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