US And Canadian Fossil Sites -- Data for COLORADO

Version 0810 current as of OCT 2008.

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LocationCountyState/ProvinceDirections,NotesAgeFormationFossilsCommentsReferenceLat-Long
--COW-Park RangeJurassicPseudomonotis,Belemnites{4}CO0241|,
--COat Millie Gibson Mine - gastropods replaced with native Silver,Galena,Sphalerite?CO0242|,
Deer Trail-COPaleoceneFort Unionvertebrates-crocodile-BrachychampsaCO0239CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
ArbolesArchuletaCO3km N on E side of Piedra RiverPaleoceneAnimasvertebrates-Periptychus,PhenacodusCO0001CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
PiedraArchuletaCO8km N in Piedra River Canyon S3?T35NR4WJurassicWanakahFish-Hulettia,TodiltiaCO0002CAUTION:Collecting vertebrate material in the US requires landowner or government permissionS3?T35NR4W|,
Piedra RiverArchuletaCO13 km N of US160 on road along E side of rivercrinoids,brachiopodsCO0003|,
PritchettBacaCOto NorthCretaceousGraneros Shalevertebrates-Plesiosaur-ThalassomedonCO0004CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
BellvueBoulderCO4 km N sandstoneCretaceousDakotaAvicula,Inoceramus,Ostrea,Fish scales,fish vertebraCO0005|,
BellvueBoulderCOAt exit of Boxelder Creek from FoothillsOstreaCO0006|,
BellvueBoulderCOAt mouth of Owl CanyonAvicula,Inoceramus,OstreaCO0007|,
BerthoudBoulderCOW in fold within first hogback in sandy shalesCretaceousAvicula,Inoceramus,OstreaCO0008|,
BerthoudBoulderCOW just outside first hogback in shalesCretaceousBentonAvicula,Inoceramus,OstreaCO0009|,
BoulderBoulderCO5-10 km NCretaceousPierreshells,petrified wood,Dinosaur Bones,Mosasaurus,CephalopodsCO0010|,
BoulderBoulderCO5-10 km N below Hygiene SandstoneCretaceousBaculites,Inoceramus,a few vertebrate bonesCO0011|,
BoulderBoulderCO6 km E at 40th parallelCretaceousFox HillsinvertebratesCO0012|,
BoulderBoulderCO6 km S just outside foothills at mouth of Bear CanyonInoceramus,BaculitesCO0013|,
BoulderBoulderCOIn Front range foothills in the area of Horsetooth Reservoir,Spring Canyon Dam and North toward Wyoming inCretaceous LowerDakota|Skull Creek ShaleInoceramus,Ostrea,etcCO0014|,
BoulderBoulderCONE,on Haystack Butte and in fields to WCephalopodsCO0015|,
BoulderBoulderCOat University Hospital E in brickyardcephalopods,wood,fish bones,dinosaur bones,pelecypods{4}CO0016|,
BoulderBoulderCOon S side of Spring Canyon Dam in Horsetooth reservoir banksCretaceousDakotatrace fossils,invertebratesCO0017|,
BulgerBoulderCO1 km SAvicula,Pholadomya,Baculites,Scaphites{4}CO0018|,
BulgerBoulderCO2 km NE in grayish calcareous SandstoneHalymenites,Crenella,Dentalium {4}CO0019|,
Cottonwood SpringBoulderCOat top of Cottonwood Draw - 24 km NNE of OrchardHalymenites,Ostrea,Corbicula,Melania,reptile teeth,many invertebrate species{4}CO0020|,
Fort CollinsBoulderCON and NW at lower boundary of Hygiene SandstoneCretaceousHygieneAvicula,Inoceramus,OstreaCO0021|,
Fort CollinsBoulderCOat Fossil RidgeMany invertebrates in concretions{4}CO0022|,
Greasewood LakeBoulderCO3 km SE of Osgood S and SW of lakeCretaceousFox Hillscephalopods{4}CO0023|,
Greasewood LakeBoulderCO3 km SE of Osgood fresh water shells along shorelinePleistocene-Holocenemollusks{4}CO0024No Osgood in area of Greasewood lake|,
GreeleyBoulderCO2 km E of Fosston on E side of Valley?CO0025|,
GreeleyBoulderCO3 km N of Fosston at abandoned reservoir?CO0026|,
GreeleyBoulderCOAt Cow CreekMany species of invertebratesCO0027|,
GreeleyBoulderCOE of Cornish on E side of South Platte Valley?CO0028|,
GreeleyBoulderCOIn area exposures:?CO0029|,
Little Thompson CanyonBoulderCO7 km SSECretaceousFox HillsSphaeriolaCO0030|,
Little Thompson CanyonBoulderCOE of mouthCretaceousPierre ShaleInoceramus,BaculitesCO0031|,
Little Thompson CanyonBoulderCOWSW in Tepee ButtesCretaceousPierreBaculites,Inoceramus,Membranipora,Avicula,Ostrea,Lucina,Pelecypods,Gastropods,ScaphitesCO0032|,
