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Apternodus gregoryi Locality , Goshen County, Wyoming, USA

Mindat.org Locality PageGoshen County, Wyoming, USA
Lat/Long (Decimal)42,-104.2
Co-ordinates Derivationbased on political unit
Given LocationWyoming, United States
Mindat.org Region (for given coordinates)Goshen County, Wyoming, USA

Collections

CollectionReferenceStratigraphic NameCommentsLithologyAge
Carpenter Ranch BedsVanderhill J. B. (1980)20.43 - 15.97 Ma
Miocene
Spoon Butte BedsVanderhill J. B. (1980)23.03 - 5.333 Ma
Miocene
Eighteen Mile DistrictWang X., Tedford R. H., et al (1999)24.8 - 20.43 Ma
Cenozoic
Jay EmWahlert J. H., Souza R. A. (1988)Hemingford - Marsland= Upper Harrison bedsnot reported24.8 - 20.43 Ma
Cenozoic
LingleAlroy J. (2002)24.8 - 20.43 Ma
Cenozoic
Parahippus LevelSchlaikjer E. M. (1935)Hemingford - Marsland= Upper Harrison bedsnot reported24.8 - 20.43 Ma
Cenozoic
Podelack RanchWang X., Tedford R. H., et al (1999)Hemingford - Marsland= Upper Harrison bedsnot reported24.8 - 20.43 Ma
Cenozoic
Raw Hide Creek (Lower Harrison)Riggs E. S. (1942)Harrison24.8 - 20.43 Ma
Cenozoic
Raw Hide Creek (Upper Harrison)Wood A. E. (1936)Hemingford - Marsland= Upper Harrison bedsnot reported24.8 - 20.43 Ma
Cenozoic
Sand GulchWahlert J. H., Souza R. A. (1988)Hemingford - Marsland= Upper Harrison bedsnot reported24.8 - 20.43 Ma
Cenozoic
Sixteen Mile DistrictWang X., Tedford R. H., et al (1999)24.8 - 20.43 Ma
Cenozoic
Twelve-Fifteen Mile DistrictKorth W. W. (1997)24.8 - 20.43 Ma
Cenozoic
Twenty Mile DistrictWang X., Tedford R. H., et al (1999)24.8 - 20.43 Ma
Cenozoic
Twentyfive Mile DistrictWang X., Tedford R. H., et al (1999)Hemingford - Marsland= Upper Harrison bedsnot reported24.8 - 20.43 Ma
Cenozoic
Twentytwo Mile DistrictAlroy J. (2002)24.8 - 20.43 Ma
Cenozoic
Apternodus gregoryi Locality (Upper)Alroy J. (2002)Brule - uppernot reported30.8 - 20.43 Ma
Cenozoic
Bear Creek Mountain (East)Dawson M. R. (1958)Arikaree - Harrison - Lowernot reported30.8 - 20.43 Ma
Cenozoic
Bear Creek Mountain (Lower)Dawson M. R. (1958)Arikaree - Harrison - Lowernot reported30.8 - 20.43 Ma
Cenozoic
Bear Creek Mountain (West 1)Schultz C. B., Falkenbach C. H. (1968)Arikaree - Harrison - Lowernot reported30.8 - 20.43 Ma
Cenozoic
Bear Creek Mountain (West 2)Schlaikjer E. M. (1935)Arikaree - Harrison - Lowernot reported30.8 - 20.43 Ma
Cenozoic
Big Muddy CreekWahlert J. H. (1983)not reported30.8 - 20.43 Ma
Cenozoic
Deer CreekSchultz C. B., Falkenbach C. H. (1947)Arikaree - Harrison - Lowernot reported30.8 - 20.43 Ma
Cenozoic
Dog Jaw ButteVanderhill J. B. (1980)White River30.8 - 20.43 Ma
Cenozoic
Dog SkullWang X. (1994)30.8 - 20.43 Ma
Cenozoic
Fox Creek GapAlroy J. (2002)Arikaree - Harrison - Lowernot reported30.8 - 20.43 Ma
Cenozoic
Horse Creek (Wyoming)Xu X. (1996)30.8 - 20.43 Ma
Cenozoic
Lay Ranch BedsHunt, Jr. R. M. (1985)said to be late Arikareean\nrocks are roughly Upper Harrison equivalent and significantly older than those of the Spoon Butte Beds (see)30.8 - 20.43 Ma
Cenozoic
Lone Tree CanyonWang X. (1994)30.8 - 20.43 Ma
Cenozoic
North Platte RiverAlroy J. (2002)Arikaree - Harrison - Lowernot reported30.8 - 20.43 Ma
Cenozoic
