Tarkhanovskaya Pristan, Volga River, Mimei 2, Member 1 (Jurassic of Russian Federation)

Where: Russian Federation (54.6° N, 48.4° E)

• Paleocoordinates: 45.1° N, 49.2° E (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Kitchini zone, Early/Lower Kimmeridgian (154.8 - 152.2 Ma)

• uppermost Lower Kimmeridgian to lowermost Upper Kimmeridgian

• bed-level stratigraphic resolution

Environment/lithology: lithified claystone

• calcareous light-grey to white if weathered clay (1 m thick), strongly bioturbated (especially at the top of the bed and in its middle part), with phosphorite concretions 0.7 m below the top

Size class: macrofossils

Primary reference: M. A. Rogov, A. Wierzbowski, and E. Shchepetova. 2017. Ammonite assemblages in the Lower to Upper Kimmeridgian boundary interval (Cymodoce to Mutabilis zones) of Tatarstan (central European Russia) and their correlation importance. Neues Jahrbuch für Geologie und Paläontologie 285(2):161-185 [W. Kiessling/M. Krause/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 191019: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 04.01.2018

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Perisphinctidae
Crussoliceras lacertosum
 Goniatitida - Prionoceratidae
"Amoebites sp." = Amoeboceras (Amoebites)
"Amoebites sp." = Amoeboceras (Amoebites) ammonite