Oka River-1 (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, argillaceous 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 2510: authorized by Mark Patzkowsky, entered by Karen Layou on 07.07.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
unclassified | |
| |
Bivalvia | |
Trigonia scapha clam | |
Buchia fischeriana d'Orbigny 1845 scallop
Buchia volgensis Lahusen 1888 scallop | |
Cephalopoda | |
Acroteuthis uralensis belemnite
Acroteuthis posquensis belemnite
Acroteuthis prolateralis belemnite
Acroteuthis russiensis belemnite | |
Euthymiceras transfigurabile, Euthymiceras hospes, Euthymiceras micheicum, Euthymiceras ixexploartum, aff. Euthymiceras progenitor, Riasanites subrjasanensis, Riasanites swistowianus, Riasanites rjasanensis, Neocomites sp.
Euthymiceras transfigurabile ammonite
Euthymiceras hospes ammonite
Euthymiceras micheicum ammonite
Euthymiceras ixexploartum ammonite
Riasanites subrjasanensis ammonite
Riasanites swistowianus ammonite
Riasanites rjasanensis Lahusen 1883 ammonite
Neocomites sp. Uhlig 1905 ammonite |