Where: Arkangelsk, Russian Federation (65.6° N, 43.7° E: paleocoordinates 33.2° N, 33.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Iva-Gora Beds Formation, Roadian (272.3 - 268.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lagoonal; lithified siliciclastic sediments

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Primary reference: A. V. Gorochov. 1987. New fossil Orthopterans of the families Adumbratomrphidae fam. n, Pruvostitidae and Proparagryllacrididae (Orthoptera, Ensifera) from Perm and Triassic deposits of the USSR. Vestnik Zoologii 1987(4):20-28 [M. Clapham/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 115874: authorized by Matthew Clapham, entered by Jered Karr on 04.09.2011

Creative Commons license: CC BY (attribution)