Palustrimus LocalityAlroy J. (2002)30.8 - 20.43 Ma
Cenozoic
Sixty Six Mountain (Lower)Alroy J. (2002)30.8 - 20.43 Ma
Cenozoic
Sixty Six Mountain (Upper)Wood A. E. (1936)Arikaree - Harrison - Lowernot reported30.8 - 20.43 Ma
Cenozoic
YBO RanchAlroy J. (2002)Arikaree - Harrison - Lowernot reported30.8 - 20.43 Ma
Cenozoic
Driscol CanyonKorth W. W. (1987)Brulesaid to be Whitneyan33.3 - 30.8 Ma
Oligocene
Hall Ranch (Wyoming)Wang X. (1994)33.3 - 30.8 Ma
Oligocene
Sixty Six Mountain (Whitneyan)Stevens M. S., Stevens J. B. (1996)33.3 - 30.8 Ma
Oligocene
Apternodus gregoryi Locality (Middle)Schlaikjer E. M. (1933)Brule - lowernot reported33.9 - 33.3 Ma
Oligocene
Cherry CreekAlroy J. (2002)33.9 - 33.3 Ma
Oligocene
Harvard Fossil Reserve (Lower Level)Schlaikjer E. M. (1935)Brule - lowernot reported33.9 - 33.3 Ma
Oligocene
Harvard Fossil Reserve (Main Level)Alroy J. (2002)Brule - lowernot reported33.9 - 33.3 Ma
Oligocene
Lone Tree CanyonAlroy J. (2002)Brule - PoleslideLeptauchenia beds = Poleslide Membernot reported33.9 - 33.3 Ma
Oligocene
Apternodus gregoryi Locality (Lower)Schlaikjer E. M. (1933)Chadronsingle specimen from a single bedclaystone37.2 - 33.9 Ma
Paleogene
Goshen Hole (Chadron 1)Alroy J. (2002)Chadron37.2 - 33.9 Ma
Paleogene
Goshen Hole (Chadron 2)Schlaikjer E. M. (1935)Chadron37.2 - 33.9 Ma
Paleogene
Goshen Hole (Chadron 3)Schlaikjer E. M. (1935)Chadron37.2 - 33.9 Ma
Paleogene
YoderKihm A. J. (1987)Chadron - Yodersiltstone37.2 - 33.9 Ma
Paleogene

Recorded Fossils

Accepted NameHierarchyAge
Heptacodon sp.
genus
Animalia : Chordata : Mammalia : Artiodactyla : Anthracotheriidae : Heptacodon37.2 - 33.9 Ma
Paleogene
Antilocapridae
family
Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae23.03 - 5.333 Ma
Miocene
Camelidae
family
Animalia : Chordata : Mammalia : Artiodactyla : Camelidae30.8 - 20.43 Ma
Cenozoic
Miotylopus gibbi
species
Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Miotylopus : Miotylopus gibbi30.8 - 20.43 Ma
Cenozoic
Miotylopus leonardi
species
Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Miotylopus : Miotylopus leonardi30.8 - 20.43 Ma
Cenozoic
Miotylopus taylori
species
Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Miotylopus : Miotylopus taylori30.8 - 20.43 Ma
Cenozoic
Poebrotherium sp.
genus
Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Poebrotherium33.9 - 33.3 Ma
Oligocene
Pseudolabis dakotensis
species
Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Pseudolabis : Pseudolabis dakotensis30.8 - 20.43 Ma
Cenozoic
Stenomylus gracilis
24.8 - 20.43 Ma
Cenozoic
Stenomylus hitchcocki
30.8 - 20.43 Ma
Cenozoic
Tanymykter brachyodontus
species
Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Tanymykter : Oxydactylus brachyodontus24.8 - 20.43 Ma
Cenozoic
Archaeotherium sp.
genus
Animalia : Chordata : Mammalia : Artiodactyla : Entelodontidae : Archaeotherium37.2 - 33.9 Ma
Paleogene
Archaeotherium mortoni
species
Animalia : Chordata : Mammalia : Artiodactyla : Entelodontidae : Archaeotherium : Archaeotherium mortoni33.9 - 33.3 Ma
Oligocene
Archaeotherium palustris
species
Animalia : Chordata : Mammalia : Artiodactyla : Entelodontidae : Archaeotherium : Archaeotherium palustris33.9 - 33.3 Ma
Oligocene
Dinohyus sp.