Little Thompson CanyonBoulderCOat mouthCretaceousNiobrara LimestoneInoceramus,Ostrea,HalymenitesCO0033|,
LongmontBoulderCO3 km SECretaceousPierreCrenella.{4}CO0034|,
LongmontBoulderCO400 meters E at Reservoir HillCretaceousPierreOstrea,Veniella,Lucina,Cardium,Callista,Mactra,Dentalium,Lunatia,Melania,Cylichna,gastropods,reptile teeth.{4}CO0035|,
LongmontBoulderCO8 km ECretaceousPierreOstrea,Veniella,Lucina,Cardium,Callista,Mactra,Dentalium,Lunatia,Melania,Cylichna,gastropods,reptile teeth.{4}CO0036|,
LongmontBoulderCOSCretaceousDakotaInoceramus. Ostrea,fish vertebrae,Plesiosaur teeth.{4}CO0037|,
MarshallBoulderCOSW along coal CreekCretaceousInoceramus,Baculites,Scaphites,Heteroceras{4}CO0038|,
Osgood P.O.BoulderCO10 km NECorbicula,Melania,Planorbis{4}CO0039|,
Osgood P.O.BoulderCO36 km ENE of GreeleyCorbula{4}CO0040|,
Osgood P.O.BoulderCO7 km EOstreaCO0041|,
Osgood P.O.BoulderCO7 km NE in coal outcrop at old stone corral 400 meters down gullyOstrea,Anomia,Mytilus,Modiolus,Corbicula{4}CO0042|,
Osgood P.O.BoulderCO7 km Wabundant Corbicula{4}CO0043|,
Osgood P.O.BoulderCONE,in area exposuresOstrea{4}CO0044|,
PlattevilleBoulderCO8 km NNW at Wildcat Mound in gulliesCretaceous UpperMillikengastropods,pelecypods,teredo wood,fish vertebrae,reptile teeth{4}CO0045Original said 'Millikan' formation|,
ValmontBoulderCOIn White Rock Bluff and NE along a fault lineCretaceous UpperMillikenHalymenites,Nucula,Yoldia,Avicula,Ostrea,Dentalium,gastropods,shark teeth,reptile teeth.CO0046|,
WellingtonBoulderCO1 km NE in canal banksYoldia,BaculitesCO0047|,
WellingtonBoulderCO10 km NE in gulliesAvicula,Veniella,Dentalium,MactraCO0048|,
WellingtonBoulderCO22 km NNW at Round Butte in bluffs at top of talus slopemany invertebrates,fish scales,shark teeth,reptile teeth.CO0049|,
WellingtonBoulderCO22 km NNW at Round Butte in bluffs in areaCretaceousHygiene sandstonefossils in concretionsCO0050|,
WellingtonBoulderCO22 km NNW at Round Butte in bluffs in areaMississippianatop mesa Mississippian fossils in chert floatCO0051|,
WellingtonBoulderCO22 km NNW at Round Butte in bluffs in areaTertiaryatop mesa,Tertiary age petrified wood. -- TertiaryCO0052|,
WellingtonBoulderCO5 km E below Millikan SandstoneVeniellaCO0053|,
WellingtonBoulderCO5 km N and to west in road cuts and stream bedsCretaceousPierre ShaleInoceramus and othersCO0054|,
WellingtonBoulderCO8 to 10 km Eabundant invertebrates and vertebrate teethCO0055|,
Monarch HillChaffeeCOIn LimestoneOrdovicianHalysites,Diphyphyllum,Zaphrentis,Heliolites,Stromatopora,OrthocerasCO0056|,
Monarch areaChaffeeCOIn two horizons one black Limestone and the other shale 1000 meters higherDevonianOurayAthyris,Camarotoechia,Orthoceras,Orthothetes,Productella,Spirifer,Syringopora,Fenestella,Productus,Spiriferina,CO0057|,
RussellChaffeeCO1.5 km NE W of old RR grade above Sangre de Christo Creek and along the axis of the synclineProductus,Aviculopecten,Spirifer,Wood,(Rhombopora),pelecypodsCO0058|,
Sawatch RangeChaffeeCOat Pitch Pinnacle http://www.colorado.edu/GeolSci/Resources/WUSTectonics/CzPaleobotany/introduction.htmlOligocenefossil plantsCO0059|,
Stearns GulchChaffeeCOon black calcareous shaleProductus,Aviculopecten,Spirifer,Wood (Rhombopora),pelecypodsCO0060There is a Stearns Gulch in Costilla County|,
Trout Creek PassChaffeeCOOrdovicianHardingLingula,mollusks,crustacea,conodonts,fish - Dictyorhabdus,Astraspis,EriptychiusCO0061|,
NE Crowley CountyCrowleyCOTepee Buttes Fossiliferous limestonesCretaceousNiobraraBaculites,Lucina,ScaphitesCO0062|,
CedaredgeDeltaCO4.8km NW near and in Green Valley MineCretaceousMesaverdedinosaur bonesCO0063|,
CedaredgeDeltaCOFrom roof of Red Mountain Coal MineCretaceousMesaverdedinosaur footprintsCO0064|,
CedaredgeDeltaCOFrom roof of Western Star Coal MineCretaceousMesaverdedinosaur footprintsCO0065|,
DeltaDeltaCOarea exposuresCretaceousfossilsCO0066|,
Delta BridgeDeltaCO10.5 km W near top of Dakota SandstoneCretaceousDakotaInoceramus,CephalopodsCO0067|,
