UW 343 (Eocene of the United States)

Where: Washington (46.2° N, 123.0° W: paleocoordinates 47.1° N, 109.5° W)

• coordinate estimated from map

When: Cowlitz Formation, Bartonian (41.3 - 38.0 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: C. E. Weaver and K. Palmer. 1922. Fauna from the Eocene of Washington. University of Washington Publications in Geology 1(3):1-56 [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 201131: authorized by Mark Uhen, entered by Mark Uhen on 30.04.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Glycymerididae
"Glycymeris kelsoensis n. sp." = Glycymeris sagittata kelsoensis
"Glycymeris kelsoensis n. sp." = Glycymeris sagittata kelsoensis Weaver and Palmer 1922 clam
 Ostreida - Ostreidae
"Ostrea columbiana" = Acutostrea idriaensis
"Ostrea columbiana" = Acutostrea idriaensis Gabb 1869 oyster
 Nuculanida - Nuculanidae
"Leda cowlitzensis" = Nuculana cowlitzensis
"Leda cowlitzensis" = Nuculana cowlitzensis Weaver and Palmer 1922 pointed nut clam