Rainbow Mountain/Gulkana Glacier D-4, Alaska Range (Permian of the United States)

Where: Alaska (63.3° N, 145.5° W: paleocoordinates 12.8° N, 62.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Middle Ridge Member (Phelan Creek Formation), Sakmarian (295.5 - 290.1 Ma)

Environment/lithology: marine; lithified, argillaceous limestone and lithified mudstone

Size class: macrofossils

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 105038: authorized by Matthew Clapham, entered by Matthew Clapham on 14.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Proetida - Brachymetopidae
Cheiropyge himalayensis Diener 1897 trilobite