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; lithology not reported

Size class: mesofossils

Reposited in the UNSM

Primary reference: J. Alker. 1969. Paciculus (Cricetinae, incertae sedis) teeth from the Miocene of Nebraska. Journal of Paleontology 43(1):171-174 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

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

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Rodentia - Aplodontidae
Aplodontidae indet.5, "Prosciurus dawsonae" = Campestrallomys dawsonae5
Aplodontidae indet.5 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
"Prosciurus dawsonae" = Campestrallomys dawsonae5 Macdonald 1963 mountain beaver
 Rodentia - Sciuridae
Cedromus savannae2 Hayes 2007 squirrel
 Rodentia - Geomyidae
Tenudomys titanus5 Martin 1974 pocket gopher
 Rodentia - Castoridae
Palaeocastor sp.1 Leidy 1869 beaver
 Rodentia - Zapodidae
"Plesiosminthus geringensis" = Schaubeumys clivosus5
"Plesiosminthus geringensis" = Schaubeumys clivosus5 Galbreath 1953 jumping mouse
 Rodentia - Cricetidae
Geringia mcgregori5 Macdonald 1970 mouse
"A": described by Martin 1980a
Paciculus cf. insolitus Cope 1879 mouse
Leidymys blacki5 Macdonald 1963 mouse
 Lagomorpha - Leporidae
Palaeolagus hypsodus5 Schlaikjer 1935 rabbit
Palaeolagus philoi5 Dawson 1958 rabbit
 Primates - Ekgmowechashalidae
Ekgmowechashala philotau4 Macdonald 1963 primate
 Theriamorpha - Erinaceidae
Proterix sp.5 Matthew 1903 hedgehog
 Theriamorpha - Soricidae
Domnina dakotensis5 Macdonald 1970 shrew
 Theriamorpha - Geolabididae
Centetodon magnus5 Clark 1936 placental
discussed by Lillegraven et al. 1981
 Theriamorpha - Proscalopidae
Proscalops tertius5 Reed 1961 placental
 Perissodactyla - Rhinocerotidae
? Subhyracodon sp.5 Wood 1927 rhinoceros
discussed by Tanner 1977
 Perissodactyla - Tapiridae
Tapiridae indet.1 Gray 1821 tapir
 Perissodactyla - Equidae
Miohippus cf. intermedius5 Osborn and Wortman 1895 anchitheriine horse
 Artiodactyla - Anthracotheriidae
? Elomeryx sp.5 Marsh 1894 anthracothere
 Theriamorpha - Herpetotheriidae
"Peratherium spindleri" = Herpetotherium youngi5
"Peratherium spindleri" = Herpetotherium youngi5 McGrew 1937 marsupial
 Theriamorpha - Peradectidae
Nanodelphys sp.5 McGrew 1937 marsupial
said to be new
Reptilia
 Squamata - Boidae
Calamagras platyspondyla n. sp.3 Holman 1976 dwarf boa
 Squamata - Aniliidae
Anilioides nebraskensis n. sp.3 Holman 1976 pipe snake
 Squamata -
Goinophis minusculus n. gen. n. sp.3
Goinophis minusculus n. gen. n. sp.3 Holman 1976 snake