Red Basin (UO 2495) (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: Butte Creek Formation, Barstovian (16.3 - 12.5 Ma)

Environment/lithology: terrestrial; volcaniclastic sediments

• Volcanic Sandstone

Size classes: macrofossils, mesofossils

Collection methods: bulk, quarrying, 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 19017: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• seems to include material from UO 2493; see locality info in Hutchison 1968
"same unit" as fauna dated by KA on sanidine at 15.1 (= 15.50) Ma: Evernden et al. 1964, not even mentioned by Shotwell or Tedford et al. 1987
Show authors, comments, and common names
Mammalia
 Carnivora - Amphicyonidae
Amphicyon cf. frendens
Amphicyon cf. frendens Matthew 1924 bear-dog
 Carnivora - Mustelidae
Mustelidae indet.1
Mustelidae indet.1 Fischer 1817 mustelid carnivore
 Carnivora - Canidae
Tephrocyon rurestris1
Tephrocyon rurestris1 Condon 1896 bone-crushing dog
 Carnivora - Felidae
Pseudaelurus sp.
Pseudaelurus sp. Leidy 1858 cat
 Artiodactyla - Dromomerycidae
Bouromeryx cf. americanus1, Dromomeryx borealis
Bouromeryx cf. americanus1 Douglass 1899 ruminant
Dromomeryx borealis Cope 1877 ruminant
 Artiodactyla - Antilocapridae
Merycodontinae indet.1
Merycodontinae indet.1 Matthew 1904 pronghorn
 Artiodactyla - Camelidae
Camelidae indet.
Camelidae indet. Gray 1821 camel
 Artiodactyla - Merycoidodontidae
Ticholeptus zygomaticus1
Ticholeptus zygomaticus1 Cope 1878 oreodont
 Perissodactyla - Equidae
Merychippus brevidontus, Acritohippus isonesus1, Hypohippus cf. osborni
Merychippus brevidontus Bode 1935 horse
Acritohippus isonesus1 Cope 1889 horse
Hypohippus cf. osborni Gidley 1907 anchitheriine horse
 Perissodactyla - Rhinocerotidae
Aphelops sp.
Aphelops sp. Owen 1845 rhinoceros
specimen is from UO 2493, see comment above
 Soricomorpha - Talpidae
Achlyoscapter longirostris2, Scapanoscapter simplicidens, Scalopoides cf. ripafodiator2, Mystipterus cf. pacificus2
Achlyoscapter longirostris2 Hutchison 1968 mole
Scapanoscapter simplicidens Hutchison 1968 mole
Scalopoides cf. ripafodiator2 Hutchison 1968 mole
Mystipterus cf. pacificus2 Hutchison 1968 mole
 Soricomorpha - Plesiosoricidae
Plesiosorex cf. donroosai1
Plesiosorex cf. donroosai1 Green 1977 placental
 Soricomorpha - Soricidae
Limnoecus sp., Paradomnina relictus n. sp., Pseudotrimylus sp.1, Alluvisorex arcadentes
Limnoecus sp. Stirton 1930 shrew
Paradomnina relictus n. sp. Hutchison 1966 shrew
Pseudotrimylus sp.1 Gureev 1971 shrew
Alluvisorex arcadentes Hutchison 1966 shrew
 Tribosphenida - Erinaceidae
Lanthanotherium sp.
Lanthanotherium sp. Filhol 1888 hedgehog
 Rodentia - Mylagaulidae
Hesperogaulus gazini3
Hesperogaulus gazini3 Korth 1999 rodent
 Rodentia - Sciuridae
Petauristodon sp.1, Protospermophilus malheurensis, "Spermophilus tephrus" = Protospermophilus tephrus, "Tamiini indet." = Marmotini1
Petauristodon sp.1 Engesser 1979 squirrel
Protospermophilus malheurensis Gazin 1932 squirrel
"Spermophilus tephrus" = Protospermophilus tephrus Gazin 1932 squirrel
"Tamiini indet." = Marmotini1 squirrel
 Rodentia - Cricetidae
Copemys pagei1
Copemys pagei1 Shotwell 1967 rodent
 Rodentia - Eomyidae
Pseudotheridomys pagei
Pseudotheridomys pagei Shotwell 1967 rodent
 Rodentia - Heteromyidae
"Balantiomys oregonensis" = Peridiomys oregonensis1
"Balantiomys oregonensis" = Peridiomys oregonensis1 Gazin 1932 rodent
 Rodentia - Castoridae
Monosaulax typicus n. sp.
Monosaulax typicus n. sp. Shotwell 1968 beaver
1Alroy 2002; 2Hutchison 1968; 3Korth 1999