Tremain: Arikareean, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Rodentia
- Florentiamyidae
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Florentiamys kinseyi n. sp.
Wahlert 1983
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| "Three miles ENE of Tremain Station, Goshen Co., Wyo.; Gering Formation" | ||||||||||
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Florentiamys kennethi
Wahlert 1983
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| synonym of Florentiamys tiptoni | ||||||||||
| "Three miles ENE of Tremain Station, Goshen Co... Gering Formation" | ||||||||||
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Mammalia
- Carnivora
- Canidae
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"Mesocyon" temnodon
(Wortman and Matthew 1899)
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Wang 1994 | |||||||||
| 1 mi E of Tremain and 3.5 mi E of Tremain, Lower Arikaree Group | ||||||||||
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Paraenhydrocyon josephi
(Cope 1881)
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Wang 1994 | |||||||||
| 4 mi E of Tremain and 1/2 mi E of Tremain railroad station, Lower Arikaree Group | ||||||||||
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Mammalia
- Perissodactyla
- Rhinocerotidae
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Diceratherium annectens
(Marsh 1873)
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Prothero 2005 | |||||||||
| "Early Arikareean, Gering Formation, 3.5 miles east of Tremain, Goshen County, Wyoming" | ||||||||||
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Mammalia
- Merycoidodontidae
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Desmatochoerus hatcheri
(Douglass 1907)
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Schultz and Falkenbach 1954 | |||||||||
| "2-3 mi. E. of Tremain" in the Horse Creek Basin, Goshen Co. | ||||||||||
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Pseudocyclopidius lullianus
(Thorpe 1921)
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Schultz and Falkenbach 1968 | |||||||||
| recombined as Leptauchenia lullianus | ||||||||||
| "Tremain" in "upper Gering" | ||||||||||
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Leptauchenia parasimus
Schultz and Falkenbach 1968
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Schultz and Falkenbach 1968 | |||||||||
| synonym of Leptauchenia decora | ||||||||||
| "upper Gering" of "Tremain Area" | ||||||||||
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Pithecistes altageringensis
Schultz and Falkenbach 1968
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Schultz and Falkenbach 1968 | |||||||||
| synonym of Leptauchenia decora | ||||||||||
| "E. of Tremain" in "upper Gering" | ||||||||||
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Hadroleptauchenia densa
(Loomis 1925)
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Schultz and Falkenbach 1968 | |||||||||
| synonym of Leptauchenia major | ||||||||||
| "Tremain area" in "upper Gering" | ||||||||||
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Megasespia middleswarti
Schultz and Falkenbach 1968
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Schultz and Falkenbach 1968 | |||||||||
| synonym of Sespia ultima | ||||||||||
| "Tremain area" | ||||||||||
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Sespia nitida
(Leidy 1869)
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Schultz and Falkenbach 1968 | |||||||||
| "Tremain" | ||||||||||
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Oreodontoides oregonensis
(Thorpe 1921)
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Stevens et al. 2023 | |||||||||
| original and current combination Eporeodon (Oreodontoides) oregonensis | ||||||||||
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Desmatochoerus (Paradesmatochoerus) anthonyi n. sp.
Schultz and Falkenbach 1968
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Schultz and Falkenbach 1968 | |||||||||
| synonym of Merycoidodon major | ||||||||||
| upper "Gering Formation, 3 1/2 mi. E. of Tremain" | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Laramie |
| Coordinates: | 41.3° North, 105.1° West (view map) | ||||
| Paleocoordinates: | 42.2° North, 99.4° West | ||||
| Basis of coordinate: | based on political unit |
Time
| 10 m.y. bin: | Cenozoic 4-5 | ||
| *Period: | Tertiary | *Epoch: | Oligocene |
| Key time interval: | Arikareean | ||
| Age range of interval: | 29.50000 - 18.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection excludes: | some genera |
| Taxonomic list comments:appears to go across the Goshen/Laramie county line | |
Metadata
| Database number: | 17703 | ||
| Authorizer: | J. Alroy, J. Marcot | Enterer: | J. Alroy, J. Marcot | Research group: | vertebrate |
| Created: | 1996-08-05 00:00:00 | Last modified: | 2002-06-03 03:27:42 |
| Access level: | the public | Released: | 1996-08-05 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 3528. | J. H. Wahlert. 1983. Relationships of the Florentiamyidae (Rodentia, Geomyoidea) based on cranial and dental morphology. American Museum Novitates 2769:1-23 [J. Alroy/J. Alroy/J. Marcot] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 51726 | D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot] | |
| 3067 | C. B. Schultz and C. H. Falkenbach. 1954. Desmatochoerinae, a new subfamily of oreodonts. Bulletin of the American Museum of Natural History 105(2) [J. Alroy/J. Alroy/J. Ju] | |
| 3069 | C. B. Schultz and C. H. Falkenbach. 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 [J. Alroy/J. Alroy/J. Marcot] | |
| 86699 | M. S. Stevens, D. R. Prothero, C. Cleaveland, E. Welsh, K. Marriott, T. Htun, D. Balassa, S. M. Olson, K. I. Watmore and D. Wheeler. 2023. Systematics of the Late Oligocene and Miocene Oreodonts (Merycoidodontidae: Artiodactyla). New Mexico Museum of Natural History and Science Bulletin 93:1-226 [J. Marcot/J. Marcot] | |
| 6226 | X. Wang. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 221:1-207 [J. Alroy/J. Alroy/J. Alroy] |