Where: Russian Federation (53.8° N, 54.7° E: paleocoordinates 28.1° N, 46.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Baitugan Formation, Roadian (272.3 - 268.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lagoonal; lithified, gray claystone

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collection methods: Specimens likely kept in the Vernadsky State Geological Museum (Moscow), with other fossil insects described by Zalessky

Primary reference: M. D. Zalessky. 1932. Observations sur les nouveaux insectes Permiens de l'Europe orientale. Bulletin de la Société Géologique de France, Cinquième Série 2:183-210 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 156162: authorized by Matthew Clapham, entered by Matthew Clapham on 11.05.2014

Creative Commons license: CC BY (attribution)