UPM, no. 168/1-3. Polivna (Cretaceous of Russian Federation)

Also known as P K1h2d

Where: Russian Federation (54.4° N, 48.4° E: paleocoordinates 47.9° N, 50.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Simbirskites decheni ammonoid zone, G11 Member, Hauterivian (132.9 - 129.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: sandy, calcareous claystone

• sandy clay with a low sand content and carbonate concretions. (Fossils from concretions)

Size classes: macrofossils, mesofossils

Collection methods: Ulyanovsk Regional Museum of Regional Studies

Primary reference: I. V. Blagovetshenskiy and I. A. Shumilkin. 2006. Gastropod Mollusks from the Hauterivian of Ulyanovsk (Volga Region): 1. Family Aporrhaidae. Paleontological Journal 40(1):34-45 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 177875: authorized by Pete Wagner, entered by Pete Wagner on 11.04.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Sorbeoconcha - Aporrhaidae
Trilemma polivnense n. sp.
Trilemma polivnense n. sp. Blagovetshenskiy and Shumilkin 2012 snail
 Epitonioidea - Epitoniidae
Claviscala antiqua