Friendly, Zone 1 (Miocene of the United States)

Also known as Tinker's Creek, Tinkers Creek

Where: Prince George's County, Maryland (38.8° N, 77.0° W: paleocoordinates 38.9° N, 72.1° W)

• coordinate estimated from map

When: Calvert Formation (Chesapeake Group), Aquitanian (23.0 - 20.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: estuary or bay; brown, silty sandstone

• Very low energy but biologically diverse; shallow marine

Size class: macrofossils

Primary reference: M. D. Uhen. 2007. USNM Chesapeake Group Cetacean Collection Data. [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 71814: authorized by Mark Uhen, entered by Mark Uhen on 11.05.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Cetacea - Kentriodontidae
Kentriodon sp. Kellogg 1927 toothed whale
Kentriodon cf. pernix Kellogg 1927 toothed whale