Cambridge: Hemphillian, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Sciuridae
Spermophilus sp. Cuvier 1825
Mammalia - Rodentia - Geomyidae
Pliosaccomys sp. Wilson 1936
Mammalia - Rodentia - Castoridae
Dipoides williamsi Stirton 1936
Tedford et al. 1987
Dipoides stirtoni Wilson 1934
Mammalia - Rodentia - Mylagaulidae
Mylagaulus cambridgensis n. sp. Korth 2000
Mammalia - Rodentia - Cricetidae
Paramicrotoscoptes cf. hibbardi Martin 1975
Copemys sp. Wood 1936
Goniodontomys disjunctus Wilson 1937
Mammalia - Lagomorpha - Leporidae
Hypolagus sp. Dice 1917
    = Archaeolaginae indet.
Alroy 2002
Mammalia - Soricidae
Sorex cf. edwardsi Brown 1980
Anouroneomys magnus Hutchison and Bown 1980
Mammalia - Plesiosoricidae
Meterix sp. Hall 1929
    = Plesiosorex sp. Pomel 1848
Alroy 2002
Mammalia - Perissodactyla - Rhinocerotidae
Aphelops mutilus Matthew 1924
presumably includes type of A. kimballensis Tanner 1967
Teleoceras schultzi n. sp. Tanner 1975
synonym of Teleoceras hicksi
(1 measurement)
Mammalia - Perissodactyla - Tapiridae
Tapirus simpsoni Schultz et al. 1975
Mammalia - Perissodactyla - Equidae
Hipparion cf. forcei Richey 1948
    = Hipparionini indet. Quinn 1955
Alroy 2002
status uncertain in light of MacFadden's mixed hypodigm for this species
Nannippus lenticularis (Cope 1893)
MacFadden 1984
synonym of Cormohipparion ingenuum
Neohipparion leptode Merriam 1915
Hulbert 1987
Dinohippus leidyanus (Osborn 1918)
Tedford et al. 1987
Calippus informal large
original and current combination Protohippus (Calippus)
said to be new; this is the large species of Breyer 1981
Protohippus gidleyi Hulbert 1988
Hulbert 1988
(6 measurements)
Mammalia - Tayassuidae
Prosthennops serus (Cope 1877)
includes type of "P. graffhami" of Schultz and Martin 1975a
Mammalia - Camelidae
Alforjas sp. Harrison 1979
Megatylopus sp. (Matthew and Cook 1909)
original and current combination Pliauchenia (Megatylopus)
Hemiauchenia cf. vera (Matthew 1909)
recombined as Pleiolama vera
Mammalia - Gelocidae
Pseudoceras sp. Frick 1937
    = Pseudoceras skinneri Frick 1937
Webb 2008
Ft-40 and Ft-49
Mammalia - Palaeomerycidae
Pediomeryx figginsi (Frick 1937)
original and current combination Yumaceras figginsi
(5 measurements)
Mammalia - Antilocapridae
Sphenophalos middleswarti Barbour and Schultz 1941
Tedford et al. 1987
Texoceros guymonensis Frick 1937
Tedford et al. 1987
Mammalia - Carnivora - Nimravidae
Barbourofelis fricki Schultz et al. 1970
(1 measurement)
Mammalia - Carnivora - Felidae
Nimravides sp. Kitts 1958
presumably = Machairodus coloradensis of Martin and Schultz 1975
Mammalia - Carnivora - Mustelidae
Sthenictis sp. Peterson 1910
Martes sp. Frisch 1775
"sensu lato"
Mammalia - Carnivora - Ursidae
Indarctos oregonensis Merriam et al. 1916
includes type of "Indarctos oregonensis keithi": replaces ID of Schultz and Martin 1975b (1 measurement)
Mammalia - Carnivora - Canidae
Vulpes cf. stenognathus Savage 1941
    = Vulpes stenognathus Savage 1941
Tedford et al. 2009
Epicyon validus (Stirton and Vanderhoof 1933)
    = Epicyon haydeni Leidy 1858
Alroy 2002
Borophagus sp. Cope 1892
Wang et al. 1999
possibly B. orc; "Osteoborus sp."
