Right bank of the Oka, Chevkino (Cretaceous of Russian Federation)

Where: Russian Federation (54.4° N, 40.4° E: paleocoordinates 47.8° N, 43.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Berriasian (145.0 - 139.8 Ma)

• "Ryazan horizon"

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by P. A. Gerasimova

• Repository: Moscow State University

Primary reference: T. N. Smirnova. 1975. New Terebratulida from the Berriasian and Lower Hauterivian of the Russian Platform (NOVYYe TEREBRATULIDY BERRIASA I NIZHNEGO GOTERIVA RUSSKOY PLATFORMY). Paleontologicheskii zhurnal 1975(3):70-82 [M. Clapham/M. Manojlovic/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 164368: authorized by Matthew Clapham, entered by Marko Manojlovic on 01.12.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

 Terebratulida - Zeilleriidae
Russiella bullata Rouillier 1847
Russiella bullata n. ssp. okensis
 Terebratulida - Lissajousithyrididae
Rouillieria rasile n. sp. Smirnova 1975
 Terebratulida - Harpotothyrididae
Okathyris chevkinensis n. sp. Smirnova 1975
"molds with some original shell material" (uncertain translation)