Where: Arkhangelsk, Russian Federation (68.4° N, 62.4° E: paleocoordinates 45.1° N, 30.0° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Nyadeita Formation, Olenekian (251.2 - 247.2 Ma)

• Lower Triassic, upper Vetlugian (?), lower subformation of Lestanshor Formation (Novikov, 1991).

•Ustmylian, Lower Olenekian, Lower Triassic (Ivakhnenko, 2008).

•The most acceptable age for this assemblage of beetle elytra can be the Late Olenekian.

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; gray, argillaceous shale

Size class: mesofossils

Preservation: mold/impression

Reposited in the PIN

Primary reference: A. G. Ponomarenko. 2008. New Triassic Beetles (Coleoptera) from Northern European Russia. Paleontological Journal 42(6):600-606 [M. Clapham/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 108318: authorized by Matthew Clapham, entered by Jered Karr on 28.04.2011

Creative Commons license: CC BY (attribution)