Hyopsodus Hill: Bridgerian, Wyoming
collected by A. Wood
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Chiroptera
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Chiroptera indet.
Blumenbach 1779
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McKenna et al. 1962 | |||||||||
Mammalia
- Condylarthra
- Hyopsodontidae
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Hyopsodus lepidus
Matthew 1909
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Mammalia
- Rodentia
- Paramyidae
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Paramys excavatus
Loomis 1907
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= Paramyidae informal indet. A
Miller and Gidley 1918
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Korth 1984 | |||||||||
generically indeterminate; referred to "P. excavatus nr. gardneri" by Wood 1962 | ||||||||||
Leptotomus sp.
Matthew 1910
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= Paramyidae informal indet. B
Miller and Gidley 1918
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Alroy 2002 | |||||||||
Mammalia
- Rodentia
- Sciuravidae
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Taxymys lucaris
Marsh 1872
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Sciuravus nitidus
Marsh 1871
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Mammalia
- Rodentia
- Ischyromyidae
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Microparamys wyomingensis n. sp.
Wood 1959
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Paramys delicatior
Leidy 1871
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Mammalia
- Rodentia
- Reithroparamyidae
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Reithroparamys delicatissimus
(Leidy 1871)
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Mammalia
- Primates
- Microsyopidae
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Uintasorex parvulus
Matthew 1909
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(1 measurement) | ||||||||||
Microsyops cf. annectens
(Marsh 1872)
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West and Atkins 1970 | |||||||||
Mammalia
- Primates
- Omomyidae
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Washakius insignis
Leidy 1873
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(4 measurements) | ||||||||||
Mammalia
- Perissodactyla
- Hyrachyidae
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Hyrachyus cf. eximius
Leidy 1871
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(1 measurement) | ||||||||||
Mammalia
- Perissodactyla
- Brontotheriidae
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Manteoceras manteoceras
(Osborn in Matthew 1899)
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(1 measurement) | ||||||||||
Mammalia
- Perissodactyla
- Equidae
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Orohippus sp.
Marsh 1872
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two forms | ||||||||||
Mammalia
- Phenacodontidae
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Phenacodus primaevus
(Cope 1873)
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= Phenacodus sp.
Cope 1873
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West and Atkins 1970 | |||||||||
Mammalia
- Diacodexeidae
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Neodiacodexis emryi
West and Atkins 1970
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West and Atkins 1970 | |||||||||
Mammalia
- Creodonta
- Hyaenodontidae
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Sinopa major
Wortman 1902
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Tomiya et al. 2021 | |||||||||
Mammalia
- Geolabididae
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Centetodon pulcher
Marsh 1872
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McKenna et al. 1962 | |||||||||
Centetodon bembicophagus
Lillegraven et al. 1981
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Lillegraven et al. 1981 | |||||||||
Didelphodus altidens
(Marsh 1872)
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McKenna et al. 1962 | |||||||||
Diacodon bacchanalis n. sp.
McGrew et al. 1959
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Mammalia
- Apternodontidae
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Soricidae indet.
Fischer 1814
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= Apternodontidae indet.
Matthew 1910
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McKenna et al. 1962 | |||||||||
Mammalia
- Nyctitheriidae
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Nyctitherium velox
Marsh 1872
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described by Krishtalka 1976b | ||||||||||
Scenopagus priscus
(Marsh 1872)
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Krishtalka 1976 | |||||||||
a new specimen (AMNH 56060) not described earlier | ||||||||||
Talpavus cf. nitidus
Marsh 1872
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McKenna et al. 1962 | |||||||||
supported by Krishtalka 1976a, contra Russell et al. 1975 | ||||||||||
Mammalia
- Apatemyidae
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Apatemys sp.
Marsh 1872
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West and Atkins 1970 | |||||||||
Mammalia
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Peratherium sp.
Aymard 1850
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= Herpetotheriinae indet.
Trouessart 1879
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Alroy 2002 | |||||||||
about the size of P. comstocki | ||||||||||
Peratherium knighti n. sp.
McGrew et al. 1959
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(5 measurements) | ||||||||||
Reptilia
- Crocodylia
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Crocodylia indet.
(Owen 1842)
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Hecht 1959 | |||||||||
"Crocodilia", scattered fragmentary remains; no specimen no.s given | ||||||||||
Reptilia
- Teiidae
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Teiidae indet.
Gray 1827
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Hecht 1959 | 1 specimen | ||||||||
AMNH 3812, badly broken dentaries | ||||||||||
Reptilia
- Rhineuridae
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Rhineura sp.
Cope 1861
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Hecht 1959 | 1 specimen | ||||||||
AMNH 3811 | ||||||||||
Lestophis sp.
Marsh 1885
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Hecht 1959 | 2 specimens | ||||||||
AMNH 3824, incomplete vertebra; AMNH 3825, vertebra | ||||||||||
Reptilia
- Anguidae
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Xestops sp.
Cope 1873
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Hecht 1959 | 1 specimen | ||||||||
AMNH 3834, two osteoscutes | ||||||||||
cf. Xestops sp.
