Prairie Dog Town Site (Pleistocene of the United States)

Also known as Elm Creek

Where: Beaver County, Oklahoma (36.8° N, 100.7° W: paleocoordinates 36.8° N, 100.7° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Late/Upper Pleistocene (0.1 - 0.0 Ma)

• "ca. 0.5-1.0 m above the contact with with [underlying Permian] red beds"

•"Fossil shell from [this] site... was dated (1989) 11,410 +/- 110 YBP"

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; coarse-grained, pebbly sandstone and claystone

• "snail-rich unit of cross-bedded, pebbly coarse sand and laminated silty clay"

Size class: mesofossils

Collected by Dalquest and Baskin in 1989, 1990

Collection methods: bulk, sieve,

Primary reference: W. W. Dalquest and J. A. Baskin. 1992. Mammals of the Elm Creek Local Fauna, Late Pleistocene of Beaver County, Oklahoma. American Midland Naturalist 127:13-20 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 74144: authorized by John Alroy, entered by John Alroy on 24.07.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• the following "Elm Creek" taxa are not assigned specifically to either the Prairie Dog Town or Gregg Ranch sites: Sorex sp., Neotoma cf. micropus
 Rodentia - Cricetidae
Microtus pennsylvanicus Ord 1815 meadow vole
 Rodentia - Sciuridae
Spermophilus tridecemlineatus Mitchell 1821 thirteen-lined ground squirrel
Tamias striatus Linnaeus 1758 eastern chipmunk
 Rodentia - Geomyidae
Geomys sp. Rafinesque 1817 pocket gopher
incisor "diagnostic of this genus"
 Perissodactyla - Equidae
Equus sp. Linnaeus 1758 horse
"a few scraps of horse teeth"
 Tribosphenida - Soricidae
Sorex palustris Richardson 1828 American water shrew
 Proboscidea - Elephantidae
Mammuthus columbi Falconer 1857 Columbian mammoth
"one or more mammoths"
 Ungulata - Bovidae
Bison sp. Hamilton-Smith 1827 bison