Borchers: Gelasian, Kansas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Colubridae
Lampropeltis doliata
Brattstrom 1967
Lampropeltis getulus (Linnaeus 1766)
Brattstrom 1967
Elaphe cf. obsoleta (Say 1823)
Brattstrom 1967
Pituophis catenifer
Brattstrom 1967
Coluber constrictor Linnaeus 1758
Brattstrom 1967
? Rhinocheilus lecontei
Brattstrom 1967
Heterodon nasicus Baird and Girard 1852
Brattstrom 1967
Reptilia - Crotalidae
Crotalus viridis Rafinesque 1818
Brattstrom 1967
Agkistrodon contortix
Brattstrom 1967
nomen dubium belonging to Crocopoda
Sistrurus catenatus
Brattstrom 1967
Mammalia - Carnivora - Mustelidae
Mustela cf. frenata Lichtenstein 1831
Getz 1960
recombined as Neogale frenata
(3 measurements)
Mammalia - Carnivora - Mephitidae
Spilogale ambarvalis Bangs 1898
Getz 1960
(3 measurements)
    = Spilogale putorius Linnaeus 1758
Hibbard 1970
Mammalia - Carnivora - Canidae
Canis cf. latrans Say 1823
Getz 1960
Urocyon atwaterensis Getz 1960
Getz 1960
    = Urocyon cinereoargenteus Schreber 1775
Alroy 2002
Mammalia - Carnivora - Felidae
Felis sp. Linnaeus 1758
    = Lynx sp. Kerr 1792
Alroy 2002
described by Werdelin as close to L. rexroadensis
Mammalia - Perissodactyla - Equidae
Equus cf. giganteus Gidley 1901
Mammalia - Tayassuidae
Platygonus sp. Leconte 1848
Mammalia - Camelidae
Tanupolama sp. Stock 1928
    = Hemiauchenia sp. Gervais and Ameghino 1880
Hibbard 1954
I presume this is omitted accidentally by Hibbard 1970c
Camelops sp. Leidy 1854
Mammalia - Antilocapridae
Antilocapridae indet. Gray 1866
Mammalia - Soricidae
Sorex taylori Hibbard 1937
Mammalia - Lagomorpha - Leporidae
Lepus cf. californicus Gray 1837
confirmed by White 1991a; includes "Nekrolagus" according to Hibbard 1963a
Hypolagus sp. Dice 1917
    = Alilepus hibbardi White 1991
White 1991
Mammalia - Rodentia - Zapodidae
Zapus burti n. sp. Hibbard 1941
see Hibbard 1941d
Mammalia - Rodentia - Cricetidae
Onychomys pedroensis Gidley 1922
includes type of "O. fossilis" of Hibbard 1941d
Onychomys hollisteri n. sp. Carleton and Eshelman 1979
Carleton and Eshelman 1979 4 specimens
Neotoma taylori n. sp. Hibbard 1967
see Hibbard 1967
Sigmodon hilli n. sp. Hibbard 1941
(1 measurement)
    = Sigmodon minor Gidley 1922
Alroy 2002
replaces ID of Hibbard 1941d
Synaptomys landesi n. sp. Hibbard 1954
(1 measurement)
    = Mictomys vetus Wilson 1933
Alroy 2002
see Hibbard 1954a
Ondatra cf. idahoensis Wilson 1933
described as "Pliopotamys" by Hibbard 1956, see Hibbard 1959 (1 measurement)
Reithrodontomys pratincola n. sp. Hibbard 1941
see Hibbard 1941d
Mammalia - Rodentia - Sciuridae
Spermophilus informal sp. morph B Cuvier 1825
Goodwin and Hayes 1994
"morph A"
Spermophilus informal sp. morph A Cuvier 1825
Goodwin and Hayes 1994
"morph B"
Spermophilus cragini n. sp. (Hibbard 1941)
see Hibbard 1941d
Spermophilus meadensis n. sp. (Hibbard 1941)
see Hibbard 1941d
Mammalia - Rodentia - Geomyidae
Geomys sp. Rafinesque 1817
Mammalia - Rodentia - Heteromyidae
Perognathus pearlettensis n. sp. Hibbard 1941
see Hibbard 1941d
Perognathus gidleyi Hibbard 1941
Etadonomys tiheni n. sp. Hibbard 1943
