Where: Alaska (61.0° N, 144.0° W: paleocoordinates 2.7° N, 69.4° W)

• coordinate based on nearby landmark

When: Carnian (237.0 - 228.0 Ma)

Environment/lithology: marine

Primary reference: J. P. Smith. 1927. Upper Triassic marine invertebrate faunas of North America. United States Geological Survey Professional Paper 141:1-262 [D. Bottjer/C. Powers/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 33404: authorized by David Bottjer, entered by Catherine Powers on 29.07.2003

Creative Commons license: CC BY (attribution)