Where: Washington (48.8° N, 118.7° W: paleocoordinates 54.5° N, 101.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Klondike Mountain Formation, Ypresian (56.0 - 47.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; lithified, brown mudstone

Size class: macrofossils

Collected by Grace Adams in 1993

• Repository: Stonerose Interpretive Center, Republic, Washington (SR).

Primary reference: G. M. Dlussky and A. P. Rasnitsyn. 2002. Ants (Hymenoptera: Formicidae) of Formation Green River and some other middle Eocene deposits of North America. Russian Entomological Journal 11:411-436 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138694: authorized by Matthew Clapham, entered by Matthew Clapham on 25.01.2013

Creative Commons license: CC BY (attribution)