Sand Draw Quarry: Blancan, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Sciuridae
Spermophilus meltoni Hibbard 1972
Spermophilus boothi Hibbard 1972
Spermophilus johnstoni Hibbard 1972
Mammalia - Rodentia - Geomyidae
Geomys quinni McGrew 1944
Mammalia - Rodentia - Castoridae
Dipoides rexroadensis Hibbard and Riggs 1949
Procastoroides sweeti Barbour and Schultz 1937
Mammalia - Rodentia - Cricetidae
Nebraskomys mcgrewi n. sp. Hibbard 1957
see Hibbard 1957a (1 measurement)
Pliophenacomys primaevus (Hibbard 1937)
OK, see Zakrzewski 1984
Sigmodon medius Gidley 1922
synonym of Sigmodon minor
Neotoma sp. Say and Ord 1825
    = Neotoma cf. quadriplicata Hibbard 1941
Zakrzewski 1993
Peromyscus cf. kansasensis Hibbard 1941
Calomys (Bensonomys) meadensis (Hibbard 1956)
Pliophenacomys primaevus (Hibbard 1937)
    = Hibbardomys skinneri n. sp. Zakrzewski 1984
Zakrzewski 1984
in part
Onychomys sp. Baird 1858
Ogmodontomys poaphagus Hibbard 1941
described by Zakrzewski 1967a
Pliolemmus antiquus Hibbard 1937
Pliopotamys meadensis Hibbard 1937
    = Ondatra meadensis Hibbard 1937
Alroy 2002
Ophiomys magilli Hibbard 1972
placed in Ogmodontomys as a lapsus
Ophiomys fricki Hibbard 1972
Mammalia - Lagomorpha - Leporidae
Leporidae indet. Fischer de Waldheim 1817
Mammalia - Soricidae
Planisorex dixonensis (Hibbard 1956)
Sorex sandersi Hibbard 1956
Mammalia - Talpidae
Scalopus aquaticus (Linnaeus 1758)
Mammalia - Perissodactyla - Equidae
Equus calobatus (Troxell 1915)
synonym of Equus francisci
Equus simplicidens Cope 1892
recombined as Plesippus simplicidens
Mammalia - Tayassuidae
Platygonus sp. Leconte 1848
Mammalia - Camelidae
Camelops sp. Leidy 1854
Gigantocamelus sp. Barbour and Schultz 1939
    = Gigantocamelus spatulus Cope 1893
Alroy 2002
replaces ID of McGrew
Tanupolama sp. Stock 1928
    = Hemiauchenia sp. Gervais and Ameghino 1880
Alroy 2002
from "Sand Draw"
Mammalia - Cervidae
Cervidae indet. Gray 1821
Mammalia - Antilocapridae
Capromeryx sp. Matthew 1902
    = Capromeryx tauntonensis Morgan and Morgan 1995
Morgan and Morgan 1995
"Antilocapridae indet. of Skinner and Hibbard 1972; "C. furcifer" of Frick 1937 from "Stegomastodon Quarry"
Mammalia - Carnivora - Felidae
Smilodon sp. Lund 1841
    = Machairodontinae indet. Gill 1872
Alroy 2002
replaces ID of McGrew
Mammalia - Carnivora - Mephitidae
Buisnictis burrowsi Skinner and Hibbard 1972
Mammalia - Carnivora - Mustelidae
Trigonictis kansasensis Hibbard 1941
    = Trigonictis macrodon Cope 1868
Alroy 2002
or "T. idahoensis"
Trigonictis cookii (Gazin 1934)
Ray et al. 1981
from "Booth Draw" loc. 277
Satherium priscinaria
    = Satherium piscinarium Leidy 1873
Alroy 2002
Taxidea cf. taxus (Schreber 1778)
Mammalia - Carnivora - Canidae
Canis lepophagus Johnston 1938
Canis edwardii Gazin 1942
Tedford et al. 2009
Borophagus diversidens Cope 1892
confirmed by Wang et al. 1999
Mammalia - Proboscidea - Gomphotheriidae
Stegomastodon primitivus Osborn 1936
Reptilia - Testudines - Kinosternoidea
Kinosternon flavescens (Agassiz 1857)
Fichter 1969
Reptilia - Testudines - Testudinidae
Geochelone (Hesperotestudo) oelrichi Holman 1972
Holman 1972
synonym of Hesperotestudo turgida
paratypes
Geochelone (Hesperotestudo) sp. (Williams 1950)
Auffenberg 1962
possibly johnstoni
    = Caudochelys sp. Auffenberg 1963
Vlachos 2018
synonym of Hesperotestudo
Reptilia - Colubridae
