Also known as KU-MEA-009; Locality 9
Where: Meade County, Kansas (37.2° N, 100.3° W: paleocoordinates 37.3° N, 99.9° W)
• coordinate based on political unit
When: Atwater Member (Crooked Creek Formation), Gelasian (2.6 - 1.8 Ma)
• overlies Pearlette type "B" ash, dated at 1.96 (= 2.01) +/- 0.05 Ma (KA on sanidine) by Naeser et al. 1973
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; volcaniclastic siltstone
Size classes: macrofossils, mesofossils
Primary reference: C. W. Hibbard. 1970. in Dort and Jones [J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 19927: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Heterodon nasicus2, Elaphe cf. obsoleta2, Pituophis catenifer2, Lampropeltis doliata2, Lampropeltis getulus2, Coluber constrictor2, ? Rhinocheilus lecontei2
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Mammalia | |
Geomys sp. Rafinesque 1817 pocket gopher | |
Prodipodomys tiheni1, Perognathus pearlettensis n. sp., Perognathus gidleyi, Dipodomys hibbardi n. sp.8
Perognathus gidleyi Hibbard 1941 pocket mouse | |
Sigmodon minor1, Onychomys pedroensis, Onychomys hollisteri n. sp.3, Reithrodontomys pratincola n. sp., Ondatra cf. idahoensis, Neotoma taylori n. sp., Mictomys vetus1
Ondatra cf. idahoensis Wilson 1933 muskrat described as "Pliopotamys" by Hibbard 1956, see Hibbard 1959
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Zapus burti n. sp.
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Spermophilus "sp. morph B"5, Spermophilus "sp. morph A"5, Spermophilus meadensis n. sp., Spermophilus cragini n. sp.
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Lepus cf. californicus Gray 1837 black-tailed jackrabbit confirmed by White 1991a; includes "Nekrolagus" according to Hibbard 1963a
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Sorex taylori Hibbard 1937 long-tailed shrew | |
Spilogale putorius Linnaeus 1758 eastern spotted skunk | |
"Mustela cf. frenata" = Neogale frenata4
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Equus cf. giganteus Gidley 1901 horse | |
Antilocapridae indet. Gray 1866 pronghorn | |
Camelops sp. Leidy 1854 camel | |
Platygonus sp. Leconte 1848 peccary |