Grant Lease (Miocene of the United States)

Also known as Grant Quarry

Where: Donley County, Texas (35.0° N, 100.8° W: paleocoordinates 35.5° N, 98.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Clarendonian (12.5 - 9.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: G. E. Schultz. 1990. Stop 14: The Clarendonian faunas of the Texas and Oklahoma panhandles. In T. C. Gustavson (ed.), Tertiary and Quaternary stratigraphy and vertebrate paleontology of parts of northwestern Texas and eastern New Mexico; Guidebook - Bureau of Economic Geology, University of Texas at Austin 83-93 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18179: authorized by John Alroy, entered by John Alroy on 05.08.1992

Creative Commons license: CC BY (attribution)

Taxonomic list

• equids: Hulbert 1989 pers. commun.
may include record of Hypohippus affinis Forsten 1975 from TMM 40282 "N of S fork of Red River"
Mammalia
 Carnivora - Canidae
Aelurodon taxoides Hatcher 1894 bone-crushing dog
 Perissodactyla - Equidae
Pseudhipparion hessei3 Webb and Hulbert 1986 hipparionine horse
pers. commun.
Neohipparion affine2 Leidy 1869 hipparionine horse
Hippotherium sp.1 Kaup 1832 hipparionine horse
Pliohippus pernix3 Marsh 1874 horse
pers. commun.
Calippus placidus3 Leidy 1869 horse
pers. commun.
Calippus regulus n. sp.4 Johnston 1937 horse
Calippus martini3 Hesse 1936 horse
pers. commun.
Hypohippus affinis Leidy 1858 anchitheriine horse