Where: Alaska (69.5° N, 146.3° W: paleocoordinates 46.5° N, 32.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Carnian (237.0 - 228.0 Ma)

• "presumably of Karnic age"

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by E.K. Leffingwell; reposited in the USNM

• Collected by Anglo-American Expedition

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 33432: authorized by David Bottjer, entered by Catherine Powers on 29.07.2003, edited by Austin Hendy

Creative Commons license: CC BY (attribution)