Where: Russian Federation (56.0° N, 45.0° E: paleocoordinates 49.9° N, 46.6° E)

• small collection-level geographic resolution

When: Berriasian (145.0 - 139.8 Ma)

Environment/lithology: marine; ooidal, silty, calcareous shale

Size class: macrofossils

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/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2520: authorized by Mark Patzkowsky, entered by Karen Layou on 07.07.1999, edited by Austin Hendy

Creative Commons license: CC BY (attribution)