Delta BridgeDeltaCO21 km N and 3 km W s10t13sr96wEoceneWasatch (WY)mammal vertebrae,Unio{4}CO0068s10t13sr96w|,
Delta BridgeDeltaCO5.4 km WNWCretaceousBenton|NiobraraScaphites,Prionocyclus,InoceramusCO0069|,
Delta BridgeDeltaCO6 km E on N side of Wells GulchCretaceousDakotaPlant FragmentsCO0070|,
Delta BridgeDeltaCO8 km WSW near top of Dakota SandstoneCretaceousDakotaPlant stem castsCO0071|,
DenverDenverCO16 km W and 1.2 km S on W slope of Green Mountain above practice fairway.Cretaceous UpperDenverFossil leavesCO0072|,
DenverDenverCOAlong Alameda Parkway Rd W of Denverdinosaur trackways{7}CO0073|,
Dinosaur Ridge (Dakota Hogback)DenverCODinosaur tracksCO0074|,
Red RocksDenverCOE of Morrison Hogback S of Alameda Road in LimestoneCretaceous UpperTimpasplentiful brachiopodsCO0075|,
Scotch CreekDoloresCO115 meters above base of Rico FormationRico[?]MyalinaCO0076Unable to identify a 'Rico' formation in CO|,
Castle RockDouglasCON near I25Paleocene LowerFossil plants-trees. 104 speciesCO0077|,
BondEagleCORoad cut on U side of CO131 NW1/4SE1/4S16T2SR83WPennsylvanianMinturnfish-CtenacanthusCO0078NW1/4SE1/4S16T2SR83W|,
Colorado RiverEagleCOin massive gray LimestoneDevonianChaffeeabundant brachiopods - Spirifer,Camarotoechia,Schizophoria,Productella,AthyrisCO0079|,
Eagle Bird GulchEagleCOat Red CliffCambrianBrachiopods - Obolidae,WestoniaCO0080The original says 'Westoniaella',but there are no citations for that and there is a species 'ella' listed for genus 'Westonia'. I'm guessing that the space between genus and species was inadvertently dropped.|,
Eagle Bird GulchEagleCOat Red CliffDevonian-MississippianLeadvilleSpirifer,Schuchertella,Crania,Fenestella,pelecypods,crinoid stems,corals (Zaphrentis),brachiopods (Chonetes)CO0081|,
Eagle Bird GulchEagleCOat Red CliffOrdovicianZaphrentisCO0082|,
McCoy Post OfficeEagleCOPennsylvanian,LowerMcCoyMegafossils,Microfossils-Ostracods,fusulinids,foramshttp://links.jstor.org/sici?sici=0022-3360(193012)4:4%3C332:TFOTMF%3E2.0.CO;2-1|,
Ten Mile DistrictEagleCOPennsylvanianWeberbrachiopods,crinoid stems,corals,brachiopodsCO0083|,
Stone Reservoir-Camp RiceEl PasoCO1.6km N at Gardner RanchPleistocene (Irvington)Camp RiceTurtle-GeocheloneCO0084|,
Williams CanyonEl PasoCOnear Manitou SpringsCambrian UpperSawatchtrilobite tracksCO0085|,
Canon CityFremontCOJurassicMorrisondinosaurs-Allosaurus,Amphicoelias,Brachyrophus,Camarasaurus,Caulodon,Dryosaurus,Dryptosaurus,Epantherias,Hypsirophus,Stegosaurus,Symphyrophus,Tichosteus,;crocodiles-Amphicotylus,Goniopholis;turtles-GlyptopsCO0086|,
Canon CityFremontCOGarden Park area on W side of Oil CreekOrdovicianFremontabundant fossils -- crinoid stems,corals,porifera,brachiopods,mollusks,crustacea{4}CO0087|,
Canon CityFremontCOHarding's QuarryOrdovicianFremontabundant fossils -- crinoid stems,corals,porifera,brachiopods,mollusks,crustacea,fish plates{4}CO0088|,
Canon CityFremontCOIn Priest CanyonOrdovician MiddleHardingLingula,mollusks,crustacea,conodonts,fish - Dictyorhabdus,Astraspis,Eriptychius{4}CO0089|,
Canon CityFremontCOarea exposuresJurassicMorrisondinosaur fossils{4}CO0090|,
Canon CityFremontCOarea exposuresOrdovician UpperOstracoderms{4}CO0091|,
Canyon CityFremontCOIn sandstonesOrdovicianHardingfish plates-AstraspisCO0092|,
Canyon City?FremontCOOn N side of Arkansas River in shales on road above McCormick Brick YardOrdovicianHardingfish plates-Astraspis,EriptychiusCO0093|,
Colorado State PenitentiaryFremontCOUS50 9 km W of penitentiary on US50. Roadcut exposing red to pink Ordovician Harding Limestone at West End.OrdovicianHardingAgnathan Fish bones -- Astraspis,EriptychiusCO0094|,
Garden ParkFremontCOJurassicMorrisonDinosaur bones-TichosteusCO0095|,
Garden ParkFremontCO9.8km N on Shelf Road,park at turnouts. Protected site-presumably collecting is prohibitedCretaceous?Dinosaur bones,eggs,tracksCO0096http://www.recreation.gov/detail.cfm?ID=1163|,
-GarfieldCOEoceneGreen RiverBird Feathers,Bird TracksCO0105|,