Natrix sp. Laurenti 1768
Brattstrom 1967
    = Nerodia sp. Baird and Girard 1853
Alroy 2009
Thamnophis sp. Fitzinger 1843
Brattstrom 1967
Heterodon platyrhinos (Latreille 1801)
Brattstrom 1967
see common names

Geography
Country:United States State/province:Nebraska County:Brown
Coordinates: 42.7° North, 100.0° West (view map)
Paleocoordinates:42.8° North, 99.3° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
10 m.y. bin:Cenozoic 6
*Period:Tertiary *Epoch:Pliocene
Key time interval:Blancan
Age range of interval:4.90000 - 1.80000 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
Taxonomic list comments:from a single 26 ft interval
list updated and extended by Skinner and Hibbard 1972
"Equus cf. conversidens": specimen is from an indeterminate horizon
Metadata
Also known as:UNSM Sand Draw locality; Frick Prospecting Locality 277; Magill; Owl Pellet; UM-Neb. sites 1-66, 2-66, 2-67, 4-67, 5-67, 1-68
Database number:19963
Authorizer:J. Alroy, J. Marcot, E. Vlachos Enterer:J. Alroy, E. Vlachos, J. Marcot
Modifier:J. Alroy Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2009-07-15 19:07:59
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

2518. P. O. McGrew. 1944. An Early Pleistocene (Blancan) fauna from Nebraska. Geological Series, Field Museum of Natural History 9(2):31-66 [J. Alroy/J. Alroy/C. Bell]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
29343 J. Alroy. 2009. High-handed opinions on taxonomy and other matters. [J. Alroy/J. Alroy]
27051 W. Auffenberg. 1962. A new species of Geochelone from the Pleistocene of Texas. Copeia 1962(3):627-636 [J. Alroy/J. Alroy/J. Alroy]
30836 B. H. Brattstrom. 1967. A succession of Pliocene and Pleistocene snake faunas from the High Plains of the United States. Copeia 1967(1):188-202 [J. Alroy/J. Alroy]
26905 L. S. Fichter. 1969. Geographical distribution and osteological variation in fossil and Recent specimens of two species of Kinosternon (Testudines). Journal of Herpetology 3(3/4):113-119 [J. Alroy/J. Alroy]
64778 J. A. Holman. 1972. Amphibians and reptiles. Bulletin of the American Museum of Natural History 148:55-71 [E. Vlachos/E. Vlachos]
2625 J. K. Morgan and N. H. Morgan. 1995. A New Species of Capromeryx (Mammalia: Artiodactyla) from the Taunton Local Fauna of Washington, and the Correlation with Other Blancan Faunas of Washington and Idaho. Journal of Vertebrate Paleontology 15(1):160-170 [J. Alroy/J. Alroy/J. Ju]
2841 C. E. Ray, E. Anderson, and S. D. Webb. 1981. The Blancan carnivore Trigonictis (Mammalia: Mustelidae) in the Eastern United States. Brimleyana 5:1-36 [J. Alroy/J. Alroy/M. Uhen]
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]
64371 E. Vlachos. 2018. A Review of the Fossil Record of North American Turtles of the Clade Pan-Testudinoidea. Bulletin of the Yale Peabody Museum of Natural History 59(1):3-94 [E. Vlachos/E. Vlachos/E. Vlachos]
3792 R. J. Zakrzewski. 1984. New Arvicolines (Mammalia: Rodentia) from the Blancan of Kansas and Nebraska. In H. H. Genoways and M. R. Dawson (eds.), Carnegie Museum of Natural History Special Publication 8:200-217 [J. Alroy/J. Alroy/M. Uhen]
3797 R. J. Zakrzewski. 1993. Morphological change in woodrat (Rodentia: Cricetidae) molars. In R. A. Martin and A. D. Barnosky (eds.), Morphological change in Quaternary mammals of North America 392-410 [J. Alroy/J. Alroy/M. Uhen]