genus
Animalia : Chordata : Mammalia : Artiodactyla : Entolodontidae : Dinohyus30.8 - 20.43 Ma
Cenozoic
Dinohyus minimus
species
Animalia : Chordata : Mammalia : Artiodactyla : Entelodontidae : Dinohyus : Dinohyus minimus30.8 - 20.43 Ma
Cenozoic
Entelodontidae
family
Animalia : Chordata : Mammalia : Artiodactyla : Entelodontidae20.43 - 15.97 Ma
Miocene
Nanotragulus loomisi
species
Animalia : Chordata : Mammalia : Artiodactyla : Hypertragulidae : Nanotragulus : Nanotragulus loomisi30.8 - 20.43 Ma
Cenozoic
Hypisodus alacer
species
Animalia : Chordata : Mammalia : Artiodactyla : Hypertragulidae : Hypisodus : Hypisodus alacer33.9 - 33.3 Ma
Oligocene
Stibarus yoderensis
37.2 - 33.9 Ma
Paleogene
Leptomeryx sp.
genus
Animalia : Chordata : Mammalia : Artiodactyla : Leptomerycidae : Leptomeryx37.2 - 33.9 Ma
Paleogene
Leptomeryx evansi
species
Animalia : Chordata : Mammalia : Artiodactyla : Leptomerycidae : Leptomeryx : Leptomeryx evansi37.2 - 33.9 Ma
Paleogene
Leptomeryx yoderi
species
Animalia : Chordata : Mammalia : Artiodactyla : Leptomerycidae : Leptomeryx : Leptomeryx yoderi37.2 - 33.9 Ma
Paleogene
Bathygenys alpha
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Bathygenys : Bathygenys alpha37.2 - 33.9 Ma
Paleogene
Desmatochoerus megalodon
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Desmatochoerus : Desmatochoerus megalodon30.8 - 20.43 Ma
Cenozoic
Leptauchenia sp.
genus
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia30.8 - 20.43 Ma
Cenozoic
Leptauchenia decora
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Leptauchenia decora33.3 - 30.8 Ma
Oligocene
Leptauchenia major
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Leptauchenia major30.8 - 20.43 Ma
Cenozoic
Merychyus sp.
genus
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merychyus30.8 - 20.43 Ma
Cenozoic
Merychyus arenarum
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merychyus : Merychyus arenarum24.8 - 20.43 Ma
Cenozoic
Merychyus minimus
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merychyus : Merychyus minimus24.8 - 20.43 Ma
Cenozoic
Merycochoerus magnus
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merycochoerus : Merycochoerus magnus20.43 - 15.97 Ma
Miocene
Merycochoerus matthewi
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merycochoerus : Merycochoerus matthewi24.8 - 20.43 Ma
Cenozoic
Merycoides longiceps
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merycoides : Merycoides longiceps24.8 - 20.43 Ma
Cenozoic
Merycoidodon sp.
genus
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merycoidodon37.2 - 33.9 Ma
Paleogene
Merycoidodon (Otarohyus) major
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merycoidodon : Merycoidodon (Otarohyus) major33.3 - 30.8 Ma
Oligocene
Merycoidodontidae
family
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae30.8 - 20.43 Ma
Cenozoic
Mesoreodon chelonyx
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Mesoreodon : Mesoreodon chelonyx30.8 - 20.43 Ma
Cenozoic
Mesoreodon minor
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Mesoreodon : Mesoreodon minor30.8 - 20.43 Ma
Cenozoic
Paramerychyus harrisonensis
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Paramerychyus : Paramerychyus harrisonensis24.8 - 20.43 Ma
Cenozoic
Paramerychyus relictus
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Paramerychyus : Eporeodon relictus30.8 - 20.43 Ma
Cenozoic
Promerycochoerus superbus
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Promerycochoerus : Promerycochoerus superbus30.8 - 20.43 Ma
Cenozoic
Pseudodesmatochoerus hoffmani
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Pseudodesmatochoerus : Pseudodesmatochoerus hoffmani30.8 - 20.43 Ma
Cenozoic
Sespia nitida
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Sespia : Leptauchenia nitida30.8 - 20.43 Ma
Cenozoic
Moschidae
family
Animalia : Chordata : Mammalia : Artiodactyla : Moschidae23.03 - 5.333 Ma
Miocene
Pseudoblastomeryx advena
species
Animalia : Chordata : Mammalia : Artiodactyla : Moschidae : Pseudoblastomeryx : Blastomeryx advena24.8 - 20.43 Ma
Cenozoic
Aletomeryx sp.
