Nevaxel III Rhino Level, Discovery Point, UCMP V70138 (Miocene of the United States)

Also known as OMNH V967

Where: Churchill County, Nevada (39.2° N, 117.9° W: paleocoordinates 40.0° N, 114.9° W)

• coordinate based on unpublished field data

• local area-level geographic resolution

When: Monarch Mill Formation, Barstovian (16.3 - 12.5 Ma)

• Age estimated to be 10-15Ma based on radiometric date from within unit.

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; claystone and conglomerate

Size class: macrofossils

Primary reference: K. Smith, N. Czaplewski, and R. L. Cifelli. 2016. Middle Miocene carnivorans from the Monarch Mill Formation, Nevada. Acta Palaeontologica Polonica 61(1):231-252 [P. Holroyd/P. Holroyd/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 181731: authorized by Patricia Holroyd, entered by Patricia Holroyd on 29.09.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Rodentia - Castoridae
Monosaulax sp. Stirton 1935 beaver
 Rodentia - Heteromyidae
Heteromyidae sp. Gray 1868 rodent
 Rodentia - Aplodontidae
Liodontia sp. Miller and Gidley 1918 mountain beaver
 Rodentia - Sciuridae
Sciuridae indet. Gray 1821 squirrel
 Rodentia - Cricetidae
Copemys sp. Wood 1936 mouse
 Lagomorpha - Leporidae
Hypolagus sp. Dice 1917 rabbit
 Carnivora - Canidae
Tomarctus sp. Cope 1873 bone-crushing dog
Leptocyon sp. Matthew 1918 canine
 Artiodactyla - Camelidae
Camelidae indet. Gray 1821 camel
 Artiodactyla - Merycoidodontidae
Merycoidodontidae indet. Cook 1912 oreodont
 Artiodactyla - Antilocapridae
Antilocapridae indet. Gray 1866 pronghorn
 Artiodactyla - Palaeomerycidae
Aletomeryx sp. Lull 1920 ruminant
 Perissodactyla - Rhinocerotidae
Teleoceras sp. Hatcher 1894 rhinoceros
Aphelops sp. Owen 1845 rhinoceros
 Perissodactyla - Equidae
Hypohippus sp. Leidy 1858 anchitheriine horse
 Theriamorpha - Soricidae
Pseudotrimylus sp. Gureev 1971 shrew
 Theriamorpha - Talpidae
Mystipterus sp. Hall 1930 mole
 Theriamorpha - Plesiosoricidae
Plesiosorex sp. Pomel 1848 placental