Where: Chelyabinsk, Russian Federation (54.9° N, 61.4° E: paleocoordinates 58.6° N, 46.3° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Korkino Formation, Rhaetian (208.5 - 201.3 Ma)

• Age is uncertain. Martynov argues that the beds are not younger than the Middle Jurassic, but more probably Liassic. Kryshtofovich and Prinada propose a Rhaetian or Lower Liassic age. Likely from Korkino series, of Rhaetian age.

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: TsNIGR (Central Geological Research Museum, St. Petersburg)

Primary reference: A. V. Martynov. 1935. Zametka ob iskopaemykh nasekomykh iz Mezozoyskikh otlozheniy Chelyabinskogo burougol'nogo basseyna. Akademiya Nauk SSSR, Trudy Paleozoologicheskogo Instituta 4:37-48 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 157200: authorized by Matthew Clapham, entered by Matthew Clapham on 07.06.2014

Creative Commons license: CC BY (attribution)