genus
Animalia : Chordata : Mammalia : Artiodactyla : Palaeomerycidae : Aletomeryx20.43 - 15.97 Ma
Miocene
Dromomerycinae
subfamily
Animalia : Chordata : Mammalia : Artiodactyla : Palaeomerycidae : Dromomerycinae23.03 - 5.333 Ma
Miocene
Leptotragulus ultimus
species
Animalia : Chordata : Mammalia : Artiodactyla : Protoceratidae : Leptotragulus : Leptotragulus ultimus37.2 - 33.9 Ma
Paleogene
Pseudoprotoceras longinaris
species
Animalia : Chordata : Mammalia : Artiodactyla : Protoceratidae : Pseudoprotoceras : Pseudoprotoceras longinaris37.2 - 33.9 Ma
Paleogene
Pseudoprotoceras minor
species
Animalia : Chordata : Mammalia : Artiodactyla : Protoceratidae : Pseudoprotoceras : Poabromylus minor37.2 - 33.9 Ma
Paleogene
Tayassuidae
family
Animalia : Chordata : Mammalia : Artiodactyla : Tayassuidae23.03 - 5.333 Ma
Miocene
Wrightohyus yatkolai
species
Animalia : Chordata : Mammalia : Artiodactyla : Tayassuidae : Wrightohyus : Wrightohyus yatkolai24.8 - 20.43 Ma
Cenozoic
Adilophontes brachykolos
species
Animalia : Chordata : Mammalia : Carnivora : Amphicyonidae : Adilophontes : Adilophontes brachykolos24.8 - 20.43 Ma
Cenozoic
Amphicyonidae
family
Animalia : Chordata : Mammalia : Carnivora : Amphicyonidae20.43 - 15.97 Ma
Miocene
Brachyrhynchocyon dodgei
species
Animalia : Chordata : Mammalia : Carnivora : Amphicyonidae : Brachyrhynchocyon : Brachyrhynchocyon dodgei37.2 - 33.9 Ma
Paleogene
Daphoenodon falkenbachi
species
Animalia : Chordata : Mammalia : Carnivora : Amphicyonidae : Daphoenodon : Daphoenodon falkenbachi24.8 - 20.43 Ma
Cenozoic
Ysengrinia americana
species
Animalia : Chordata : Mammalia : Carnivora : Amphicyonidae : Ysengrinia : Amphicyon americanus30.8 - 20.43 Ma
Cenozoic
Archaeocyon falkenbachi
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Archaeocyon : Archaeocyon falkenbachi30.8 - 20.43 Ma
Cenozoic
Archaeocyon leptodus
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Archaeocyon : Archaeocyon leptodus33.3 - 30.8 Ma
Oligocene
Borophaginae
subfamily
Animalia : Chordata : Mammalia : Carnivora : Canidae : Borophaginae20.43 - 15.97 Ma
Miocene
Caedocyon tedfordi
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Caedocyon : Caedocyon tedfordi30.8 - 20.43 Ma
Cenozoic
Canidae
family
Animalia : Chordata : Mammalia : Carnivora : Canidae23.03 - 5.333 Ma
Miocene
Cormocyon haydeni
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Cormocyon : Cormocyon haydeni30.8 - 20.43 Ma
Cenozoic
Cynarctoides acridens
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Cynarctoides : Cynarctoides acridens24.8 - 20.43 Ma
Cenozoic
Cynarctoides luskensis
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Cynarctoides : Cynarctoides luskensis24.8 - 20.43 Ma
Cenozoic
Desmocyon thomsoni
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Desmocyon : Cynodesmus thomsoni24.8 - 20.43 Ma
Cenozoic
Enhydrocyon pahinsintewakpa
30.8 - 20.43 Ma
Cenozoic
Hesperocyon sp.
