Canyon Ferry Reservoir 24LC15 (Oligocene of the United States)

Where: Lewis and Clark County, Montana (46.6° N, 112.1° W: paleocoordinates 48.2° N, 103.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Orellan (33.9 - 33.3 Ma)

Environment/lithology: terrestrial

Primary reference: T. E. White. 1954. Preliminary Analysis of the Fossil Vertebrates of the Canyon Ferry Reservoir Area. Proceedings of the United States National Museum 103(3326):395-438 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 17074: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• NOT in measured section
even split of specimens possibly from 24LC17 yields estimated NISP of 67
Mammalia
 Rodentia - Cricetidae
Eumys elegans Leidy 1856 mouse
 Rodentia - Aplodontidae
"Prosciurus cf. relictus" = Altasciurus relictus
"Prosciurus cf. relictus" = Altasciurus relictus Cope 1873 mountain beaver
 Rodentia - Eomyidae
Paradjidaumo spokanensis n. sp. White 1954 rodent
 Lagomorpha - Leporidae
Palaeolagus intermedius Matthew 1899 rabbit
- 2
Palaeolagus burkei Wood 1940 rabbit
- 16
 Carnivora - Canidae
Hesperocyon gregarius Cope 1873 canid
 Theriiformes - Herpetotheriidae
"Herpetotherium fugax" = Peratherium fugax
"Herpetotherium fugax" = Peratherium fugax Cope 1873 marsupial
 Artiodactyla - Leptomerycidae
Leptomeryx evansi Leidy 1853 ruminant