PBDB Collection

Arnett (Neogene of the United States)

Also known as Adair Ranch; Port-of-Entry Pit

Where: Ellis County, Oklahoma (36.1° N, 99.8° W: paleocoordinates 36.4° N, 98.1° 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 18034: authorized by John Alroy, entered by John Alroy on 05.08.1992

Creative Commons license: CC BY (attribution)

Taxonomic list

• probably includes Hopewell
about 14 m below prominent mortar bed (see Higgins)

Show authors, comments, and common names

Mammalia
Proboscidea - Mammutidae	Gomphotherium obscurum² Gomphotherium obscurum² Leidy 1869 mastodon
Perissodactyla - Equidae	Pliohippus nobilis³, Neohipparion leptode, Hipparion tehonense³, Hippotherium sp.¹, Nannippus cf. aztecus³ Pliohippus nobilis³ Osborn 1918 horse pers. commun. Neohipparion leptode Merriam 1915 hipparionine horse described by Hulbert 1987 Hipparion tehonense³ Merriam 1916 hipparionine horse pers. commun.: "H. sp." Hippotherium sp.¹ Kaup 1832 hipparionine horse Nannippus cf. aztecus³ Mooser 1968 hipparionine horse pers. commun.
Perissodactyla - Rhinocerotidae	Teleoceras fossiger⁴, Aphelops malacorhinus⁴ Teleoceras fossiger⁴ Cope 1878 rhinoceros pers. comm. Aphelops malacorhinus⁴ Cope 1878 rhinoceros pers. comm.: "A. sp."
Artiodactyla - Antilocapridae	Antilocaprinae indet. Antilocaprinae indet. Gray 1866 pronghorn
Artiodactyla - Palaeomerycidae	"Pediomeryx cf. figginsi" = Yumaceras figginsi "Pediomeryx cf. figginsi" = Yumaceras figginsi Frick 1937 ruminant at "P.E. Pit": Webb 1983
Artiodactyla - Camelidae	Procamelus sp., Hemiauchenia sp., Aepycamelus sp., Megatylopus sp. Procamelus sp. Leidy 1858 camel Hemiauchenia sp. Gervais and Ameghino 1880 camel Aepycamelus sp. Macdonald 1956 camel Megatylopus sp. Matthew and Cook 1909 camel
Artiodactyla - Tayassuidae	Tayassuinae indet.¹ Tayassuinae indet.¹ Palmer 1897 peccary
Carnivora - Felidae	Nimravides cf. thinobates Nimravides cf. thinobates Macdonald 1948 cat
Carnivora - Nimravidae	Barbourofelis loveorum Barbourofelis loveorum Baskin 1981 false sabre-tooth "lovei"
Carnivora - Canidae	Epicyon haydeni¹, Epicyon saevus¹, Carpocyon limosus⁵ Epicyon haydeni¹ Leidy 1858 bone-crushing dog Epicyon saevus¹ Leidy 1858 bone-crushing dog Carpocyon limosus⁵ Webb 1969 bone-crushing dog

¹Alroy 2002; ²Fox and Fisher 2001; ³Hulbert 1989; ⁴Prothero 1989; ⁵Wang et al. 1999