Penny Creek (UNSM Wt-11) (Miocene of the United States)

Where: Webster County, Nebraska (40.1° N, 98.5° W: paleocoordinates 40.5° N, 95.9° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Valentine Formation, Clarendonian (13.6 - 10.3 Ma)

Environment/lithology: terrestrial

Reposited in the UNSM

Primary reference: M. A. Turner. 1972. A faunal assemblage from the Lower Ash Hollow Formation (Neogene) of southern Nebraska. M. S. thesis University of Nebraska 1-88 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18314: authorized by John Alroy, entered by John Alroy on 19.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Rodentia - Mylagaulidae
Mylagaulidae indet.2 Cope 1881 rodent
 Perissodactyla - Tapiridae
Tapirus sp. Brisson 1762 tapir
 Perissodactyla - Equidae
Hypohippus cf. osborni Gidley 1907 anchitheriine horse
Pseudhipparion retrusum1 Cope 1889 hipparionine horse
Calippus regulus3 Johnston 1937 horse
Protohippus cf. perditus Leidy 1858 horse
Pliohippus sp. Marsh 1874 horse
may be okay as Turner also lists perditus
 Artiodactyla - Camelidae
Camelidae indet. Gray 1821 camel
 Artiodactyla - Moschidae
Longirostromeryx sp. Frick 1937 musk deer
 Artiodactyla - Palaeomerycidae
Cranioceratini indet.1 Frick 1937 ruminant
 Placentalia -
Carnivora indet. Bowdich 1821 carnivoran
 Proboscidea - Gomphotheriidae
Gomphotheriidae indet. Hay 1922 gomphothere