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)