Verdigre Quarry: Barstovian, Nebraska
collected by M. Voorhies

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Proboscidea - Gomphotheriidae
Gomphotherium sp. Burmeister 1837
Mammalia - Perissodactyla - Equidae
Calippus (Grammohippus) sp. Hulbert 1988
new species of Hulbert
Calippus cf. placidus (Leidy 1869)
Pseudhipparion cf. retrusum (Cope 1889)
Cormohipparion sphenodus (Cope 1889)
    = Hippotherium sp. Kaup 1832
MacFadden 1984
Hypohippus affinis (Leidy 1858)
(1 measurement)
Megahippus sp. McGrew 1938
Mammalia - Perissodactyla - Rhinocerotidae
cf. Teleoceras sp. Hatcher 1894
Mammalia - Antilocapridae
Merycodus furcatus (Leidy 1869)
original and current combination Cosoryx furcatus
Mammalia - Moschidae
Blastomeryx sp. Cope 1877
    = Blastomerycinae indet. Frick 1937
Alroy 2002
Mammalia - Palaeomerycidae
Cranioceras skinneri Frick 1937
recombined as Procranioceras skinneri
Mammalia - Camelidae
Camelidae indet. Gray 1821
"? Pliauchenia" and "? Megatylopus"
Procamelus cf. grandis Gregory 1939
Mammalia - Merycoidodontidae
Ustatochoerus medius (Leidy 1858)
Mammalia - Tayassuidae
Prosthennops sp. Matthew and Gidley 1904
    = Prosthennops xiphodonticus Barbour 1925
Wright 1983
recombined as Stirtonhyus xiphodonticus
Mammalia - Carnivora - Felidae
Pseudaelurus sp. Leidy 1858
Mammalia - Carnivora - Ursidae
Hemicyon sp. Lartet 1851
    = Plithocyon sp. Ginsburg 1955
Hunt 1998
Mammalia - Carnivora - Mustelidae
Brachypsalis sp. Cope 1890
    = Mustelidae indet. Fischer 1817
Alroy 2002
Mustelidae indet. Fischer 1817
Leptarctus sp. Leidy 1856
Mammalia - Carnivora - Procyonidae
Bassariscus cf. parvus Hall 1927
    = Procyonidae indet. Gray 1825
Alroy 2002
which may = Probassariscus antiquus
Mammalia - Carnivora - Amphicyonidae
Pliocyon sp. Matthew 1918
    = Ischyrocyon sp. Matthew and Gidley 1904
Hunt 1998
Mammalia - Carnivora - Canidae
cf. Leptocyon vafer (Leidy 1858)
    = Leptocyon vafer Leidy 1858
Tedford et al. 2009
Tomarctus sp. Cope 1873
    = Borophaginae indet. Simpson 1945
Alroy 2002
Cynarctus sp. Matthew 1902
Aelurodon cf. platyrhinus Barbour and Cook 1917
    = Aelurodon cf. ferox Leidy 1858
Alroy 2002
Mammalia - Talpidae
Talpidae indet. (Fischer de Waldheim 1817)
Mammalia - Plesiosoricidae
Meterix sp. Hall 1929
    = Plesiosorex sp. Pomel 1848
Alroy 2002
Mammalia - Soricidae
? Limnoecus sp. Stirton 1930
Mammalia - Erinaceidae
Metechinus sp. Matthew 1929
Rich 1981
Mammalia - Lagomorpha - Leporidae
Hypolagus cf. fontinalis Dawson 1958
Mammalia - Rodentia - Mylagaulidae
Mylagaulus sp. Cope 1878
    = Mylagaulidae indet. Cope 1881
Alroy 2002
Mammalia - Rodentia - Sciuridae
Sciuridae indet. Gray 1821
Mammalia - Rodentia - Heteromyidae
Heteromyidae indet. Gray 1868
Mammalia - Rodentia - Geomyidae
Geomyidae indet. Bonaparte 1845
Mammalia - Rodentia - Castoridae
Eucastor sp. Allen 1877
    = Eucastor tortus Leidy 1858
Korth 2008
Prodipoides burgensis (Korth 2002)
Korth 2008
Mammalia - Rodentia - Zapodidae
Megasminthus tiheni Klingener 1966
Mammalia - Rodentia - Cricetidae
Peromyscus sp. Gloger 1841
Reptilia - Testudines - Trionychidae
Voorhies 1971
    = Trionychidae indet. Gray 1825
Alroy 2007
Reptilia - Crocodylia
Crocodylia indet. (Owen 1842)
Voorhies 1971 3 specimens
"crocodilian teeth"
Actinopteri - Amiiformes - Amiidae
Amia sp. Linnaeus 1766
Voorhies 1971
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteidae indet. Cuvier 1825
Voorhies 1971
"gar"
Actinopteri - Siluriformes
Siluriformes indet.