Colorado RiverGarfieldCOIn massive gray LimestoneDevonianChaffeeabundant brachiopods - Spirifer,Camarotoechia,Schizophoria,Productella,AthyrisCO0097|,
Douglas PassGarfieldCOAt FAA radar site parking lot and nearby locations in 'Mahogany Ledge' of Parachute Creek memberEoceneGreen Riverabundant Fossil leaves,insectsCO0098This site is probably at 39.6383N,108.7616W about 4km N and W of Douglas Pass on the graded road that turns off from Douglas Pass behind the Public Works Garage.39.6383N,108.7616W probable|,
Douglass PassGarfieldCOin oil shaleTertiaryabundant plant and insect fossilsCO0099|,
Douglass Pass-Rio BlancoGarfieldCOParachute Creek memberEoceneGreen Riverscarce but varied vertebrates. Many insects.CO0100CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
Glenwood CanyonGarfieldCOThe at either end of the canyon as the layers bow down to the river level. These layers form cliffs and sloping hills. They are the remnants of shallow seasCambrian UpperDotserorich in mussel,snail and squid fossils.CO0101|,
Glenwood CanyonGarfieldCOThe at either end of the canyon as the layers bow down to the river level. These layers form cliffs and sloping hills. They are the remnants of shallow seasDevonianChaffeerich in mussel,snail and squid fossils.CO0102|,
Glenwood CanyonGarfieldCOThe at either end of the canyon as the layers bow down to the river level. These layers form cliffs and sloping hills. They are the remnants of shallow seasOrdovician LowerManitourich in mussel,snail and squid fossils.CO0103|,
ParachuteGarfieldCObeds are exposed high up in cliffsEoceneGreen RiverPlant materialCO0104|,
Haystack MountainGilpinCO3 km NNW in fork of Arapaho CreekCorbula fragments,fish scales,Goniatites{4}CO0106|,
KremmlingGrandCO2 km E of Muddy Creek at base of Muddy ButteInoceramus,Ostrea{4}CO0107|,
KremmlingGrandCOIn cliff in back of townCretaceousPierreBaculites,Inoceramus,cephalopods{4}CO0108|,
KremmlingGrandCOarea Limestone exposuresInoceramus {4}CO0109|,
Middle ParkGrandCOJurassicMorrisondinosaurs-PoekilopleuronCO0110|,
Whiteley PeakGrandCON in bluff in white SandstoneCenozoicmarine algae - Halymenites,Leaves - PlatanusCO0111|,
Whiteley PeakGrandCOS and Se in concretions in black shaleCretaceousPierreBaculites,Avicula,Chaetetes,Serpula,Nucula,Inoceramus,Avicula,Ostrea,Crenella,Baculites,Scaphites,HeterocerasCO0112|,
Whiteley PeakGrandCOalong valley of Muddy Creek in concretions in black shaleCretaceousPierreBaculites,Avicula,Chaetetes,Serpula,Nucula,Inoceramus,Avicula,Ostrea,Crenella,Baculites,Scaphites,HeterocerasCO0113|,
Deadman's CreekGunnisonCOS14tsr84w in exposures along creekOrdovicianFremont Limestonecrinoid stems,chain corals: Receptaculites,shellsCO0115S14tsr84w|,
Ohio CityGunnisonCOat Fossil Ridgebrachiopods and cephalopodsCO0116|,
Apodaca GulchHuerfanoCOMay be multiple localities --Apodock Gulch/Apocacha Gulch - Huerfano VIIEoceneHuerfanovertebrates-mammals-Loveina,Hapalodectes,Paramys,Viverravus,EotitanopsCO0117CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
Apodacha GulchHuerfanoCOMay be multiple localities --Apodock Gulch/Apodaca Gulch - Huerfano VIEoceneHuerfanovertebrates-mammals-Alphadon,Bunophorus,Esthonyx,Hyopsodus,Hyracotherium,Lambdotherium,Microsyops,OxyaenaCO0118CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
Archuleta DrawHuerfanoCONear Gardner-Huerfano IXEoceneHuerfanovertebrates-mammals-Coryphodon,Hyracotherium,Phenacodus;SquamataCO0119CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
GardnerHuerfanoCO3.1-4.6km N and or W at Muddy Divide,Huerfano-IEoceneHuerfanovertebrates-mammals-Paramys,Viverravus;reptiles-crocodiles-Allognathosuchus;Squamata-Saniwa;turtles-Hadrianus?CO0120CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
GardnerHuerfanoCO3.2 km EEoceneHuerfanoSquamata-SaniwaCO0121|,
GardnerHuerfanoCO3.2 km NE at Bohannan CanyonEoceneHuerfanovertebrates-SquamataCO0122CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
