Little Beaver B (Miocene of the United States)

Also known as UCMP V-3326

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 18233: 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
 Rodentia - Castoridae
Castoridae indet. Gray 1821 beaver
 Lagomorpha - Leporidae
 Perissodactyla - Rhinocerotidae
Teleoceras major4 Hatcher 1894 rhinoceros
pers. commun.: "fossiger"
 Perissodactyla - Equidae
Hippotherium sp.1 Kaup 1832 hipparionine horse
Pseudhipparion gratum Leidy 1869 hipparionine horse
Nannippus sp.2 Matthew 1926 hipparionine horse
pers. commun.: "A"
Pliohippus pernix2 Marsh 1874 horse
pers. commun.: "P. supremus"
Calippus cf. martini Hesse 1936 horse
Calippus placidus Leidy 1869 horse
Megahippus matthewi Barbour 1914 anchitheriine horse
Hypohippus affinis Leidy 1858 anchitheriine horse
 Carnivora - Amphicyonidae
Ischyrocyon sp. Matthew and Gidley 1904 bear-dog
 Carnivora - Mustelidae
Leptarctus sp. Leidy 1856 mustelid carnivore
 Carnivora - Canidae
Borophaginae indet.1 Simpson 1945 bone-crushing dog
Borophaginae indet.1 Simpson 1945 bone-crushing dog
Epicyon saevus5 Leidy 1858 bone-crushing dog
 Carnivora - Felidae
Felidae indet. Gray 1821 cat
 Proboscidea - Gomphotheriidae
Gomphotherium sp. Burmeister 1837 gomphothere
 Ungulata - Merycoidodontidae
Merychyus sp.1 Leidy 1858 oreodont
 Ungulata - Camelidae
Protolabis heterodontus Cope 1874 camel
Procamelus grandis Gregory 1939 camel
Aepycamelus major Leidy 1886 camel
 Ungulata - Antilocapridae
Cosoryx furcatus Leidy 1869 pronghorn
 Ungulata - Moschidae
Longirostromeryx wellsi Matthew 1904 musk deer