Where: Alaska (57.1° N, 134.3° W: paleocoordinates 2.6° S, 69.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tuvalian (232.0 - 221.5 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Reposited in the USNM

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 33420: authorized by David Bottjer, entered by Catherine Powers on 29.07.2003

Creative Commons license: CC BY (attribution)