GardnerHuerfanoCO3.2km NEoceneHuerfanovertebrates-Squamata-Cheilophis,Paraglyptosaurus;Turtles-Echmatemys?CO0123CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
GardnerHuerfanoCO3.2km N at Fossil CreekEoceneHuerfanovertebrates-bird bones;turtles-Hadrianus;;reptiles-crocodiles;Squamata-Paraglyptosaurus,Odaxosaurus,XestopsCO0124CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
GardnerHuerfanoCO4.6km NEoceneHuerfanovertebrates-reptiles-crocodilesCO0125CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
GardnerHuerfanoCO4.6km NEEoceneHuerfanovertebrates-reptiles-crocodilesCO0126CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
GardnerHuerfanoCOAt C.C.C. DrawEoceneHuerfanovertebrates-Squamata;reptiles-crocodilesCO0127CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
GardnerHuerfanoCOAt Costillo Pocket--Huerfano VIIIEoceneHuerfanovertebrates-turtles-Echmatemys;mammals-Ambloctonus,Diacodexis,Hyracotherium,Knightomys,Lambdotherium,Leptotomus,Microsyops,Paramys;Squamata-Proglyptosaurus,SaniwaCO0128CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
GardnerHuerfanoCOAt Garcia CanyonEoceneHuerfanovertebrates-Squamata-Paraglyptosaurus;mammals-Hyopsodus,Miacis,Microsyops,Phenacodus,Prolimnocyon;Crocodiles-AllognathosuchusCO0129CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
GardnerHuerfanoCOAt Williams CreekEoceneHuerfanovertebrates-mammals-Bunophorus,Hyopsodus,Trogosus,Viverravus;Squamata-XestopsCO0130CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
Gardner ButteHuerfanoCO3.1km EEoceneHuerfanovertebrates-mammals-Hyopsodus,Hyracotherium;Lambdotherium;Reithroparamys,Squamata-CheilophisCO0131CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
Manuel DrawHuerfanoCOHuerfano VIIEoceneHuerfanovertebrates-mammals-Hyopsodus,Loveina,ViverravusCO0132CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
Oak CreekHuerfanoCO4.6km NEoceneHuerfanovertebrates-reptiles-crocodilesCO0133CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
Promontory BluffHuerfanoCO11-12km NW of Gardner = Black MountainEoceneHuerfanovertebrates-Squamata-Paraglyptosaurus;turtles-HadrianusCO0134CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
WalsenburgHuerfanoCOAlong CO160 between Walsenburg and Ft Garland in shalesDevonian?MaderaBrachiopods-MucrospiriferCO0135|,
Muddy PassJacksonCO2 km S of Kremmling-Steamboat roadCretaceousNiobraraOstreaCO0136|,
Rabbit EarsJacksonCONE,in coal mineEoceneWasatch (WY)?fresh water snails - Vivipara.CO0137|,
Steamboat SpringsJacksonCOCretaceousMancos Shalefish scalesCO0138|,
-Jackson,GrandCOE on N side of the West GrizzlyBaculites{4}CO0139|,
Front RangeJackson,RouttCOto E of range in Limestone and shale outcropsCretaceousBentonInoceramus,Scaphites,Baculites,Ostrea{4}CO0114|,
Bear MountainJeffersonCOIn Rabbit Ears region in shale overlying igneous sheetInoceramus {4}CO0140|,
GoldenJeffersonCOAt a local golf courseCretaceousMammal tracksCO0141|,
MorrisonJeffersonCOat Soda Lakespelecypods in LimestoneCO0142|,
WatertownJeffersonCOAt underground clay mines of Robinson Brick and TileCretaceousLaramie|BentonbrachiopodsCO0143|,
DurangoLa PlataCOIn area exposuresCretaceousMancosInoceramus,Exiteloceras,gastropods,Baculites.CO0144|,
DurangoLa PlataCOto E along Florida Road in cutsCretaceousMancosInoceramus,Exiteloceras,gastropods,Baculites.CO0145|,
IgnacioLa PlataCOAt Mason Pocket Quarry and nearby localitiesPaleoceneAnimasvertebrates-Apatemys,Carpodaptes,Chriacus,Compsemys,Dissacus,Ectypodus,Ignacius,Labidolemur,Leptacodon,Marsupicarnivora,Nannodectes,Navajovius,Ogygoptynx,Peradectes,Periptychus,Phenacodus,Phenacolemur,Platymastus,Thryptacodon,Xenacodon,ZanycterisCO0146CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
IgnacioLa PlataCOAt base of Mesa Mountain on E slopePaleoceneAnimasvertebrates-Arctocyon,Crocodiles,Ignatiolambda,NannodectesCO0147CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
Mason PocketLa PlataCOPaleoceneAnimasMammal FossilsCO0148|,
