Friendly, Zone 3b (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 39.0° N, 73.0° W)

• coordinate estimated from map

When: Fairhaven Member (Calvert Formation), Burdigalian (20.4 - 16.0 Ma)

• Zone 3-4: Changed to 3B as the Fairhaven Member does not include zone 4.

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithology not reported

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 71807: authorized by Mark Uhen, entered by Mark Uhen on 11.05.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

 Rajiformes - Rhynchobatidae
Rhynchobatus pristinus Probst 1877 wedgefish
 Myliobatiformes - Dasyatidae
Dasyatis sp. Rafinesque 1810 whiptail stingray