Nuka Ridge, locality FS68 A37, De Long Mountains (Carboniferous of the United States)

Where: Alaska (68.6° N, 159.3° W: paleocoordinates 27.6° N, 16.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Meramecian (345.0 - 336.0 Ma)

• Probable Meramecian

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, calcareous, cherty/siliceous shale

• Dark calcareous and siliceous shale

Size class: macrofossils

Collected by F. J. Stehli

• Repository: University of Alaska

Primary reference: C. K. Chamberlain. 1977. Carboniferous and Permian trilobites from Ellesmere Island and Alaska. Journal of Paleontology 51:758-771 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 132288: authorized by Matthew Clapham, entered by Matthew Clapham on 11.08.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Proetida - Proetidae
Griffithides (Metaphillipsia) ? bufo Meek and Worthen 1870 trilobite