Durnal Ranch Quarry (Oligocene of the United States)

Also known as UNSM Mo-119

Where: Morrill County, Nebraska (41.7° N, 103.1° W: paleocoordinates 42.5° N, 96.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Gering A Member (Gering Formation), Geringian (30.8 - 26.3 Ma)

Environment/lithology: terrestrial

Reposited in the UNSM

Primary reference: C. C. Swisher. 1982. Stratigraphy and biostratigraphy of the eastem portion of the Wildcat Ridge, westem Nebraska 1-172 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 17495: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jason Head and Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Squamata -
Goinophis minusculus n. gen. n. sp.3
Goinophis minusculus n. gen. n. sp.3 Holman 1976 snake
 Squamata - Aniliidae
Anilioides nebraskensis n. sp.3 Holman 1976 pipe snake
 Squamata - Boidae
Calamagras platyspondyla n. sp.3 Holman 1976 dwarf boa
Mammalia
 Primates - Ekgmowechashalidae
Ekgmowechashala philotau Macdonald 1963 primate
 Rodentia - Cricetidae
Geringia mcgregori Macdonald 1970 mouse
"A": described by Martin 1980a
Leidymys blacki Macdonald 1963 mouse
 Rodentia - Aplodontidae
Aplodontidae indet. Brandt 1855 mountain beaver
said to be new; same as Meniscomys new sp. of Martin 1973 and new aplodontid of Rasmussen 1977 Ph.D.; does not belong to Meniscomys
Campestrallomys dawsonae1 Macdonald 1963 mountain beaver
 Rodentia - Sciuridae
Cedromus savannae2 Hayes 2007 squirrel
 Rodentia - Geomyidae
Tenudomys titanus Martin 1974 pocket gopher
 Rodentia - Castoridae
Palaeocastor sp.1 Leidy 1869 beaver
 Rodentia - Zapodidae
"Plesiosminthus clivosus" = Schaubeumys clivosus1
"Plesiosminthus clivosus" = Schaubeumys clivosus1 Galbreath 1953 jumping mouse
 Lagomorpha - Leporidae
Palaeolagus philoi Dawson 1958 rabbit
Palaeolagus hypsodus Schlaikjer 1935 rabbit
 Lipotyphla - Erinaceidae
Proterix sp. Matthew 1903 hedgehog
 Lipotyphla - Geolabididae
Centetodon magnus Clark 1936 placental
discussed by Lillegraven et al. 1981
 Perissodactyla - Rhinocerotidae
? Subhyracodon sp. Wood 1927 rhinoceros
discussed by Tanner 1977
 Perissodactyla - Tapiridae
Tapiridae indet.1 Gray 1821 tapir
 Perissodactyla - Equidae
Miohippus cf. intermedius Osborn and Wortman 1895 anchitheriine horse
 Tribosphenida - Heterosoricidae
Domnina dakotensis Macdonald 1970 placental
 Tribosphenida - Proscalopidae
Proscalops tertius Reed 1961 placental
 Ungulata - Anthracotheriidae
? Elomeryx sp. Marsh 1894 anthracothere
 Theriiformes - Peradectidae
Nanodelphys sp. McGrew 1937 metatherian
said to be new
 Theriiformes - Herpetotheriidae
Herpetotherium youngi1 McGrew 1937 marsupial