Also known as Bird Quarry Site; Calcirudite Site

Where: Park County, Wyoming (44.8° N, 109.1° W: paleocoordinates 49.6° N, 91.9° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Willwood Formation, Wasatchian (55.8 - 50.3 Ma)

• "zone Wa-2 of Gingerich, 1983"

•the Bird Quarry lens "varies from 10-20 cm in thickness" and the Calcirudite Site is another lens that outcrops "some 10 m higher stratigraphically" and has "a maximum thickness in placs of 30-40 cm"

• group of beds-level stratigraphic resolution

Environment/lithology: wet floodplain; lithified, lenticular, bioturbated wackestone and unlithified, concretionary carbonate

Size classes: macrofossils, mesofossils

Reposited in the UMMP

Primary reference: P. D. Gingerich. 1987. Early Eocene bats (Mammalia, Chiroptera) and other vertebrates in freshwater limestones of the Willlwood Formation, Clark's Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(11):275-320 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 15779: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)