Tsudakhar (Unit 7) (Cretaceous of Russian Federation)

Where: Russian Federation (42.3° N, 47.2° E: paleocoordinates 35.6° N, 52.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Levashi Formation, Early/Lower Barremian (130.0 - 125.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, sandy limestone

• Dense, sandy, oolitic, detrietal 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 155459: authorized by Matthew Clapham, entered by Marko Manojlovic on 14.04.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Rhynchonellida - Cyclothyrididae
Sulcirhynchia gillieroni Pictet 1872
one complete shell and 3 shells with broken umbos