    = Prodipodomys tiheni Hibbard 1943
Alroy 2002
see Hibbard 1943a and Zakrzewski 1981
Dipodomys hibbardi n. sp. Zakrzewski 1981
Zakrzewski 1981
see common names

Geography
Country:United States State/province:Kansas County:Meade
Coordinates: 37.2° North, 100.3° West (view map)
Paleocoordinates:37.3° North, 99.9° West
Basis of coordinate:based on political unit
Time
Period:Quaternary Epoch:Pleistocene
Stage:Gelasian 10 m.y. bin:Cenozoic 6
*Period:Tertiary *Epoch:Pliocene
*Local age/stage:Blancan
Key time interval:Gelasian
Age range of interval:2.58000 - 1.80000 m.y. ago
Age estimate:maximum 2.01 ± 0.05 Ma (14C (calibrated))
* legacy (obsolete) database fields
Stratigraphy
Formation:Crooked Creek Member:Atwater
Local section:Meade Local bed:7
Local order:bottom to top
Stratigraphic resolution:group of beds
Stratigraphy comments: overlies Pearlette type "B" ash, dated at 1.96 (= 2.01) +/- 0.05 Ma (KA on sanidine) by Naeser et al. 1973
Lithology and environment
Primary lithology:volcaniclastic siltstone
Lithology description: Goodwin and Hayes 1994: Specimens were collected from a weathered ash and silt layer 1.22 m thick overlying a bedded volcanic ash.
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection excludes:some genera
Collection methods:field collection,survey of museum collection
Reason for describing collection:taxonomic analysis
Taxonomic list comments:originally reported by Hibbard 1941d
Metadata
Also known as:KU-MEA-009; Locality 9
Database number:19927
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:B. Allen Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2023-07-29 14:40:10
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
1894. C. W. Hibbard. 1970. in Dort and Jones [J. Alroy/J. Alroy]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
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]
1172 M. D. Carleton and R. E. Eshelman. 1979. A Synopsis of Fossil Grasshopper Mice, Genus Onychomys, and their Relationships to Recent Species . University of Michigan Papers on Paleontology 21:1-63 [J. Alroy/J. Alroy/M. Uhen]
24906 L. L. Getz. 1960. Middle Pleistocene carnivores from southwestern Kansas. Journal of Mammalogy 41(3):361-365 [J. Alroy/J. Alroy]
16875% 14480H. T. Goodwin and F. E. Hayes. 1994. Morphologically derived ground squirrels from the Borchers local fauna, Meade County, Kansas, with a redescription of ?Spermorphilus cragini. Journal of Vertebrate Paleontology 14(2):278-291 [J. Alroy/J. Alroy/M. Carrano]
1872 C. W. Hibbard. 1954. A new Synaptomys, an addition to the Borchers interglacial (Yarmouth?) fauna [Kansas]. Journal of Mammalogy 35(2):249-252 [J. Alroy/J. Alroy/J. Alroy]
3633 J. A. White. 1991. North American Leporinae (Mammalia: Lagomorpha) from late Miocene (Clarendonian) to latest Pliocene (Blancan). Journal of Vertebrate Paleontology 11(1):67-89 [J. Alroy/J. Alroy/J. Alroy]
37915% 29960R. J. Zakrzewski. 1981. Kangaroo rats from the Borchers local fauna, Blancan, Meade County, Kansas. Transactions of the Kansas Academy of Sciences 84(2):78-88 [J. Alroy/J. Alroy/J. Alroy]