Bartek Brothers Farm (Pleistocene of the United States)

Also known as UNSM Sd-15

Where: Saunders County, Nebraska (41.2° N, 96.6° W: paleocoordinates 41.2° N, 96.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Sappa Formation, Irvingtonian (1.8 - 0.3 Ma)

• said to be Illinoian

Environment/lithology: terrestrial

Reposited in the UNSM

Primary reference: R. M. Chandler and L. D. Martin. 1988. Current Research in the Pleistocene 5 [J. Alroy/J. Alroy]more details

PaleoDB collection 20154: authorized by John Alroy, entered by John Alroy on 26.03.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

• originally reported by Schultz and Tanner 1957 and then by Kreycik 1969, who reports Canis cf. latrans and Mammuthus sp. and gives more precise but not necessarily more accurate i.d.s for most of the small mammals
Mammalia
 Rodentia - Cricetidae
Ondatra zibethicus Linnaeus 1766 muskrat
"Clethrionomys sp." = Myodes Pallas 1811 vole
Microtus sp. Schrank 1798 vole
Microtus pennsylvanicus Ord 1815 meadow vole
Mictomys sp. True 1894 bog lemming
"Synaptomys (Mictomys) sp." - probably M. borealis according to Koenigswald and Martin 1984
Peromyscus sp. Gloger 1841 deer mouse
 Rodentia - Sciuridae
Spermophilus cf. tridecemlineatus Mitchell 1821 thirteen-lined ground squirrel
 Rodentia - Geomyidae
Geomys sp. Rafinesque 1817 pocket gopher
 Lagomorpha - Leporidae
Sylvilagus sp. Gray 1867 cottontail rabbit
 Perissodactyla - Equidae
Equus sp. Linnaeus 1758 horse
 Tribosphenida - Soricidae
Sorex sp. Linnaeus 1758 long-tailed shrew
Sorex cinereus Kerr 1792 cinereus shrew
Blarina brevicauda Say 1823 northern short-tailed shrew
 Xenarthra - Mylodontidae
Paramylodon sp. Brown 1903 edentate
 Ungulata - Tayassuidae
Platygonus sp. Leconte 1848 peccary
 Ungulata - Camelidae
Camelops sp. Leidy 1854 camel
 Ungulata - Bovidae
Bison latifrons Harlan 1825 bison