RB38, mouth of Joe Creek (Oligocene of the United States)

Where: Clallam County, Washington (48.2° N, 124.1° W: paleocoordinates 47.9° N, 115.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pysht Formation, Chattian (28.1 - 23.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Size class: macrofossils

Reposited in the CM

Primary reference: C. E. Schweitzer and R. M. Feldmann. 1999. Fossil decapod crustaceans from the late Oligocene to early Miocene Pysht Formation and late Oligocene Quimper Sandstone, Olympic Peninsula, Washington. Annals of Carnegie Museum 68(4):215-273 [C. Schweitzer/C. Schweitzer/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 202281: authorized by Mark Uhen, entered by Mark Uhen on 03.07.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Macrocheiridae
Macrocheira teglandi Rathbun 1926 spider crab
 Decapoda - Calappidae
Mursia marcusana Rathbun 1926 box crab
 Decapoda - Ctenochelidae
Callianopsis clallamensis Withers 1924 decapod