Spring Canyon DamLarimerCOat S end of Horsetooth ReservoirCretaceousInoceramus,Ostrea,etc.CO0149|,
GardnerLas AnimasCO3.2km EEoceneHuerfanovertebrates-Crocodiles-AllognathosuchusCO0150CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
Cedar CreekLoganCOOligoceneWhite RiverMammals-Adjidaumo,Aepycamelus,Archaeotherium,Caenopus,Centetodon,Ceratogaulus,Cosoryx,Cynarctus,Daphoenus,Dinictis,Domnina,Ectoconus,Eumys,Geolabis,Heliscomys,Hesperocyon,Hypertragulus,Hyracodon,Ischyromys,Leptictis,Leptomeryx,Megalagus,Merychippus,Merycochoerus,Mesocyon,Mesohippus,Miniochoerus,Miolabis,Mustela,Mylagaulus,Palaeogale,Palaeolagus,Paradjidaumo,Pelycomys,Peratherium,Pliohippus,Poebrotherium,Prosciurus,Protohippus,Protolabis,Protomeryx,Ramoceros,Stibarus,Tomarctus,Ustatochoerus;Squamata-Aciprion,Calamagras,Cremastosaurus,Diacium,Exostinus,Neurodromicus,Peltosaurus,PlatyrhachisCO0151|,
Horsetail CreekLoganCOOligoceneWhite RiverTurtles-Stylemys,TestudoCO0243|,
Lewis CreekLoganCOOligoceneWhite Riverreptiles,mammalsCO0153|,
Lewis CreekLoganCOOligocene MiddleWhite Rivermammals,reptiles,turtlesCO0154|,
Lewis CreekLoganCOW D Mathew 1898OligoceneWhite RiverLizard-Heloderma;Squamata-Peltosaurus,Rhineura;Turtles-StylemysCO0244|,
Orellan-Lewis CreekLoganCOOligocene MiddleWhite RiverReptile and Mammal specimens. Entelodonts - Archaeotherium,Camelids - Poebrotherium; Hypertragulids - Leptomeryx,Hypertragulus,Hypisodus; Oreodonts - Merycoidodon,MiniochoerusCO0156might be 'Kewis' Creek|,
Pawnee ButtesLoganCO4.8km NWMiocene (Barstow)Pawnee CreekTurtles-GeocheloneCO0157|,
SterlingLoganCON of Sterling near Nebraska State LineMiocene (Barstow)Pawnee CreekTurtles-Geochelone,TestudoCO0158|,
-MesaCOPaleocenemammals: BarylambdaCO0171|,
-MesaCO2.4km W of Finley's RanchPaleoceneDeBequevertebrates-PhenacodusCO0172CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
-MesaCO9 km SSE of DeBeque Mesa RdPaleocenemammalsCO0173|,
Black RidgeMesaCODinosaur bones and gastrolithsCO0159|,
DeBequeMesaCO10 km SE on DeBeque-Mesa RdPaleocene UpperDeBequemammalsCO0160|,
DeBequeMesaCO9.6 km S-SE on DeBeque-Mesa road in Atwell Gulch member,in 'Hell's Half Acre' and also in other sites in neighborhoodPaleocene UpperDeBequemammals: Condylarths.CO0161|,
FruitaMesaCOJurassicMorrisonApatosaurusCO0162|,
FruitaMesaCO3 km Sgastroliths,bone{4}CO0163|,
FruitaMesaCOIn Devil's Canyon. 2 km S on Colorado National Monument Road, cross River, Turn W 1 km to fork. Left at fork, 2 km to fork left at fork 1 km then 1 km NGastropods in Limestone replaced by red carnelian{4}CO0165|,
FruitaMesaCOIn Devil's Canyon. 2 km S on Colorado National Monument Road, cross River,Turn W 1 km to fork. Left at fork, 2 km to fork left at fork 1 km area exposures to WestJurassicMorrison?CO0164Dinosaur bone{4}|,
Grand JunctionMesaCOJurassicMorrisonDinosaur bones;Squamata-GlyptosaurusCO0166|,
Grand JunctionMesaCOJurassicMorrisonDinosaur bones;Squamata-GlyptosaurusCO0167|,
Grand JunctionMesaCO36 km SW 700 meters above Big Dominguez Canyon on Star Mesa. Dinosaur bones in Morrison Formation claysJurassicMorrison?CO0168|,
Grand JunctionMesaCODinosaur tracks in Museum of Western Coloradodinosaur tracks{7}CO0169|,
Grand JunctionMesaCOarea exposures W along Colorado River to Utah BorderJurassicMorrisondinosaur bonesCO0170|,
CreedeMineralCOIn road cuts along Rio Grande River off of CO149 in volcanic shalesOligocenePlants: Pine cones,needles and willow leaves;InsectsCO0245|,
CreedeMineralCOIn yellowish volcanic ash beds in road cuts along the Rio Grande RiverEocene UpperCreedeplants pine,willow,insectsCO0175|,
CreedeMineralCOin San Juan Mountains in lakebed deposits in caldera http://www.colorado.edu/GeolSci/Resources/WUSTectonics/CzPaleobotany/introduction.htmlOligocenefossil PlantsCO0176|,
CreedeMineralCOin road cuts along Rio Grande RiverEocene-Oligoceneplant fossils,leaves,cones,etcCO0177|,
-MoffatCOIn gravels on Green and Yampa riversdinosaur bone fragments {4}CO0185|,
