Where: Siberia, USSR (75.0° N, 105.0° E: paleocoordinates 75.6° N, 80.0° E)

• outcrop-level geographic resolution

When: Valanginian (140.2 - 136.4 Ma)

Environment/lithology: siltstone and sandstone

Primary reference: V. N. Saks, ed. 1975. The Jurassic-Cretaceous Boundary and the Berriasian Stage in the Boreal Realm. 1-319 [M. Patzkowsky/K. Layou/A. Clement] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2464: authorized by Mark Patzkowsky, entered by Karen Layou on 05.07.1999