Where: Natrona County, Wyoming (42.7° N, 106.4° W: paleocoordinates 10.4° N, 31.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Alcova Limestone Member (Crow Mountain Formation), Spathian (251.3 - 247.2 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lithified, stromatolitic, carbonaceous limestone

Size class: macrofossils

Primary reference: O. Rieppel. 1998. Corosaurus alcovensis Case and the phylogenetic interrelationships of Triassic stem-group Sauropterygia. Zoological Journal of the Linnean Society 124:1-41 [S. Peters/D. Lovelace]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 85941: authorized by Shanan Peters, entered by David Lovelace on 20.01.2009

Creative Commons license: CC BY (attribution)