Mena River-2 (Cretaceous of Russian Federation)

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; silty, calcareous sandstone

• lithology described as clayey-silty sandstone, quartzose-glauconitic, calcareous, strongly ferruginized, rust-brown with greenish grey and pinkish patches

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 2517: authorized by Mark Patzkowsky, entered by Karen Layou on 07.07.1999, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Cephalopoda
 Orthocerida -
Bogoslovskya pseudostenomphala
originally entered as "Bogoslovskia pseudostenomphala"
 Belemnitida - Belemnitidae
 Ammonitida - Polyptychitidae
Surites poreckoensis ammonite
originally entered as "Surites poreckoensis"
Surites kozakowianus ammonite
originally entered as "Surites kozakowianus"
Surites tzikwinianus ammonite
originally entered as "Surites tzikwinianus"
Bivalvia
 Pectinida - Buchiidae