ammonites
CSUN 1578 (Oligocene of the United States)

Where: Clallam County, Washington (48.2° N, 124.0° W: paleocoordinates 47.8° N, 115.1° W)

• coordinate estimated from map

When: Pysht Formation, Chattian (28.4 - 23.0 Ma)

Environment/lithology: offshore; concretionary mudstone

Size class: macrofossils

Preservation: original phosphate

Collection methods: surface (in situ)

Primary reference: J. L. Goedert, R. L. Squires, and L. G. Barnes. 1995. Paleoecology of whale-fall habitats from deep-water Oligocene rocks, Olympic Peninsula, Washington state. Palaeogeography, Palaeoclimatology, Palaeoecology 118:151-158 [M. Uhen/M. Uhen/M. Uhen] more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 45810: authorized by Mark Uhen, entered by Mark Uhen on 03.12.2004