Mena River-2 (Cretaceous of Russian Federation)

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

• Paleocoordinates: 43.3° N, 50.2° E (Wright 2013)

• 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: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Chandomirovia ilekensis
Cephalopoda
 Orthocerida -
Bogoslovskya pseudostenomphala
Bogoslovskya pseudostenomphala
originally entered as "Bogoslovskia pseudostenomphala"
 Belemnitida - Belemnitidae
Acroteuthis explanatoides, Acroteuthis anabarensis, Acroteuthis lateralis, Acroteuthis arctica, Acroteuthis explorata
 Ammonitida - Polyptychitidae
Surites poreckoensis, Surites kozakowianus, Surites tzikwinianus
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
Buchia subokensis, Buchia surensis, Buchia elliptica, Buchia expansa, Buchia syzranensis