Where: Alaska (69.5° N, 145.5° W: paleocoordinates 51.5° N, 43.3° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Shublik Formation, Carnian to Carnian (237.0 - 208.5 Ma)

• formation-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

Size class: macrofossils

Primary reference: C. McRoberts. 1992. Systematics and paleobiogeography of Late Triassic Gryphaea (Bivalvia) from the North American Cordillera. Journal of Paleontology 66(1):28-39 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 69491: authorized by Wolfgang Kiessling, entered by Uta Merkel on 27.02.2007

Creative Commons license: CC BY (attribution)