Tol'ya River-3 (Cretaceous of Russian Federation)

Where: Russian Federation (62.3° N, 59.0° E: paleocoordinates 57.6° N, 56.0° E)

• small collection-level geographic resolution

When: Surites analogus zone, Berriasian (145.0 - 139.8 Ma)

Environment/lithology: marine; green, argillaceous, silty sandstone

• lithology described as green to brown clayey sandy-silty, micaceous pelitomorphic chloritolite

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 2500: authorized by Mark Patzkowsky, entered by Karen Layou on 07.07.1999, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Buchiidae
Buchia okensis Pavlow 1907 scallop
Buchia volgensis Lahusen 1888 scallop
Cephalopoda
 Belemnitida - Belemnitidae
Acroteuthis sp. Stolley 1911 belemnite
 Ammonitida - Polyptychitidae
Surites sp. Sazonov 1951 ammonite
originally entered as "Surites sp."