Big Beaver A (Miocene of the United States)

Also known as UCMP V-3325

Where: Cherry County, Nebraska (42.8° N, 100.8° W: paleocoordinates 43.3° N, 98.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Cap Rock Member (Ash Hollow Formation), Clarendonian (13.6 - 10.3 Ma)

Environment/lithology: terrestrial

Reposited in the UCMP

Primary reference: S. D. Webb. 1969. The Burge and Minnechaduza Clarendonian Mammalian Faunas of North-Central Nebraska. University of California Publications in Geological Sciences 78:1-191 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 18060: authorized by John Alroy, entered by John Alroy on 05.08.1992

Creative Commons license: CC BY (attribution)

Taxonomic list

• originally described by Stirton and McGrew 1935 as "Loc. V332" (a lapsus)
Mammalia
 Rodentia - Castoridae
Eucastor sp. Allen 1877 beaver
 Lipotyphla - Talpidae
Domninoides sp.2 Green 1956 mole
from "Minnechaduza"; "Talpidae indet."
 Perissodactyla - Rhinocerotidae
Teleoceras major3 Hatcher 1894 rhinoceros
pers. commun.: "T. fossiger"
 Perissodactyla - Equidae
Hippotherium sp.1 Kaup 1832 hipparionine horse
Pseudhipparion gratum Leidy 1869 hipparionine horse
Equini indet.1 Quinn 1955 horse
 Carnivora - Amphicyonidae
Ischyrocyon sp. Matthew and Gidley 1904 bear-dog
 Carnivora - Mustelidae
Mionictis pristinus1 Matthew and Gidley 1904 badger
 Carnivora - Canidae
Borophaginae indet.1 Simpson 1945 bone-crushing dog
 Carnivora - Felidae
Pseudaelurus sp. Leidy 1858 cat
 Ungulata - Merycoidodontidae
"Merychyus novomexicanus" = Ustatochoerus medius novomexicanus1
"Merychyus novomexicanus" = Ustatochoerus medius novomexicanus1 Frick 1929 oreodont
 Ungulata - Camelidae
Procamelus grandis Gregory 1939 camel
 Ungulata - Palaeomerycidae
Palaeomerycidae indet. Lydekker 1883 ruminant
 Ungulata - Antilocapridae
Cosoryx furcatus Leidy 1869 pronghorn