Oka River-3 (Cretaceous of Russian Federation)

Where: Russian Federation (54.3° N, 40.3° E: paleocoordinates 47.7° N, 43.1° E)

• small collection-level geographic resolution

When: Berriasian (145.0 - 139.8 Ma)

Environment/lithology: marine; glauconitic, green sandstone

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 2512: authorized by Mark Patzkowsky, entered by Karen Layou on 07.07.1999, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Polyptychitidae
Surites sp. Sazonov 1951 ammonite
originally entered as "Surites sp."
 Belemnitida - Belemnitidae
Belemnites indet. Lamarck 1799 belemnite
Bivalvia
 Pectinida - Buchiidae
Buchia sp. Rouillier 1845 scallop