Locality 9385, south bank of Yukon River (Triassic of the United States)

Also known as Locality 8849

Where: Alaska (65.2° N, 141.7° W: paleocoordinates 39.8° N, 43.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Julian (235.0 - 232.0 Ma)

• "probably Dawsonites zone" (Dawsonites now Daxatina)

Environment/lithology: lithified limestone

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 33431: authorized by David Bottjer, entered by Catherine Powers on 29.07.2003, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ceratitida - Nathorstitidae
Nathorstites alaskanus n. sp. Smith 1927 ceratite
 Nautilida - Tainoceratidae
Germanonautilus brooksi Smith 1927 nautiloid
Bivalvia
 Pectinida - Aviculopectinidae
Eumorphotis nationalis n. sp. Smith 1927 scallop