Johnson Site (Pleistocene of the United States)

Where: Genesee County, Michigan (43.0° N, 83.5° W: paleocoordinates 43.0° N, 83.5° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

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

Environment/lithology: fluvial; unlithified sandstone

Size class: macrofossils

Reposited in the UMMP

Primary reference: J. A. Holman, D. C. Fisher, and R. O. Kapp. 1986. Recent discoveries of fossil vertebrates in the lower peninsula of Michigan. Michigan Academician 18(3):431-463 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 63237: authorized by Mark Uhen, entered by Mark Uhen on 09.08.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Proboscidea - Elephantidae
Mammuthus sp. Brookes 1828 mammoth
 Proboscidea - Mammutidae
Mammut americanum Kerr 1792 American mastodon