Tonopah (Miocene of the United States)

Also known as Quarry C; CIT 172

Where: Nye County, Nevada (38.1° N, 117.3° W: paleocoordinates 38.9° N, 114.3° W)

• coordinate based on political unit

When: Barstovian (16.3 - 12.5 Ma)

Environment/lithology: terrestrial

Primary reference: P. C. Henshaw. 1942. A Tertiary mammalian fauna from the San Antonio Mountains near Tonopah, Nevada. Carnegie Institution of Washington Publication 530(5):77-168 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 19097: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• briefly described by Furlong 1934
Henshaw gives an MNI count of 225 large mammals, and describes about 24 small mammal specimens, but based on degree of disarticulation and disassociation this is a gross underestimate; NISP is not determinable based on text
Mammalia
 Carnivora - Mustelidae
Brachypsalis pachycephalus Cope 1890 mustelid carnivore
 Carnivora - Amphicyonidae
Amphicyonidae indet.1 Haeckel 1886 bear-dog
 Carnivora - Canidae
Tomarctus sp.5 Cope 1873 bone-crushing dog
Aelurodon asthenostylus5 Wang et al. 1999 bone-crushing dog
Paracynarctus kelloggi1 Merriam 1911 bone-crushing dog
Microtomarctus conferta1 Matthew 1918 bone-crushing dog
Leptocyon vafer Leidy 1858 canine
 Carnivora - Felidae
Pseudaelurus intrepidus Leidy 1858 cat
described by Stock 1934f
 Perissodactyla - Equidae
Megahippus mckennai3 Tedford and Alf 1962 anchitheriine horse
not clear if this is the same as "H. nr. affinis"
Hypohippus affinis Leidy 1858 anchitheriine horse
Merychippus calamarius Cope 1875 horse
 Perissodactyla - Rhinocerotidae
Peraceras superciliosum1 Cope 1880 rhinoceros
 Artiodactyla - Camelidae
Aepycamelus stocki1 Henshaw 1942 camel
 Artiodactyla - Antilocapridae
"Paracosoryx loxocerus" = Paracosoryx loxoceros1, Merycodus hookwayi n. sp.
"Paracosoryx loxocerus" = Paracosoryx loxoceros1 Furlong 1934 pronghorn
Merycodus hookwayi n. sp. Furlong 1934 pronghorn
see Furlong 1934
 Theriamorpha - Erinaceidae
"Brachyerix incertis" = Metechinus fergusoni4
"Brachyerix incertis" = Metechinus fergusoni4 Henshaw 1942 hedgehog
 Lagomorpha - Leporidae
Hypolagus parviplicatus2 Dawson 1958 rabbit
 Rodentia - Mylagaulidae
Mylagaulidae indet.1 Cope 1881 rodent
 Rodentia - Cricetidae
cf. Copemys sp.1 Wood 1936 mouse
 Rodentia - Sciuridae
cf. Tamias ateles1 Hall 1930 chipmunk