Alheit Pocket QuarryMoffatCOEoceneWasatch (WY)Mammals-Hyopsodus,Leptacodon,Peradectes,Phenacodus,TetoniusCO0178|,
Despair QuarryMoffatCOEoceneWasatch (WY)Mammals-Apheliscus,Ectypodus,Haplomylus,Hyopsodus,Macrocranion,Microsyops,Niptomomys,Phenacolemur,Prototomus,PseudotetoniusCO0179|,
East Alheit Pocket QuarryMoffatCOEoceneWasatch (WY)Crocodiles-Allognathosuchus;Mammals-Anemorhysis,Apatemys,Apheliscus,Arfia,Cantius,Chriacus,Craseops,Diacodexis,Didelphodus,Didymictis,Ectocion,Ectypodus,Haplomylus,Homogalax,Hyopsodus,Hyracotherium,Itibitimys[?],Leptacodon,Macrocranion,Microsyops,Neoliotomus,Niptomomys,Nyctitherium,Paramys,Parectypodus,Parectypodus,Phenacodus,Phenacolemur,Prodiacodon,Prolimnocyon,Prototomus,Scenopagus,Talpavus,Teilhardina,Tetonius,Thryptacodon,Uintacyon,Viverravus,Wyolestes;Squamata;TurtlesCO0180[?]The only citation for Itibitimys is the original source|,
Four MileMoffatCOFour Mile FaunaEoceneWasatch (WY)Amphibians;Bird Bones;Reptiles-Crocodiles;Squamata;TurtlesCO0181|,
Lily ParkMoffatCOS of Yampa River Just S of boundary of White Bear Ranch in Disappointment DrawJurassicMorrisonDinosaur fragmentsCO0182|,
South Alheit PocketMoffatCOEoceneWasatch (WY)Mammals-Cantius,MicrosyopsCO0183|,
Timberlake QuarryMoffatCO40.6N,108.1WEoceneWasatch (WY)Mammals-Apheliscus,Cantius,Haplomylus,Microsyops,Niptomomys,TetoniusCO018440.6N,108.1W|,
Dolores RiverMontroseCOTriassicChinlevertebrates-ChinleaCO0186Chinlea appears to be a plant,not a vertebrate. CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
Dolores RiverMontroseCOParadox Valley in 120 meters of red bed depositsTriassicChinleVertebrates-Paleoniscoid fish; coelacanth fish;Labyrinthodonts-Rutiodon;Lungfish-Ceratodus;Phytosaurs; Plants-Phlebopteris,Osmundacaulis,Itopsdema[?],Neocalamites;Cycads-Zamites;Araucarioxylon,Woodworthia;Petrified wood; Pelecypods;WormsCO0187No citations for 'Itopsdema' or anything similar 050525|,
Dolores River CanyonMontroseCOS36T47NR19W -- several localitiesTriassicChinle UpperFish-Chinlea,Cionichthys,Semionotus,Synorichthys,Tanaocrossus,TurseodusCO0188S36T47NR19W|,
NaturitaMontroseCO160km S of Grand JunctionCretaceousMesaverdelarge dinosaur footprintsCO0189|,
Paradox ValleyMontroseCOJurassicMorrisondinosaur bones-CamarasaurusCO0190|,
Upper Potters CreekMontroseCOJurassicMorrisondinosaur teethCO0191|,
La JuntaOteroCOIn area shale exposuresCretaceousCarlisleOstrea,small shark teeth,thin flatfish scales,ammonites (Prionocyclus),large Inoceramus,Ostrea{4}CO0192|,
La JuntaOteroCOarea exposuresJurassicMorrisonagatized Dinosaur bone fragments{4}CO0193|,
La JuntaOteroCOin area shale exposuresCretaceousCarlisleOstrea,small shark teeth,thin flatfish scales,ammonites (Prionocyclus),large Inoceramus,Ostrea{4}CO0194|,
AlmaParkCO5 km N in Gulch on W side of Platte RiverCarboniferousCrinoid stems{4}CO0195|,
Boreas PassParkCOIn continuous belt through regionCretaceousDakotapelecypods - Ostrea,Inoceramus,Trigonarca,Cephalopods - Scaphites,Prionocyclus{4}CO0196|,
Buckskin Gulch(Alma District)ParkCOIn talus at base of slopeCambrian UpperBrachiopods - Billingsella{4}CO0197|,
London MountainParkCOalong Ridge W of summitCarboniferousCrinoid stems{4}CO0198|,
Quandary PeakParkCOCambrian UpperDikelocephalusCO0199|,
LamarProwersCO29 km S on CO 287Petrified Wood{4}CO0200|,
PuebloPuebloCOS in road cuts adjacent to rest area on I25 in limestonesCretaceousFort Hayes|GreenhornAmmonites,InoceramusCO0201|,
PuebloPuebloCOS on I25CretaceousGreenhornammonitesCO0202|,
-Rio BlancoCOEoceneGreen RiverInsect fossilsCO0204|,
-Rio BlancoCOPaleocene?Insects:Nematoceran,Pronemobius,Tipula,Eristalis,Coleopteran,PleciaCO0205|,
Piceance Creek BasinRio BlancoCOAt oil shale mineEoceneGreen Riverfish-KnightiaCO0203|,
Elk riverRouttCOS4t7Nr85WCretaceousMancosInoceramus,Scaphites,fish scales - Portheus,Ichthyodectes,Baculites,OstreaCO0206S4t7Nr85W|,
