Arnett: Hemphillian, Oklahoma

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Proboscidea - Mammutidae
Gomphotherium productus (Cope 1874)
    = Gomphotherium obscurum Leidy 1869
Fox and Fisher 2001
"Gomphotherium or Amebelodon sp."
Mammalia - Carnivora - Nimravidae
Barbourofelis loveorum (Baskin 1981)
"lovei"
Mammalia - Carnivora - Felidae
Nimravides cf. thinobates (Macdonald 1948)
Mammalia - Carnivora - Canidae
Carpocyon limosus Webb 1969
Wang et al. 1999
Epicyon mortifer (Cook 1914)
    = Epicyon saevus Leidy 1858
Alroy 2002
includes "Aelurodon haydeni" of Kitts 1957a; confirmed by Wang et al. 1999
Epicyon validus (Stirton and Vanderhoof 1933)
    = Epicyon haydeni Leidy 1858
Alroy 2002
confirmed by Wang et al. 1999
Mammalia - Perissodactyla - Equidae
Pliohippus nobilis Osborn 1918
Hulbert 1989
pers. commun.
Hipparion tehonense (Merriam 1916)
Hulbert 1989
recombined as Hipparion gratum tehonense
pers. commun.: "H. sp."
Neohipparion leptode Merriam 1915
described by Hulbert 1987
Cormohipparion cf. occidentale (Leidy 1856)
    = Hippotherium sp. Kaup 1832
Alroy 2002
Nannippus cf. aztecus Mooser 1968
Hulbert 1989
pers. commun.
Mammalia - Perissodactyla - Rhinocerotidae
Teleoceras fossiger (Cope 1878)
Prothero 1989
pers. comm.
Aphelops malacorhinus Cope 1878
Prothero 1989
pers. comm.: "A. sp."
Mammalia - Camelidae
Megatylopus sp. (Matthew and Cook 1909)
original and current combination Pliauchenia (Megatylopus)
Procamelus sp. Leidy 1858
Aepycamelus sp. Macdonald 1956
Hemiauchenia sp. Gervais and Ameghino 1880
Mammalia - Tayassuidae
Prosthennops sp. Matthew and Gidley 1904
    = Tayassuinae indet. Palmer 1897
Alroy 2002
compared to P. ziegleri, P. condoni, and "P." longirostris by Kitts 1957
Mammalia - Antilocapridae
Antilocaprinae indet. Gray 1866
Mammalia - Palaeomerycidae
Pediomeryx cf. figginsi (Frick 1937)
original and current combination Yumaceras figginsi
at "P.E. Pit": Webb 1983 (6 measurements)
see common names

Geography
Country:United States State/province:Oklahoma County:Ellis
Coordinates: 36.1° North, 99.8° West (view map)
Paleocoordinates:36.4° North, 98.1° West
Basis of coordinate:based on political unit
Time
Period:Neogene
10 m.y. bin:Cenozoic 6
*Period:Tertiary *Epoch:Miocene
Key time interval:Hemphillian
Age range of interval:10.30000 - 4.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Local section:Hemph Local bed:3
Local order:bottom to top
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Taxonomic list comments:probably includes Hopewell
about 14 m below prominent mortar bed (see Higgins)
Metadata
Also known as:Adair Ranch; Port-of-Entry Pit
Database number:18034
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:J. Alroy Research group:vertebrate
Created:1992-08-05 00:00:00 Last modified:2009-12-18 12:11:44
Access level:the public Released:1992-08-05 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

6208. 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]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
6247 D. L. Fox and D. C. Fisher. 2001. Stable isotope ecology of a late Miocene population of Gomphotherium productus (Mammalia, Proboscidea) from Port of Entry Pit, Oklahoma, USA. Palaios 16:279-293 [J. Alroy/J. Alroy/J. Alroy]
1952 R. C. Hulbert, Jr. 1989. Phylogenetic Interrelationships and Evolution of North American Late Equidae. In D. R. Prothero and R. M. Schoch (eds.), The Evolution of Perissodactyls [J. Alroy/J. Alroy/M. Uhen]
6328 D. R. Prothero. 1989. Personal communication regarding rhinocerotid identifications. [J. Alroy/J. Alroy/J. Alroy]
3558 X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy]