USGS M1535 (Eocene to of the United States)

Where: Washigton (47.9° N, 123.2° W: paleocoordinates 49.0° N, 109.1° W)

• coordinate estimated from map

When: Middle Eocene to Middle Eocene (47.8 - 33.9 Ma)

• Needles-Gray Wolf lithic assemblage

Environment/lithology: marine; siliciclastic sediments

• sandstone, siltstone, slaty mudstone, and pillow basalt

Size class: macrofossils

Primary reference: R. L. Squires and J. L. Goedert. 1997. Eocene megafossils from the Needles-Gray Wolf lithic assemblage of the Easter "Core Rocks", Olympic Peninsula, Washington. Washington Geology 25(4):25-29 [M. Uhen/B. Shipps/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 203154: authorized by Mark Uhen, entered by Mark Uhen on 01.08.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
 Neogastropoda - Turridae
Gemmula sp. Weinkauff 1875 turrid
 Neogastropoda - Fasciolariidae
"? Whitneyella sp." = Perse
"? Whitneyella sp." = Perse Clark 1918 snail
Bivalvia
 Nuculida - Nuculidae
Acila (Truncacila) decisa Conrad 1855 divaricate nutclam