genus
Animalia : Chordata : Mammalia : Carnivora : Canidae : Hesperocyon30.8 - 20.43 Ma
Cenozoic
Hesperocyon gregarius
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Hesperocyon : Canis gregarius33.9 - 33.3 Ma
Oligocene
Mesocyon temnodon
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Mesocyon : Cynodictis temnodon33.3 - 30.8 Ma
Oligocene
Osbornodon brachypus
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Osbornodon : Canis brachypus24.8 - 20.43 Ma
Cenozoic
Otarocyon cooki
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Otarocyon : Cynodesmus cooki30.8 - 20.43 Ma
Cenozoic
Paraenhydrocyon josephi
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Paraenhydrocyon : Paraenhydrocyon josephi30.8 - 20.43 Ma
Cenozoic
Phlaocyon leucosteus
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Phlaocyon : Phlaocyon leucosteus20.43 - 15.97 Ma
Miocene
Phlaocyon minor
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Phlaocyon : Phlaocyon minor24.8 - 20.43 Ma
Cenozoic
Megalictis ferox
species
Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Megalictis : Megalictis ferox24.8 - 20.43 Ma
Cenozoic
Mustelidae
family
Animalia : Chordata : Mammalia : Carnivora : Mustelidae30.8 - 20.43 Ma
Cenozoic
Promartes olcotti
species
Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Promartes : Promartes olcotti24.8 - 20.43 Ma
Cenozoic
Palaeogale sanguinarius
species
Animalia : Chordata : Mammalia : Carnivora : Palaeogale : Palaeogale sanguinarius30.8 - 20.43 Ma
Cenozoic
Cephalogale sp.
genus
Animalia : Chordata : Mammalia : Carnivora : Hemicyonidae : Cephalogale24.8 - 20.43 Ma
Cenozoic
Parictis parvus
species
Animalia : Chordata : Mammalia : Carnivora : Phocidae : Parictis : Parictis parvus37.2 - 33.9 Ma
Paleogene
Microchiroptera
suborder
Animalia : Chordata : Mammalia : Chiroptera : Microchiroptera37.2 - 33.9 Ma
Paleogene
Didelphinae
subfamily
Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : Didelphinae37.2 - 33.9 Ma
Paleogene
Hyaenodon horridus
species
Animalia : Chordata : Mammalia : Hyaenodontidae : Hyaenodon : Hyaenodon horridus37.2 - 33.9 Ma
Paleogene
Hyaenodon venturae
species
Animalia : Chordata : Mammalia : Hyaenodonta : Hyaenodontidae : Hyaenodon : Hyaenodon venturae37.2 - 33.9 Ma
Paleogene
Hemipsalodon grandis
species
Animalia : Chordata : Mammalia : Hyaenodonta : Hyainailouridae : Hemipsalodon : Hemipsalodon grandis37.2 - 33.9 Ma
Paleogene
Lagomorpha
order
Animalia : Chordata : Mammalia : Lagomorpha30.8 - 20.43 Ma
Cenozoic
Megalagus primitivus
species
Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Megalagus : Hypolagus primitivus30.8 - 20.43 Ma
Cenozoic
Palaeolagus haydeni
species
Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Palaeolagus : Palaeolagus haydeni33.9 - 33.3 Ma
Oligocene
Palaeolagus hypsodus
species
Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Palaeolagus : Palaeolagus hypsodus30.8 - 20.43 Ma
Cenozoic
Palaeolagus philoi
species
Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Palaeolagus : Palaeolagus philoi30.8 - 20.43 Ma
Cenozoic
Centetodon magnus
species
Animalia : Chordata : Mammalia : Lipotyphla : Geolabididae : Centetodon : Centetodon magnus37.2 - 33.9 Ma
Paleogene
Apternodus gregoryi
species
Animalia : Chordata : Mammalia : Apternodontidae : Apternodus : Apternodus gregoryi33.9 - 33.3 Ma
Oligocene
Epoicotherium unicum
species
Animalia : Chordata : Mammalia : Epoicotheriidae : Epoicotherium : Epoicotherium unicum37.2 - 33.9 Ma
Paleogene
Megacerops sp.
genus
Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae : Megacerops37.2 - 33.9 Ma
Paleogene
Megacerops osborni
species
Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae : Megacerops : Ateleodon osborni37.2 - 33.9 Ma
Paleogene
Menops marshi
species
Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae : Megacerops : Menops marshi37.2 - 33.9 Ma
Paleogene
Chalicotheriidae
family
Animalia : Chordata : Mammalia : Perissodactyla : Chalicotheriidae20.43 - 15.97 Ma
Miocene
Moropus sp.
genus
Animalia : Chordata : Mammalia : Perissodactyla : Chalicotheriidae : Moropus30.8 - 20.43 Ma
Cenozoic
Moropus hollandi
species
Animalia : Chordata : Mammalia : Perissodactyla : Chalicotheriidae : Moropus : Moropus hollandi24.8 - 20.43 Ma
Cenozoic
Desmatippus sp.