Cope 1873
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ElShafie 2024 | |||||||||
Dimetopisaurus wyomingensis n. sp.
Hecht 1959
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Hecht 1959 | 1 specimen | ||||||||
AMNH 3819 (holotype), single frontal | ||||||||||
Reptilia
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Peltosaurus sp.
Cope 1873
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Hecht 1959 | |||||||||
"several incomplete dentaries" | ||||||||||
Saniwa sp.
Leidy 1870
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Hecht 1959 | |||||||||
AMNH 3813, vertebrae from the anterior and posterior thoracic region and the caudal region; AMNH 3814, almost complete dentary; multiple other specimens not described | ||||||||||
Thinosaurus stenodon
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Hecht 1959 | 1 specimen | ||||||||
Either AMNH 3822 or 3823 (text unclear), fragment bearing acrodont teeth | ||||||||||
Parasaniwa sp.
Gilmore 1928
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Hecht 1959 | 1 specimen | ||||||||
AMNH 3820, single fragment of left maxilla | ||||||||||
= Necrosauridae informal gen. indet.
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Gao and Fox 1996 | |||||||||
'these materials likely belong to another genus' | ||||||||||
= Entomophontes hutchisoni
Smith and Gauthier 2013
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Smith and Gauthier 2013 | |||||||||
Additional specimen: AMNH 4959, left maxilla | ||||||||||
Reptilia
- Xantusiidae
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Palaeoxantusia fera n. gen., n. sp.
Hecht 1956
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Hecht 1956 | 2 specimens | ||||||||
referred specimen AMNH 3821, splenio-dentary; type is also said by Hecht (1959) to be from locality 5, but is in "S.W. 1/4 sect. 34, T. 29 N., R. 105 W." according to Hecht (1956), which is the section north of the one including Hyopsodus Hill and including locality 6 | ||||||||||
Reptilia
- Tropidophiidae
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Dunnophis microechinis n. sp.
Hecht 1959
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Hecht 1959 | |||||||||
AMNH 3830 (holotype), complete mid-thoracic vertebra; referred specimens include unspecified vertebrae | ||||||||||
Reptilia
- Boidae
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Calamagras primus n. sp.
Hecht 1959
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Hecht 1959 | |||||||||
Misspelled "Calamagrus" in text: AMNH 3828 (holotype), nearly complete anterior mid-thoracic vertebra; additional referred vertebrae also found at this locality | ||||||||||
Paraepicrates brevispondylus n. sp.
Hecht 1959
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Hecht 1959 | 1 specimen | ||||||||
AMNH 3829, complete mid-thoracic vertebra | ||||||||||
Reptilia
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Boavus sp.
Marsh 1871
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Hecht 1959 | |||||||||
AMNH 3809, "abundant remains" | ||||||||||
Reptilia
- Aniliidae
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Coniophis platycarinatus n. sp.
Hecht 1959
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Hecht 1959 | 1 specimen | ||||||||
AMNH 3827 (holotype), incomplete mid-thoracic vertebra | ||||||||||
= Borealilysia sp.
Head 2020
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Head 2020 | |||||||||
Coniophis carinatus n. sp.
Hecht 1959
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Hecht 1959 | |||||||||
AMNH 3826 (holotype), incomplete mid-thoracic vertebra; several referred specimens including [no cat. no.], a tiny vertebra less that 2.2mm long | ||||||||||
Amphibia
- Temnospondyli
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Diplasiocoela indet.
Nichols 1916
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Hecht 1959 | 1 specimen | ||||||||
AMNH 3833, incompletely preserved sacrum | ||||||||||
Amphibia
- Temnospondyli
- Megophryidae
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Megophryinae indet.
Nobel 1931
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Hecht 1959 | 1 specimen | ||||||||
AMNH 3832, incomplete sacrum | ||||||||||
Amphibia
- Temnospondyli
- Rhinophrynidae
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Eorhinophrynus septentrionalis n. sp.
Hecht 1959
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Hecht 1959 | 1 specimen | ||||||||
AMNH 3818 (holotype), single complete atlas | ||||||||||
Gastropoda
- Heterostropha
- Planorbidae
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Planorbina pseudoammonius
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McKenna et al. 1962 | 1 individual | ||||||||
Gastropoda
- Heterostropha
- Bulimulidae
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Oreoconus sp.
McKenna et al. 1962
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McKenna et al. 1962 | 1 individual | ||||||||
may be O. planispira | ||||||||||
Gastropoda
- Heterostropha
- Urocoptidae
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? Holospira sp.
