Seventymile terrane, Eagle D-3 quadrangle, Locality 7c (Permian of the United States)

Also known as USGS collection 23599-PC

Where: Alaska (64.9° N, 142.1° W: paleocoordinates 38.7° N, 30.8° W)

When: Guadalupian (272.3 - 259.9 Ma)

• Unit Pq of Foster (1976), likely the same bed as Seventymile terrane, Eagle D-3 quadrangle, Locality 7a.

Environment/lithology: marine; lithified sandstone and lithified siltstone

Size class: macrofossils

Collected by H. L. Foster in 1973

Primary reference: C. Dusel-Bacon and A. G. Harris. 2001. New occurrences of Late Paleozoic and Triassic fossils from the Seventymile and Yukon-Tanana terranes, east-central Alaska, with comments on previously published occurrences in the same area. United States Geological Survey Professional Paper 1678:5-25 [A. Miller/S. Kolbe/S. Kolbe]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 99528: authorized by Arnold Miller, entered by Sarah Kolbe on 15.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• Identified by J. T. Dutro, Jr.
 Productida -
 Productida - Productidae
Yakovlevia sp. Fredericks 1925
 Productida - Rugosochonetidae
? Chonetinella sp. Ramsbottom 1952
 Spiriferida -
 Spiriferida - Trigonotretidae
? Neospirifer sp. Fredericks 1919
 Spiriferida - Spiriferellidae
Spiriferella sp. Tschernyschew 1902