Kepler Quarry No. 1: Clarendonian, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Perissodactyla - Equidae
Pliohippus sp. Marsh 1874
plausible
Neohipparion occidentale (Leidy 1856)
    = Hippotherium sp. Kaup 1832
Alroy 2002
Hipparion tehonense (Merriam 1916)
Hulbert 1989
recombined as Hipparion gratum tehonense
pers. commun.
Neohipparion affine (Leidy 1869)
Hulbert 1989
pers. commun.
Neohipparion trampasense (Edwards 1982)
Hulbert 1989
pers. commun.
Pseudhipparion gratum (Leidy 1869)
confirmed by Hulbert 1989 pers. commun.
Mammalia - Perissodactyla - Rhinocerotidae
Teleoceras sp. Hatcher 1894
Mammalia - Camelidae
Procamelus grandis Gregory 1939
Megatylopus cf. primaevus Patton 1969
Mammalia - Palaeomerycidae
Cranioceras sp. Matthew 1918
    = Cranioceratini indet. Frick 1937
Alroy 2002
Mammalia - Moschidae
Longirostromeryx sp. Frick 1937
Mammalia - Tayassuidae
Prosthennops sp. Matthew and Gidley 1904
    = Tayassuinae indet. Palmer 1897
Alroy 2002
Mammalia - Merycoidodontidae
Ustatochoerus major (Leidy 1858)
    = Merychyus major Leidy 1858
Alroy 2002
recombined as Ustatochoerus major
Mammalia - Carnivora - Canidae
Epicyon cf. saevus (Leidy 1858)
Leptocyon sp. Matthew 1918
Mammalia - Proboscidea - Gomphotheriidae
Gomphotherium sp. Burmeister 1837
Lambert 2001
    = Pediolophodon sp. Lambert 2007
Lambert 2007
Amebelodon barbourensis (Frick 1933)
    = Serbelodon sp. Frick 1933
Lambert 2007
see common names

Geography
Country:United States State/province:Nebraska County:Morrill
Coordinates: 41.7° North, 103.1° West (view map)
Paleocoordinates:42.2° North, 100.5° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5-6
*Period:Tertiary
Key time interval:Clarendonian
Age range of interval:12.50000 - 9.40000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Ash Hollow
Lithology and environment
Primary lithology: "siliciclastic"
Environment:fluvial indet.
Geology comments: "fluviatile" (Lambert 2007)
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:selective quarrying
Reason for describing collection:general faunal/floral analysis
Museum repositories:UNSM
Taxonomic list comments:list of Lambert 2007 omits several taxa that do not correspond plausibly with others he does list
Metadata
Also known as:UNSM Mo-101, UNSM Mo-102
Database number:18221
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:J. Alroy Research group:vertebrate
Created:1992-08-05 00:00:00 Last modified:2007-09-25 18:46:16
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]
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]
4190 W. D. Lambert. 2001. New Tetralophodont Gomphothere material from the Clarendonian of Nebraska and its implications for the status of Tetralophodon in North America. Journal of Vertebrate Paleontology 21(3):70A-71A [J. Alroy/R. Whatley/R. Whatley]
25376 W. D. Lambert. 2007. New tetralophodont gomphothere material from Nebraska and its implications for the status of North American Tetralophodon. Journal of Vertebrate Paleontology 27(3):676-682 [J. Alroy/J. Alroy]