genus
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Desmatippus23.03 - 5.333 Ma
Miocene
Equidae
family
Animalia : Chordata : Mammalia : Perissodactyla : Equidae30.8 - 20.43 Ma
Cenozoic
Equinae
subfamily
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Hippodon : Equinae23.03 - 5.333 Ma
Miocene
Kalobatippus agatensis
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Kalobatippus : Kalobatippus agatensis24.8 - 20.43 Ma
Cenozoic
Kalobatippus avus
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Kalobatippus : Kalobatippus avus30.8 - 20.43 Ma
Cenozoic
Mesohippus bairdi
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Mesohippus : Mesohippus bairdi37.2 - 33.9 Ma
Paleogene
Miohippus sp.
genus
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Miohippus30.8 - 20.43 Ma
Cenozoic
Miohippus obliquidens
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Miohippus : Miohippus obliquidens33.9 - 33.3 Ma
Oligocene
Parahippus pristinus
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Parahippus : Parahippus pristinus30.8 - 20.43 Ma
Cenozoic
Parahippus wyomingensis
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Parahippus : Parahippus wyomingensis24.8 - 20.43 Ma
Cenozoic
Protohippus perditus
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Protohippus : Protohippus perditus23.03 - 5.333 Ma
Miocene
Hyracodon petersoni
species
Animalia : Chordata : Mammalia : Perissodactyla : Hyracodontidae : Hyracodon : Hyracodon petersoni37.2 - 33.9 Ma
Paleogene
Toxotherium hunteri
species
Animalia : Chordata : Mammalia : Perissodactyla : Toxotherium : Toxotherium hunteri37.2 - 33.9 Ma
Paleogene
Diceratherium sp.
genus
Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Diceratherium30.8 - 20.43 Ma
Cenozoic
Diceratherium tridactylum
species
Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Aceratherium : Aceratherium tridactylus33.3 - 30.8 Ma
Oligocene
Menoceras sp.
genus
Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Menoceras30.8 - 20.43 Ma
Cenozoic
Menoceras arikarense
species
Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Menoceras : Menoceras arikarense23.03 - 5.333 Ma
Miocene
Penetrigonias sp.
genus
Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Penetrigonias37.2 - 33.9 Ma
Paleogene
Rhinocerotidae
family
Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae30.8 - 20.43 Ma
Cenozoic
Subhyracodon sp.
genus
Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Subhyracodon37.2 - 33.9 Ma
Paleogene
Subhyracodon occidentalis
species
Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Subhyracodon : Subhyracodon occidentalis33.9 - 33.3 Ma
Oligocene
Miotapirus harrisonensis
species
Animalia : Chordata : Mammalia : Perissodactyla : Tapiridae : Miotapirus : Miotapirus harrisonensis24.8 - 20.43 Ma
Cenozoic
Tapiridae
family
Animalia : Chordata : Mammalia : Perissodactyla : Tapiridae23.03 - 5.333 Ma
Miocene
Gomphotheriidae
family
Animalia : Chordata : Mammalia : Proboscidea : Gomphotheriidae23.03 - 5.333 Ma
Miocene
Geomyoidea
superfamily
Animalia : Chordata : Mammalia : Rodentia : Geomyoidea30.8 - 20.43 Ma
Cenozoic
Rodentia
order
Animalia : Chordata : Mammalia : Rodentia30.8 - 20.43 Ma
Cenozoic
Aplodontidae
family
Animalia : Chordata : Mammalia : Rodentia : Aplodontidae37.2 - 33.9 Ma
Paleogene
Castoridae
family
Animalia : Chordata : Mammalia : Rodentia : Castoridae30.8 - 20.43 Ma
Cenozoic
Palaeocastor nebrascensis
30.8 - 20.43 Ma
Cenozoic
Eumys elegans
species
Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Eumys : Eumys elegans30.8 - 20.43 Ma
Cenozoic
Scottimus kellamorum
species
Animalia : Chordata : Mammalia : Rodentia : Muridae : Scottimus : Scottimus kellamorum30.8 - 20.43 Ma
Cenozoic
Adjidaumo minimus
species
Animalia : Chordata : Mammalia : Rodentia : Eomyidae : Adjidaumo : Adjidaumo minimus37.2 - 33.9 Ma
Paleogene
Paradjidaumo trilophus
species
Animalia : Chordata : Mammalia : Rodentia : Eomyidae : Paradjidaumo : Paradjidaumo trilophus37.2 - 33.9 Ma
Paleogene
Yoderimys bumpi
species
Animalia : Chordata : Mammalia : Rodentia : Eomyidae : Yoderimys : Yoderimys bumpi37.2 - 33.9 Ma
Paleogene
Florentiamys loomisi
species
Animalia : Chordata : Mammalia : Rodentia : Florentiamyidae : Florentiamys : Florentiamys loomisi30.8 - 20.43 Ma
Cenozoic
Sanctimus simonisi
species
Animalia : Chordata : Mammalia : Rodentia : Florentiamyidae : Sanctimus : Sanctimus simonisi30.8 - 20.43 Ma
Cenozoic
Sanctimus stouti
species
Animalia : Chordata : Mammalia : Rodentia : Florentiamyidae : Sanctimus : Sanctimus stouti30.8 - 20.43 Ma
Cenozoic
Sanctimus stuartae
species
Animalia : Chordata : Mammalia : Rodentia : Florentiamyidae : Sanctimus : Sanctimus stuartae30.8 - 20.43 Ma
Cenozoic
Entoptychus sp.