Trull Schoolhouse[?]RouttCOS28CretaceousMancosfossils{4}CO0207USGS search comes up with a Trull Creek (which is not labelled on the 1:25 map) near Lake Windemere at 40.5133N,106.9589W. Other than that,nothing.40.5133N,106.9589W. Questionable|,
OuraySan JuanCO2 km S in CliffsDevonianOurayabundant corals,worms,brachiopods,mollusksCO0208|,
OuraySan JuanCOE in cliffs adjacent to small waterfallPennsylvanianHermosaMyalina,other fossilsCO0209|,
PlacervilleSan MiguelCO4.8km SE in San Miguel River ValleyPermianCutlervertebrates-DiadectesCO0210CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
San MiguelSan MiguelCOTriassicChinle|DoloresFish-Cionichthys?CO0211|,
AllisonSummitCO3km N on E side of Piedra RiverPaleoceneAnimasvertebrates-Periptychus,PhenacodusCO0212CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
AllisonSummitCO5 km N on W side of Piedra RiverPaleoceneAnimasvertebrates-Ectiocion,PhenacodusCO0213CAUTION:Collecting vertebrate material in the US requires landowner or government permission|,
FlorissantTellerCOEoceneFish-TrichophanesCO0214|,
FlorissantTellerCOArea exposures. The majority of the exposure is within the National Monument,but there are some beds exposed on Hwy1 N and S of the monument and on US 20 East and West of the town of FlorissantOligoceneFlorissantfossil plants,insectsCO0215|,
FlorissantTellerCOClare Quarry (Fee)TertiaryinsectsCO0216|,
FlorissantTellerCOClare Quarry--reported open weekends in Summer-$5.00 fee. Number in phone bookInsectsCO0246|,
FlorissantTellerCOarea lakebed exposuresOligocenesnakefly,Dobson Flies,robber fly,butterflies,plants,Tsetse flies,horseflies{4}CO0218|,
FlorissantTellerCOfor fee collecting at Indian Crafts and Construction Co. Probably long since out of business.?CO0219|,
-WeldCOSW1/4S1/2S24R59T10Miocene (Barstow)Pawnee CreekMammals-Aphelops,Calippus,Miolabis,ProtolabisCO0237SW1/4S1/2S24R59T10|,
Big Spring QuarryWeldCOarea exposuresMiocene (Barstow)Pawnee Creekmammals-Aepycamelus,Aphelops,Desmatippus,Dromomeryx,Miolabis,Scaphohippus,TomarctusCO0220|,
Big SpringsWeldCOMiocene (Barstow)Pawnee Creekturtles-GeocheloneCO0221|,
East ValleyWeldCOMiocene (Barstow)Pawnee Creekmammals-Protolabis,ProsynthetocerasCO0222|,
Fossil HillWeldCOSection 8Miocene (Barstow)Pawnee Creekmammals-AphelopsCO0223|,
Fossil Ridge-GreeleyWeldCOpelecypod Pinna?CO0224|,
GroverWeldCOArea exposureMiocene (Barstow)Pawnee CreekTurtles-GeocheloneCO0225|,
Horse and Mastodon QuarryWeldCOMiocene (Barstow)Pawnee CreekAelurodon,Aepycamelus,Aphelops,Cosoryx,Desmatippus,Dromomeryx,Homocamelus,Hypohippus,Megahippus,Merychippus,Metalabis,Miolabis,Protolabis,Ustatochoerus,Zygolophodon;Turtles-GeocheloneCO0226|,
Horsetail CreekWeldCOOligoceneWhite RiverTurtles-Stylemys,TestudoCO0227Original says NE,but cant identify a Horsetail Creek in NE|,
KalouseWeldCOarea exposuresdinosaur bones,petrified wood{4}CO0228|,
Keota RdWeldCOarea exposures in Canyons W of Keota RdMiocene (Barstow)Pawnee Creekmammals-AphelopsCO0229|,
Pawnee ButtesWeldCOMiocene (Barstow)Pawnee Creekmammals-Agriochoerus,Amphicyon,Aphelops,Blastomeryx,Daphoenus,Daphoenus,Eumys,Hesperocyon,Hypisodus,Hyracodon,Megalagus,Merychippus,Merychyus,Miniochoerus,Miomastodon,Moropus,Palaeogale,Palaeolagus,Paradjidaumo,Parahippus,Protohippus,Protolabis,...CO0230|,
Pawnee ButtesWeldCO4.8km WMiocene (Barstow)Pawnee CreekTurtles-GeocheloneCO0231|,
Pawnee ButtesWeldCOEastOligoceneBrulemammals-ProsynthetocerasCO0232|,
Pawnee ButtesWeldCOSE at Pawnee QuarryMiocene (Barstow)Pawnee Creekturtles-GeocheloneCO0233|,
Pawnee ButtesWeldCOarea exposuresOligoceneDuchesne River?mammal bonesCO0234|,
Quarry HillWeldCO3.2km SMiocene (Barstow)Pawnee CreekTurtles-GeocheloneCO0235|,
Quarry HillWeldCONortheastMiocene (Barstow)Pawnee CreekTurtles-GeocheloneCO0236|,
ArickareeYumaCOnear Beecher Island in Arickaree RiverMioceneMiocene mammals - TeleocerasCO0238|,
Ute Trail Head[?]CO[?]EoceneGreen RiverBird feathers-DiatrymaCO0240The Ute Trail appears to be near Colorado Springs -- too far SE for Green River?|,
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