Quartz Basin (UO 2465) (Miocene of the United States)

Where: Malheur County, Oregon (43.6° N, 117.5° W: paleocoordinates 44.4° N, 114.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Holdout Member (Deer Butte Formation), Barstovian (16.0 - 13.6 Ma)

Environment/lithology: terrestrial

Collection methods: bulk, sieve

Primary reference: J. A. Shotwell. 1968. Miocene mammals of southeast Oregon. Bulletin of the Museum of Natural History, University of Oregon 14:1-67 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 19011: authorized by John Alroy, entered by John Alroy on 26.07.1994, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Carnivora - Mustelidae
Mustelidae indet.1 Fischer 1817 mustelid carnivore
Mustela sp. Linnaeus 1758 weasel
might include "Didelphidae indet.," which is a small carnivore according to Korth 1994a
 Carnivora - Procyonidae
Procyonidae indet.1 Gray 1825 procyonid carnivore
 Carnivora - Ursidae
Ursidae indet.1 Gray 1825 bear
 Carnivora - Canidae
Canidae indet. Fischer de Waldheim 1817 canid
 Perissodactyla - Equidae
Equinae indet.1 Steinmann and Döderlein 1890 horse
 Perissodactyla - Rhinocerotidae
Teleoceras medicornutum3 Osborn 1904 rhinoceros
"Quartz Basin l.f."
? Aphelops sp. Owen 1845 rhinoceros
 Artiodactyla - Tayassuidae
Tayassuinae indet.1 Palmer 1897 peccary
 Artiodactyla - Antilocapridae
Paracosoryx cf. nevadensis1 Merriam 1911 pronghorn
 Artiodactyla - Palaeomerycidae
Dromomeryx borealis Cope 1877 ruminant
 Theriamorpha - Plesiosoricidae
Plesiosorex cf. donroosai1 Green 1977 placental
 Theriamorpha - Soricidae
Ingentisorex tumididens Hutchison 1966 shrew
Alluvisorex arcadentes Hutchison 1966 shrew
 Theriamorpha - Talpidae
Domninoides sp. Green 1956 mole
Mystipterus pacificus Hutchison 1968 mole
Achlyoscapter longirostris Hutchison 1968 mole
Scalopoides ripafodiator Hutchison 1968 mole
 Rodentia - Sciuridae
"Spermophilus cf. tephrus" = Protospermophilus tephrus
"Spermophilus cf. tephrus" = Protospermophilus tephrus Gazin 1932 squirrel
 Rodentia - Castoridae
Monosaulax progressus n. sp. Shotwell 1968 beaver
 Rodentia - Heteromyidae
"Balantiomys oregonensis" = Peridiomys oregonensis1
"Balantiomys oregonensis" = Peridiomys oregonensis1 Gazin 1932 rodent
 Rodentia - Eomyidae
Pseudotheridomys pagei Shotwell 1967 rodent
Leptodontomys quartzi1 Shotwell 1967 rodent
 Rodentia - Cricetidae
Copemys pagei1 Shotwell 1967 mouse
Copemys barstowensis2 Lindsay 1972 mouse
 Rodentia - Zapodidae
Macrognathomys sp. Hall 1930 jumping mouse
 Lagomorpha - Leporidae