Forked Hills of Hayden: Barstovian, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Allomys stirtoni Klingener 1968
    = informal Barstovian allomyine cf. stirtoni
Alroy 2002
Mammalia - Proboscidea - Gomphotheriidae
Gomphotherium cf. osborni (Barbour 1916)
    = Gomphotherium cf. willistoni Barbour 1914
Alroy 2002
synonym of Trilophodon osborni
Mammalia - Perissodactyla - Equidae
Protohippus perditus (Leidy 1858)
Pliohippus mirabilis (Leidy 1858)
Calippus placidus (Leidy 1869)
Neohipparion republicanus (Osborn 1918)
    = Hipparionini indet. Quinn 1955
Alroy 2002
Hypohippus osborni Gidley 1907
Parahippus cognatus (Leidy 1858)
Megahippus mckennai Tedford and Alf 1962
Mammalia - Perissodactyla - Rhinocerotidae
Peraceras cf. crassus (Leidy 1858)
    = Peraceras cf. superciliosum Cope 1880
Alroy 2002
original and current combination Peraceras superciliosus
Mammalia - Antilocapridae
Merycodus warreni (Leidy 1858)
Mammalia - Moschidae
Longirostromeryx blicki Frick 1937
synonym of Longirostromeryx wellsi
Mammalia - Palaeomerycidae
Cranioceras skinneri Frick 1937
    = Procranioceras skinneri Frick 1937
Alroy 2002
Mammalia - Camelidae
Protolabis cf. gracilis (Leidy 1858)
Procamelus occidentalis Leidy 1858
Aepycamelus robustus (Leidy 1858)
Mammalia - Merycoidodontidae
Ustatochoerus medius (Leidy 1858)
    = Merychyus medius Leidy 1858
Alroy 2002
recombined as Ustatochoerus medius
Mammalia - Tayassuidae
Dyseohyus xiphodonticus (Barbour 1925)
    = Prosthennops xiphodonticus Barbour 1925
Alroy 2002
recombined as Stirtonhyus xiphodonticus
Mammalia - Carnivora - Felidae
Pseudaelurus intrepidus (Leidy 1858)
Mammalia - Carnivora - Mustelidae
Leptarctus cf. bozemanensis (Dorr 1954)
    = Hypsoparia cf. bozemanensis Dorr 1954
Alroy 2002
synonym of Leptarctus primus
Brachypsalis pachycephalus Cope 1890
Mammalia - Carnivora - Procyonidae
Probassariscus sp. Merriam 1911
Mammalia - Carnivora - Amphicyonidae
Amphicyonidae indet. Haeckel 1886
Mammalia - Carnivora - Canidae
Leptocyon vafer (Leidy 1858)
Cynarctus saxatilis Matthew 1902
Tomarctus temerarius (Leidy 1858)
    = Paratomarctus temerarius Leidy 1858
Alroy 2002
not discussed by Wang et al. 1999
Aelurodon ferox Leidy 1858
Mammalia - Talpidae
Domninoides valentinensis Reed 1962
Mystipterus sp. Hall 1930
Mammalia - Erinaceidae
Metechinus amplior Rich 1981
Parvericius montanus Koerner 1940
Untermannerix copiosus Rich 1981
Mammalia - Lagomorpha - Leporidae
Hypolagus sp. Dice 1917
    = Archaeolaginae indet.
Alroy 2002
Mammalia - Rodentia - Mylagaulidae
Mylagaulus cf. monodon Cope 1881
    = Mylagaulidae indet. Cope 1881
Korth 2000
Mammalia - Rodentia - Sciuridae
Protospermophilus sp. Gazin 1930
Eutamias sp. Trouessart 1880
    = Tamiini indet.
Alroy 2002
synonym of Marmotini
Sciuropterus sp. Cuvier 1825
    = Petauristodon sp. Engesser 1979
Alroy 2002
Mammalia - Rodentia - Heteromyidae
Cupidinimus nebraskensis Wood 1935
Perognathus brevidens Korth 1987
Perognathus trojectioansrum Korth 1979
Mammalia - Rodentia - Geomyidae
Parapliosaccomys annae Korth 1987
    = Phelosaccomys annae Korth 1987
Alroy 2002
original and current combination Parapliosaccomys annae
Mammalia - Rodentia - Castoridae
Eucastor tortus (Leidy 1858)
Monosaulax curtus (Matthew and Cook 1909)
Mammalia - Rodentia - Zapodidae
Megasminthus tiheni Klingener 1966
Schaubeumys cartomylos Korth 1987
Mammalia - Rodentia - Cricetidae
Copemys niobrariensis (Hoffmeister 1959)
synonym of Copemys longidens
Reptilia - Testudines - Emydidae
Glyptemys valentinensis Holman and Fritz 2001
Holman and Fritz 2001
see common names

Geography
Country:United States State/province:Nebraska County:Boyd
Coordinates: 42.9° North, 98.8° West (view map)
Paleocoordinates:43.4° North, 95.5° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5
*Period:Tertiary
Key time interval:Barstovian
Age range of interval:16.30000 - 12.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Lithology and environment
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
Museum repositories:UNSM
Metadata
Also known as:UNSM Bd-101
Database number:18164
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:J. Alroy Research group:vertebrate
Created:1992-08-05 00:00:00 Last modified:2009-07-15 19:32:16
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]
24970 J. A. Holman and U. Fritz. 2001. A new emydine species from the Medial Miocene (Barstovian) of Nebraska, USA with a new generic arrangement for the species of Clemmys sensu McDowell (1964) (Reptilia: Testudines: Emydidae). Zoologische Abhandlungen: Staatliches Museum für Tierkunde Dresden 51(19):321-343 [J. Alroy/J. Alroy]
2143 W. W. Korth. 2000. Review of Miocene (Hemingfordian to Clarendonian) mylagaulid rodents (Mammalia) from Nebraska. Annals of Carnegie Museum 69(4):227-280 [J. Alroy/J. Alroy/J. Marcot]