Diamond Mountain (Miocene of the United States)

Also known as TAM 40; R. R. McPherson Land; Iron Mound

Where: Montgomery County, Texas (30.1° N, 95.4° W: paleocoordinates 30.6° N, 92.6° W)

• coordinate based on political unit

When: Miocene (23.0 - 5.3 Ma)

Environment/lithology: terrestrial

Primary reference: C. J. Hesse. 1943. A Preliminary Report on the Miocene Vertebrate Faunas of Southeast Texas. Transactions of the Texas Academy of Sciences 26:157-179 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 18620: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

 Perissodactyla - Rhinocerotidae
Rhinocerotidae indet. Gray 1821 rhinoceros
 Perissodactyla - Equidae
Merychippus gunteri2 Simpson 1930 horse
Hipparionini indet.2 Quinn 1955 hipparionine horse
Protohippus perditus1 Leidy 1858 horse
Calippus proplacidus1 Osborn 1918 horse
 Ferae -
Carnivora indet. Bowditch 1821 carnivoran
 Ungulata -
Artiodactyla indet. Owen 1848 even-toed ungulate
 Ungulata - Camelidae
Camelidae indet. Gray 1821 camel
two size classes
 Ungulata - Protoceratidae
? Prosynthetoceras sp. Patton 1967 protoceratid