Mammalia - Megalonychidae
Pliometanastes sp. Hirschfeld and Webb 1968
Mammalia - Mylodontidae
Thinobadistes sp. Hay 1919
not discussed by Webb 1989
Mammalia - Proboscidea - Gomphotheriidae
Amebelodon fricki n. sp. Barbour 1927
UNL No. 4-4-27; see Barbour 1927; apparently includes A. sinclairi type of Barbour 1930, although this is a synonym of A. floridanus
unclassified
Lemoynea cf. biradicularis Brown 1980
see common names

Geography
Country:United States State/province:Nebraska County:Frontier
Coordinates: 40.5° North, 100.5° West (view map)
Paleocoordinates:40.8° North, 98.8° 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
Geological group:Ogallala Formation:Ash Hollow
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Taxonomic list comments:NOT clearly superposed above or below any other locality, contrary to Tedford et al. 1987 Fig. 6.2
Florida school equid i.d.s are retained because Voorhies' nomenclature differs for philosophical reasons only
Metadata
Also known as:Amebelodon fricki Quarry; UNSM Ft-40
Database number:18086
Authorizer:J. Alroy, J. Marcot Enterer:J. Alroy, J. Marcot
Modifier:M. Carrano Research group:vertebrate
Created:1992-08-05 00:00:00 Last modified:2018-02-05 15:21:36
Access level:the public Released:1992-08-05 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3510. M. R. Voorhies. 1990. Vertebrate biostratigraphy of the Ogallala Group in Nebraska. In T. C. Gustavson (ed.), Geologic Framework and Regional Hydrology: Upper Cenozoic Blackwater Draw and Ogallala Formations, Great Plains 115-151 [J. Alroy/J. Alroy/J. Marcot]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
38505% 23520R. C. Hulbert, Jr. 1987. Late Neogene Neohipparion (Mammalia, Equidae) from the Gulf Coastal Plain of Florida and Texas. Journal of Paleontology 61(4):809-830 [J. Alroy/M. Sommers/J. Alroy]
1949 R. C. Hulbert, Jr. 1988. Calippus and Protohippus (Mammalia, Perissodactyla, Equidae) from the Miocene (Barstovian-early Hemphillian) of the Gulf Coastal Plain. Bulletin of the Florida State Museum, Biological Sciences 32(3):221-340 [J. Alroy/J. Alroy/R. Hulbert]
2140 W. W. Korth. 2000. A new species of myagaulid rodent (Mammalia) from the Hemphillian (late Miocene) of Nebraska. Paludicola 2(4):265-268 [J. Alroy/J. Alroy/M. Uhen]
6244 B. J. MacFadden. 1984. Systematics and phylogeny of Hipparion, Neohipparion, Nannippus, and Cormohipparion (Mammalia, Equidae) from the Miocene and Pliocene of the New World. Bulletin of the American Museum of Natural History 179(1):1-195 [J. Alroy/J. Alroy/J. Marcot]
51726 D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot]
6198 R. H. Tedford, T. Galusha, M. F. Skinner, B. E. Taylor, R. W. Fields, J. R. Macdonald, J. M. Rensberger, S. D. Webb, and D. P. Whistler. 1987. Faunal succession and biochronology of the Arikareean through Hemphillian interval (late Oligocene through earliest Pliocene epochs) in North America. In M. O. Woodburne (ed.), Cenozoic Mammals of North America: Geochronology and Biostratigraphy 153-210 [J. Alroy/J. Alroy/P. Wagner]
52058 R. H. Tedford, X. Wang, and B. E. Taylor. 2009. Phylogenetic Systematics of the North American Fossil Caninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 325:1-218 [J. Marcot/J. Marcot/G. Lloyd]
11139 J. A. Van Dam. 2004. Anourosoricini (Mammalia: Soricidae) from the Mediterranena region: a pre-Quaternary example of recurrent climate-controlled north-south range shifting. Journal of Paleontology 78(4):741-764 [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]
36064 S. D. Webb. 2008. Revision of the extinct Pseudoceratinae (Artiodactyla: Ruminantia: Gelocidae). Bulletin of the Florida Museum of Natural History 48(2):17-58 [J. Alroy/J. Alroy]