Where: Alaska (65.2° N, 141.7° W: paleocoordinates 37.4° N, 39.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Longobardian (242.0 - 235.0 Ma)

• Age based on presence of Sphaerocladiscites martini, probably correlative with meginae zone

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by Eliot Blackwelder; 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 144373: authorized by Matthew Clapham, entered by Matthew Clapham on 06.05.2013, edited by Catherine Powers

Creative Commons license: CC BY (attribution)