Where: Washington (48.7° N, 118.7° W: paleocoordinates 54.4° N, 101.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• "late Ypresian"

• group of beds-level stratigraphic resolution

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

Size classes: macrofossils, mesofossils

Preservation: mold/impression, adpression

Reposited in the DMNH

Primary reference: S. B. Archibald, A. P. Rasnitsyn, D. J. Brothers and R. W. Mathewes. 2018. Modernisation of the Hymenoptera: ants, bees, wasps, and sawflies of the early Eocene Okanagan Highlands of western North America. The Canadian Entomologist 150:250-257 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 192233: authorized by Matthew Clapham, entered by Matthew Clapham on 17.03.2018

Creative Commons license: CC BY (attribution)