Colbert Creek (Eocene of the United States)

Where: Jefferson County, Montana (46.0° N, 112.0° W: paleocoordinates 47.8° N, 103.1° W)

• coordinate based on political unit

When: Climbing Arrow Member (Renova Formation), Chadronian (37.2 - 33.9 Ma)

Environment/lithology: terrestrial

Primary reference: D. Garcia. 1990. Personal communication regarding Tertiary faunal lists, Jefferson County, Montana. [J. Alroy/J. Alroy/J. Alroy]more details

PaleoDB collection 16935: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• based on a personal communication from Garcia
Show authors, comments, and common names
Mammalia
 Carnivora - Nimravidae
Dinictis sp.
Dinictis sp. Leidy 1854 false sabre-tooth
 Perissodactyla - Equidae
Equidae indet.
Equidae indet. Gray 1821 horse
 Perissodactyla - Brontotheriidae
Brontotheriidae indet.
Brontotheriidae indet. Marsh 1873 brontothere
 Perissodactyla - Hyracodontidae
Hyracodon sp.
Hyracodon sp. Leidy 1856 odd-toed ungulate
 Artiodactyla - Camelidae
Poebrotherium sp.
Poebrotherium sp. Leidy 1847 camel
 Artiodactyla - Protoceratidae
"Leptotragulus profectus" = Trigenicus profectus
"Leptotragulus profectus" = Trigenicus profectus Matthew 1903 protoceratid
 Artiodactyla - Agriochoeridae
Agriochoerus maximus
Agriochoerus maximus Douglass 1902 agriochoerid
 Artiodactyla - Leptomerycidae
"Leptomeryx" sp.
"Leptomeryx" sp. Leidy 1853 ruminant
 Theriamorpha - Apternodontidae
Apternodus mediaevus
Apternodus mediaevus Matthew 1903 placental
 Theriamorpha - Micropternodontidae
Cryptoryctes kayi
Cryptoryctes kayi Reed 1954 placental
 Lagomorpha - Leporidae
Megalagus brachyodon, Palaeolagus temnodon
Megalagus brachyodon Matthew 1903 rabbit
Palaeolagus temnodon Douglass 1902 rabbit
 Rodentia - Ischyromyidae
Ischyromys sp., "Titanotheriomys veterior" = Ischyromys veterior
Ischyromys sp. Leidy 1856 rodent
"Titanotheriomys veterior" = Ischyromys veterior Matthew 1903 rodent