Feyereisen Gap (Upper) (Miocene of the United States)

Also known as SDSM V-733 in part; Top Quarry Unit 9

Where: Gregory County, South Dakota (43.3° N, 99.3° W: paleocoordinates 43.9° N, 96.0° W)

• coordinate based on political unit

When: Barstovian (16.0 - 13.6 Ma)

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Reposited in the SDSM

Primary reference: M. Green. 1977. Neogene Zapodidae (Mammalia: Rodentia) from South Dakota. Journal of Paleontology 51(5) [J. Alroy/J. Alroy/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18161: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Rodentia - Zapodidae
Megasminthus tiheni Klingener 1966 jumping mouse
M. sp. of Green 1977c