Where: Russian Federation (64.0° N, 162.0° E: paleocoordinates 67.1° N, 89.2° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Norian to Norian (221.5 - 201.6 Ma)

• Upper Norian - Rhaetian

Environment/lithology: marine; claystone and siltstone

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: bulk

Primary reference: L. V. Milova. 1976. Triassic-Jurassic stratigraphy and Bivalvia of northern Priokhotye. Akademia Nauk SSSR, Trudy Severo-Vost. Kompl. Nauchno. Issled. Institut 65 [M. Aberhan/S. Nurnberg/S. Nurnberg] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 39310: authorized by Martin Aberhan, entered by Sabine Nürnberg on 26.05.2004