Voorhies 1971
"catfish"
Actinopteri - Sciaenidae
Sciaenidae indet. (Cuvier 1828)
Voorhies 1971
original and current combination Sciaenoidei
"drum"
Chondrichthyes - Batoidea
Batoidea indet.
Voorhies 1971
"ray"
Chondrichthyes - Selachii
Selachii indet.
Voorhies 1971
"shark"
see common names

Geography
Country:United States State/province:Nebraska County:Knox
Coordinates: 42.6° North, 98.0° West (view map)
Paleocoordinates:43.1° North, 94.7° 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
Geological group:Ogallala Formation:Valentine Member:Devil's Gulch
Regional section:ValAH Regional bed:3
Stratigraphic resolution:group of beds
Stratigraphy comments: assignment to the Devil's Gulch Member is based on Voorhies 1971
Lithology and environment
Primary lithology: conglomeratic sandstone
Lithology description: "a local lens of conglomeratic sand" (Voorhies 1971)
Environment:crevasse splay
Geology comments: "a depression on a broad floodplain adjacent to a large river which flooded to form the bonebed" (Voorhies 1971)
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:surface (in situ),field collection
Reason for describing collection:taphonomic analysis
Museum repositories:UNSM
Collectors:M. Voorhies
Metadata
Also known as:Crocodilian Locality C
Database number:18443
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:2020-01-23 17:17:55
Access level:the public Released:1992-08-05 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
5714.ETE 1470M. R. Voorhies. 1969. Taphonomy and population dynamics of an Early Pliocene vertebrate fauna, Know County, Nebraska. University of Wyoming Contributions to Geology Special Paper 1:1-69 [A. Behrensmeyer/A. Behrensmeyer/M. Uhen]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
19636 J. Alroy. 2007. Synonymies and reidentifications of North American fossil vertebrates and so forth. [J. Alroy/J. Alroy]
1976 R. M. Hunt, Jr. 1998. Ursidae. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary Mammals of North America 1:174-195 [J. Alroy/J. Alroy/M. Uhen]
1977 R. M. Hunt, Jr. 1998. Amphicyonidae. 196-227 [J. Alroy/J. Alroy/J. Alroy]
31435 W. W. Korth. 2008. Cranial morphology, systematics and succession of beavers from the middle Miocene Valentine Formation of Nebraska, USA. Acta Palaeontologica Polonica 53(2):169-182 [J. Alroy/J. Alroy]
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]
2897 T. H. V. Rich. 1981. Origin and History of the Erinaceinae and Brachyericinae (Mammalia, Insectivora) in North America. Bulletin of the American Museum of Natural History 171(1):1-116 [J. Alroy/J. Alroy/P. Mannion]
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]
24880 M. R. Voorhies. 1971. Paleoclimatic significance of crocodilian remains from the Ogallala Group (upper Tertiary) in northeastern Nebraska. Journal of Paleontology 45(1):119-121 [J. Alroy/J. Alroy]
3773 D. B. Wright. 1983. Later Miocene Tayassuidae (Artiodactyla, Mammalia) of North America. University of Nebraska, M. S. thesis 1-350 [J. Alroy/J. Alroy/J. Sepkoski]