genus
Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Entoptychus30.8 - 20.43 Ma
Cenozoic
Gregorymys riggsi
species
Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Gregorymys : Gregorymys riggsi24.8 - 20.43 Ma
Cenozoic
Proharrymys schlaikjeri
species
Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Proharrymys : Heliscomys schlaikjeri30.8 - 20.43 Ma
Cenozoic
Schizodontomys sulcidens
species
Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Schizodontomys : Schizodontomys sulcidens24.8 - 20.43 Ma
Cenozoic
Ischyromys typus
species
Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Ischyromys : Ischyromys typus33.9 - 33.3 Ma
Oligocene
Mylagaulidae
family
Animalia : Chordata : Mammalia : Rodentia : Mylagaulidae30.8 - 20.43 Ma
Cenozoic
Diplolophus insolens
species
Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Diplolophus : Diplolophus insolens33.9 - 33.3 Ma
Oligocene
Oligospermophilus sp.
genus
Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Oligospermophilus33.3 - 30.8 Ma
Oligocene
Helodermoides tuberculatus
species
Animalia : Chordata : Reptilia : Squamata : Anguidae : Helodermoides : Helodermoides tuberculatus37.2 - 33.9 Ma
Paleogene
Xenochelys formosa
species
Animalia : Chordata : Reptilia : Testudines : Kinosternidae : Xenochelys : Xenochelys formosa37.2 - 33.9 Ma
Paleogene

References

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Schlaikjer E. M. (1933) A detailed study of the structure and relationships of a new zalambdodont insectivore from the Middle Oligocene, Bulletin of the Museum of Comparative Zoology 76 1, 1-28
Schlaikjer E. M. (1934) A new fossil zalambdodont insectivore, American Museum Novitates 698
Schlaikjer E. M. (1935) Contributions to the Stratigraphy and Palaeontology of the Goshen Hole Area, Wyoming. III. A New Basal Oligocene Formation, Bulletin of the Museum of Comparative Zoology 76 3, 71-93
Wood A. E. (1936) Geomyid rodents from the Middle Tertiary, American Museum Novitates 866
Wood A. E. (1936) A new subfamily of heteromyid rodents from the Miocene of western United States, American Journal of Science 231, 41-49
Schlaikjer E. M. (1937) A New Tapir from the Lower Miocene of Wyoming, Bulletin of the Museum of Comparative Zoology 80 4, 231-251
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Schultz C. B., Falkenbach C. H. (1947) Merychyinae, a subfamily of oreodonts, Bulletin of the American Museum of Natural History 88 4, 157-286
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Dawson M. R. (1958) Later Tertiary Leoporidae of North America, University of Kansas Paleontological Contributions Vertebrata 6, 1-75
Black C. C. (1961) New rodents from the early Miocene deposits of SixtySix Mountain, Wyoming, Breviora 146
Frick C., Taylor B. E. (1968) A Generic Review of the Stenomyline Camels, American Museum Novitates 2353, 1-51
Schultz C. B., Falkenbach C. H. (1968) The Phylogeny of the Oreodonts. Part 1: Merycoidodontinae, Eporeodontinae, and Leptaucheniinae, Three Subfamilies Of Oreodonts, With an Appendix to the Revision Of The Merycoidodontidae, and Part 2. Summary and Conclusions Concerning the Merycoidodontidae, Bulletin of the American Museum of Natural History 139, 1-498
Honey J. G., Taylor B. E. (1978) A generic revision of the Protolabidini (Mammalia, Camelidae), with a description of two new protolabidines, Bulletin of the American Museum of Natural History 161 3, 367-426
Coombs M. C. (1978) Reevaluation of Early Miocene North American Moropus (Perissodactyla, Chalicotheriidae, Schizotheriinae), Bulletin of the Carnegie Museum of Natural History 4, 1-62
