Where: Lenawee County, Michigan (42.0° N, 83.9° W: paleocoordinates 42.0° N, 83.9° W)

• coordinate estimated from map

When: Holocene (0.0 - 0.0 Ma)

• bone radiocarbon dated at < 190 B. P.

Environment/lithology: mire or swamp; lithology not reported

Size class: macrofossils

Preservation: original phosphate, anthropogenic

Reposited in the UMMP

Collection methods: quarrying,

• probably deposited by humans

Primary reference: C. E. Harington. 1977. Marine mammals in the Champlain Sea and the Great Lakes. Annals of the New York Academy of Sciences 288:508-537 [M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 51030: authorized by Mark Uhen, entered by Mark Uhen on 26.05.2005

Creative Commons license: CC BY (attribution)