Martens 1860
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McKenna et al. 1962 | 1 individual | ||||||||
see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Sublette |
Coordinates: | 42.4° North, 109.3° West (view map) | ||||
Paleocoordinates: | 46.3° North, 95.3° West | ||||
Basis of coordinate: | stated in text | ||||
Geographic resolution: | small collection |
Time
Period: | Paleogene | Epoch: | Eocene |
10 m.y. bin: | Cenozoic 2 | ||
*Period: | Tertiary | ||
Key time interval: | Bridgerian | Mammal zone: | Br3 |
Age range of interval: | 50.5 - 46.2 m.y. ago | ||
Age estimate: | 46.92 ± 0.17 Ma (unknown) | ||
* legacy (obsolete) database fields |
Stratigraphy
Lithology and environment
Primary lithology: | not reported |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
Collection methods: | surface (float),surface (in situ),field collection |
Reason for describing collection: | general faunal/floral analysis |
Museum repositories: | AMNH |
Collectors: | A. Wood |
Metadata
Also known as: | UCMP V5626; Tabernacle Butte Locality 5 | ||
Database number: | 16244 | ||
Authorizer: | J. Alroy, P. Barrett, R. Benson, P. Holroyd, R. Whatley, P. Mannion | Enterer: | J. Alroy, R. Benson, P. Holroyd, P. Mannion, R. Whatley, T. Cleary |
Modifier: | P. Holroyd | Research group: | vertebrate |
Created: | 1993-02-18 00:00:00 | Last modified: | 2024-01-07 17:53:42 |
Access level: | the public | Released: | 1993-02-18 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
2523. | P. O. McGrew, J. E. Berman, M. K. Hecht, J. M. Hummel, G. G. Simpson and A. E. Wood. 1959. The geology and paleontology of the Elk Mountain and Tabernacle Butte area, Wyoming. Bulletin of the American Museum of Natural History 117(3):117-176 [J. Alroy/J. Alroy/R. Whatley] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
87093 | S. J. ElShafie. 2024. Body size estimation from isolated fossil bones reveals deep time evolutionary trends in North American lizards. PLoS ONE 19(1:e0296318):1-25 [P. Holroyd/P. Holroyd/P. Holroyd] | |
26905 | L. S. Fichter. 1969. Geographical distribution and osteological variation in fossil and Recent specimens of two species of Kinosternon (Testudines). Journal of Herpetology 3(3/4):113-119 [J. Alroy/J. Alroy] | |
37933 | K. -Q. Gao and R. C. Fox. 1996. Taxonomy and evolution of Late Cretaceous lizards (Reptilia: Squamata) from western Canada. Bulletin of the Carnegie Museum of natural History 33:1-107 [R. Benson/R. Benson] | |
74641 | J. J. Head. 2020. A South American snake lineage from the Eocene Greenhouse of North America and a reappraisal of the fossil record of “anilioid” snakes. Geobios [E. Vlachos/E. Vlachos/P. Mannion] | |
26913 | M. K. Hecht. 1956. A new xantusiid lizard from the Eocene of Wyoming. American Museum Novitates 1774:1-8 [J. Alroy/J. Alroy] | |
59968 | M. K. Hecht. 1959. Amphibians and Reptiles (in: The Geology and Paleontology of the Elk Mountain and Tabernacle Butte area, Wyoming). In P. O. McGrew (ed.), Bulletin of the American Museum of Natural History 117(3):130-176 [P. Barrett/T. Cleary] | |
2105 | W. W. Korth. 1984. Earliest Tertiary evolution and radiation of rodents in North America. Bulletin of Carnegie Museum of Natural History 24:1-71 [J. Alroy/J. Alroy/J. Marcot] | |
2170 | L. Krishtalka. 1976. Early Tertiary Adapisoricidae and Erinaceidae (Mammalia, Insectivora) of North America. Bulletin of Carnegie Museum of Natural History 1 [J. Alroy/J. Alroy/J. Ju] | |
2241 | J. A. Lillegraven, M. C. McKenna, and L. Kristalka. 1981. Evolutionary relationships of middle Eocene and younger species of Centetodon (Mammalia, Insectivora, Geolabididae) with a description of the dentition of Ankylodon (Adapisoricidae). University of Wyoming Publication 45:1-115 [J. Alroy/J. Alroy/M. Uhen] | |
2542 | M. C. McKenna, P. Robinson, and D. W. Taylor. 1962. Notes on Eocene Mammalia and Mollusca from Tabernacle Butte, Wyoming. American Museum Novitates 2102:1-33 [J. Alroy/J. Alroy/R. Whatley] | |
60296 | K. T. Smith and J. A. Gauthier. 2013. Early Eocene lizards of the Wasatch Formation near Bitter Creek, Wyoming: diversity and paleoenvironment during an interval of global warming. Bulletin of the Peabody Museum of Natural History 54(2):135-230 [P. Barrett/T. Cleary] | |
78605 | S. Tomiya, S. P. Zack, M. Spaulding and J. J. Flynn. 2021. Carnivorous mammals from the middle Eocene Washakie Formation, Wyoming, USA, and their diversity trajectory in a post-warming world. Journal of Paleontology Memoir 95(82):1-115 [P. Holroyd/P. Holroyd] | |
3587 | R. M. West. 1969. Paramys wyomingensis, a small rodent from the middle Eocene of Wyoming. Journal of Paleontology 43(1):175-178 [J. Alroy/J. Alroy/M. Carrano] | |
3608 | R. M. West and E. G. Atkins. 1970. Additional Middle Eocene (Bridgerian) mammals from Tabernacle Butte, Sublette County, Wyoming. American Museum Novitates 2404:1-26 [J. Alroy/J. Alroy/J. Marcot] |