Where: Alaska (61.6° N, 143.4° W)

• Paleocoordinates: 47.7° N, 74.8° W (Wright 2013)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: McCarthy Formation, Norian (228.0 - 208.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Preservation: cast, mold/impression

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 100924: authorized by Wolfgang Kiessling, entered by Uta Merkel on 14.12.2010

Creative Commons license: CC0 (CC0)