Tsmurchai River Basin (Unit 8) (Cretaceous of Russian Federation)

Where: Russian Federation (41.6° N, 47.8° E: paleocoordinates 35.0° N, 53.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Levashi Formation, Late/Upper Barremian (130.0 - 125.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, ooidal, sandy limestone

• Sandy oolitic limestones

Size classes: macrofossils, mesofossils

Collected by Smirnova; reposited in the PIN

Primary reference: T. N. Smirnova. 2012. Early Cretaceous Rhynchonellids of Dagestan: System, Morphology, Stratigraphic and Paleobiogeographic Significance. Paleontological Journal 46(11):1197-1296 [M. Clapham/M. Manojlovic]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 155456: authorized by Matthew Clapham, entered by Marko Manojlovic on 14.04.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Rhynchonellida - Cyclothyrididae
Sulcirhynchia renauxiana d'Orbigny 1847
 Rhynchonellida - Tetrarhynchiidae
Belbekella sayni Jacob and Fallot 1913
Belbekella lata d'Orbigny 1847