Where: Russian Federation (55.9° N, 53.3° E: paleocoordinates 29.3° N, 44.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Baitugan Formation, Roadian (272.5 - 268.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lagoonal; lithified, gray claystone

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by A. Martynov in 1926; reposited in the PIN

• Martynov says that most specimens come from two concretions.

Primary reference: A. V. Martynov. 1928. Permian fossil Insects of North-East Europe. Travaux du Musée Géologique prés l'Académie des Scienses de l'URSS 4:1-118 [M. Clapham/J. Karr] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 116456: authorized by Matthew Clapham, entered by Jered Karr on 07.09.2011

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)