Box T (Neogene of the United States)

Where: Lipscomb County, Texas (36.1° N, 100.1° W: paleocoordinates 36.4° N, 98.4° W)

• coordinate based on political unit

When: Hemphillian (10.3 - 4.9 Ma)

Environment/lithology: terrestrial; lithology not reported

Primary reference: G. E. Schultz. 1990. Stop 15: Early Hemphillian 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 95-103 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18072: authorized by John Alroy, entered by John Alroy on 05.08.1992, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• stratigraphic position based on presumed correlation of massive sandstone with mortar bed at Higgins
Mammalia
 Perissodactyla - Rhinocerotidae
Aphelops malacorhinus5 Cope 1878 rhinoceros
pers. comm.: "A. sp."
Aphelops mutilus6 Matthew 1924 rhinoceros
"Box T Ranch, Ranch West Draw" and "First Valley, West Pit 1"
Teleoceras hicksi6 Cook 1927 rhinoceros
Teleoceras fossiger5 Cope 1878 rhinoceros
pers. comm.: "T. sp."
 Perissodactyla - Equidae
Hippotherium sp.1 Kaup 1832 hipparionine horse
Neohipparion leptode Merriam 1915 hipparionine horse
described by Hulbert 1987
Calippus "large"2 Matthew and Stirton 1930 horse
Protohippus gidleyi3 Hulbert 1988 horse
pers. commun.
Astrohippus sp. Stirton 1940 horse
Pliohippus nobilis3 Osborn 1918 horse
pers. commun.: "P. sp."
 Artiodactyla - Tayassuidae
Prosthennops serus1 Cope 1877 peccary
 Artiodactyla - Camelidae
Camelidae indet.1 Gray 1821 camel
Megatylopus sp. Matthew and Cook 1909 camel
Hemiauchenia sp. Gervais and Ameghino 1880 camel
 Artiodactyla - Gelocidae
Pseudoceras sp. Frick 1937 ruminant
 Artiodactyla - Palaeomerycidae
"Pediomeryx cf. figginsi" = Yumaceras figginsi
"Pediomeryx cf. figginsi" = Yumaceras figginsi Frick 1937 ruminant
described by Webb 1983
 Artiodactyla - Antilocapridae
? Osbornoceros sp. Frick 1937 pronghorn
"Plioceros or Texoceros" is also listed
 Carnivora - Felidae
Machairodus sp. Kaup 1833 cat
Nimravides cf. thinobates Macdonald 1948 cat
 Carnivora - Mustelidae
Sthenictis sp. Peterson 1910 mustelid carnivore
mentioned by Breyer 1981
Leptarctus supremus n. sp.4 Lim et al. 2001 mustelid carnivore
Eomellivora sp. Zdansky 1924 ratel
 Carnivora - Ursidae
Indarctos sp. Pilgrim 1913 bear
mentioned by Harrison 1983
 Carnivora - Canidae
Metalopex bakeri n. sp.7 Tedford et al. 2009 canine
Epicyon haydeni1 Leidy 1858 bone-crushing dog
Epicyon saevus8 Leidy 1858 bone-crushing dog
"Bridge Creek, Box T Ranch, north of Higgins"
Borophagus sp.1 Cope 1892 bone-crushing dog
Borophagus cf. pugnator1 Cook 1922 bone-crushing dog
 Megatherioidea - Megalonychidae
Pliometanastes cf. protistus Hirschfeld and Webb 1968 edentate
described by Hirschfeld and Webb 1968
  - Mylodontidae
Thinobadistes wetzeli Webb 1989 edentate
described by Webb 1989
 Proboscidea - Gomphotheriidae
Amebelodon cf. fricki Barbour 1927 gomphothere