Megistocrinus.IA0190|,
Le GrandMarshallIAin quarries 2 km N of IA30MississippianHamptoncrinoidsIA0191|,
LeGrandMarshallIAMississippianKinderhookfish teeth-HelodusIA0192|,
MarshalltownMarshallIA14.5 km E in quarries described by Meek and Worthennests of perfectly preserved crinoids. Worked out by mid 20th Century.IA0193|,
StennettMontgomeryIA1 km up the ravine in creek bedPennsylvanianSevery Shaleabundant fossils.IA0194|,
StennettMontgomeryIAnear mouth of ravinePennsylvanianSevery Shaleabundant fossils.IA0195|,
MoscowMuscatineIAQuarry on Cedar River.Corals -Cystiphyllum,Amplexus,HeterophrentisIA0196|,
MuscatineMuscatineIACoelenterates - Eridophyllum,Halysites. Algae - Talonurus[?]IA0197No citations for 'Talonurus' 050526|,
MuscatineMuscatineIAPennsylvanianPlants LepidophloiosIA0198|,
MuscatineMuscatineIAIn lower part of Mississippi River bluffsMississippianSweetland Creekpoorly preserved Lingula. gastropods. Fish teeth in hard Green dolomitic shale -Spathiocaris,Selenocaris[?],Ptychodus,Rhynchodus,SynthetodusIA0199No citations for 'Selenocaris' 050525|,
Wyoming HillMuscatineIA8-9.6km E of Muscatine in long RR cut near Hwy 22plants Lepidophyllum,Lepidodendron,Annularia,Calamostachys,Alethopteris,TrigonocarpusIA0200|,
NorwichPageIA4 km NEPennsylvanian UpperTarkioPhillipsiaIA0201|,
EmmetsburgPalo AltoIAIn stream gravelsPetrified WoodIA0202|,
GraettingerPalo AltoIAIn stream gravelsPetrified WoodIA0203|,
CherokeePlymouthIAN in gravel pitPleistoceneElephas teeth and bonesIA0204|,
LeMarsPlymouthIANE,in gravel pitsPleistocenewater worn Elephant,deer,horse,etc. bones,teeth,horns.IA0205|,
Pierson Creek ValleyPlymouthIAin pit to WPleistoceneBison,elephants,horses,gastropodsIA0206|,
Big Sioux RiverPlymouth?IAfossils take 1-29 north to the junctionCretaceousGreenhornFossilsIA0207The 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|,
Gilmore CityPocahontasIAMississippianKinderhookCrinoids 24 species found. Museum quality specimensIA0208|,
Gilmore CityPocahontasIA1 km NW in quarrybrachiopods,crinoids,bryozoaIA0209|,
Gilmore CityPocahontasIA2 km NW in Gilmore Portland Cement Co quarrycorals,brachiopodsIA0210|,
Gilmore CityPocahontasIAFossiliferous Gray Limestone below. Fossiliferous white Kinderhook Limestone is found on quarry floors 1 km NWMississippianGilmore Citybrachiopods,bryozoa,crinoids,edrioasteroids in rare nests - Cribanocrinus,Rhodocrinites,Eretmocrinus,Aorocrinus,Dichocrinus,Platycrinus,Eutaxocrinus,Lasiocrinus,Goniocrinus,Paracosmetocrinus,Culmicrinus,Hypselocrinus,Gilmocrinus,LinocrinusIA0211|,
Des MoinesPolkIAarea exposures of shaley LimestonePennsylvanianCherokeetrilobites - GriffithidesIA0212|,
Des MoinesPolkIAin area exposuresPennsylvanianHenriettaGriffithidesIA0213|,
GrinnellPoweshiekIAE in abandoned quarryMississippianvertebrates,brachiopodsIA0214|,
BuffaloScottIADewey Cement Co QuarryDevonianCedar ValleyVertebrates-GamphacanthusIA0215|,
BuffaloScottIAE on Hwy22 in quarryDevonianCedar Valleytrilobites,crinoids,blastoidsIA0216|,
DavenportScottIAbrachiopods GypidulaIA0217|,
DavenportScottIAin area exposuresDevonian MiddleDavenport, UpperProteusIA0218|,
ButlervilleTamaIAIn exposures along Iowa RiverDevonian-MississippianEnglish Riverdiverse fossilsIA0219|,
Indian Village TownshipTamaIAS8MississippianKinderhookChonetes,Productus,Rhynchonella,Spirifer,crinoid fragments,fish remains,Orthothetes,Spirifer,StraparollusIA0220|,
Indian Village TownshipTamaIAse1/4 s7 in E side of hill -Devils AnvilZaphrentis,Chonetes,Productus,Orthothetes,Spirifer,StraparollusIA0221|,
BentonsportVan BurenIAin area exposuresMississippianKeokuktypical fossils.IA0222|,
OttumwaWapelloIAOn Harrows Branch 400 meters upstream from 2nd Streetcorals,crinoid stems,bryozoa,brachiopods,pelecypodsIA0223|,
KalonaWashingtonIADevonianMaple Millbrachiopods GluteusIA0224|,
Maple MillWashingtonIA2 km W at Wassonville Millbrachiopods,pelecypods,Dentalium,Bellerophon,gastropods,OrthocerasIA0225|,
Washington CountyWashingtonIAarea exposures Brownish,dolomitic LimestonesDevonianMaple Millworm burrows,brachiopods,pelecypods,Scaphopods - Dentalium,Gastropods,Orthoceras,Phillipsia?IA0226|,
WellmanWashingtonIAin area exposures of Wassonville Member of Kinderhook Fm in white chertMississippianKinderhookGastropods - 24 species. pelecypods - 9 species. Brachiopods - 35 species. Some specimens apparently with original shell coloring.IA0227|,
Fort AtkinsonWinneshiekIAarea Limestone exposuresmany fossils,LindstroemellaIA0228|,
Madison TownshipWinneshiekIA1 km E of SE1/4 NW1/4 S19OrdovicianElginIsotelusIA0229|,
Madison TownshipWinneshiekIASE1/4 NW1/4 S19OrdovicianMaquoketaIsotelusIA0230Unable 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|,
Orleans TownshipWinneshiekIASE1/4 S17 in road cuts on E,W road in highly fossiliferous Limestonetrilobites,silicified graptolitesIA0231|,
OssianWinneshiekIAOrdovicianMaquoketaCalymeneIA0232|,
OssianWinneshiekIA1 km SW in area quarriesLindstroemellaIA0233|,
Springfield TownshipWinneshiekIAroad cuts along road from N end S23 to N end S24OrdovicianMaquoketa?brachiopods -Glyptorthis.IA0234|,
Sioux CityWoodburyIAW part of City in Riverside areaCretaceousDakotaInoceramus,fish scales,foraminifers. In underlying Sandstone - fish teeth and spines,Pelecypod casts,Turritella,Margarita,Cardium,Corbicula,Cyrene[?],Mactra,Protocardia,Trigonarca,leaf fragments,cones.IA0235Cyrene is probably a misspelling of Cyrena synonym for Corbicula|,
-[?]IAArea exposures in East Iowa/West IllinoisMississippianBurlington LimestoneMarine vertebrates-Cladodus,Ctenacanthus,Deltodus,PhysonemusIA0237|,
Patterson Springs[?]IAOrdovicianMaquoketa|Brainardtrilobites - CalymeneIA0236|,

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