Sullivan R. M. (1979) Revision of the Paleogene genus Glyptosaurus (Reptilia, Anguidae), Bulletin of the American Museum of Natural History 163 1, 1-72
Vanderhill J. B. (1980) , Geology and paleontology of the Patrick Buttes, Sioux County, Nebraska, and Goshen County, Wyoming, 1-98
Wahlert J. H. (1983) Relationships of the Florentiamyidae (Rodentia, Geomyoidea) based on cranial and dental morphology, American Museum Novitates 2769, 1-23
Skolnick R. (1985) , Proceedings of the Nebraska Academy of Sciences 95, 54
Hunt, Jr. R. M. (1985) Geology and paleontology of the Patrick Buttes, Wyoming-Nebraska, National Geographic Society Research Reports 20, 399-416
Kihm A. J. (1987) Mammalian paleontology and geology of the Yoder Member, Chadron Formation, east-central Wyoming, Dakoterra 3, 28-45
Korth W. W. (1987) Sciurid rodents (Mammalia) from the Chadronian and Orellan (Oligocene) of Nebraska, Journal of Paleontology 61 6, 1247-1255
Wahlert J. H., Souza R. A. (1988) Skull morphology of Gregorymys and relationships of the Entoptychinae (Rodentia, Geomyidae), American Museum Novitates 2922, 1-13
Hanson C. B. (1989) Teletaceras Radinskyi, A New Primitive Rhinocerotid from the Late Eocene Clarno Formation, Oregon, The Evolution of Perissodactyls
Hutchison J. H. (1991) Early Kinosterninae (Reptilia: Testudines) and their phylogenetic significance, Journal of Vertebrate Paleontology 11 2, 145-167
Bryant H. N. (1993) Carnivora and Creodonta of the Calf Creek Local Fauna (Late Eocene, Chadronian), Cypress Hills Formation, Saskatchewan, Journal of Paleontology 67 6, 1032-1046
Wang X. (1994) Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae), Bulletin of the American Museum of Natural History 221, 1-207
Prothero D. R. (1996) Camelidae, The Terrestrial Eocene-Oligocene Transition in North America, 609-651
Xu X. (1996) Castoridae, The Terrestrial Eocene-Oligocene Transition in North America, 412-432 doi:10.1017/CBO9780511665431.021
Stevens M. S., Stevens J. B. (1996) Merycoidodontinae and Miniochoerinae, The Terrestrial Eocene-Oligocene Transition in North America, 498-573
Hunt, Jr. R. M., Skolnick R. (1996) The giant mustelid Megalictis from the Early Miocene carnivore dens at Agate Fossil Beds National Monument, Nebraska: earliest evidence of dimorphism in New World Mustelidae (Carnivora, Mammalia), Contributions to Geology, University of Wyoming 31 1, 35-48
Korth W. W. (1997) A new subfamily of primitive pocket mice (Rodentia, Heteromyidae) from the middle Tertiary of North America, Paludicola 1 2, 33-66
Hunt, Jr. R. M. (1998) Ursidae, Evolution of Tertiary Mammals of North America 1, 174-195
Lavrov A. V., Emry R. J. (1998) Hyaenodon venturae (Hyaenodontidae, Creodonta, Mammalia) from the early Chadronian (latest Eocene) of Wyoming, Journal of Paleontology 72 4, 752-757
Wang X., Tedford R. H., et al (1999) Phylogenetic systematics of the Borophaginae (Carnivora: Canidae), Bulletin of the American Museum of Natural History 243, 1-392
Hunt, Jr. R. M. (2002) Intercontinental migration of Neogene amphicyonids (Mammalia, Carnivora): appearance of the Eurasian beardog Ysengrinia in North America, American Museum Novitates 3384, 1-53
Hunt, Jr. R. M. (2002) New amphicyonid carnivorans (Mammalia, Daphoeninae) from the early Miocene of southeastern Wyoming, American Museum Novitates 3385, 1-41
Alroy J. (2002) Synonymies and reidentifications of North American fossil mammals
Prothero D. R. (2005) The Evolution of North American Rhinoceroses, 1-218
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Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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