Ulyanovsk-Wolga-Area, Ulyanovsk mountain (Cretaceous of Russian Federation)

Where: Russian Federation (54.3° N, 48.4° E: paleocoordinates 47.3° N, 50.7° E)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Deshayesites deshayesi ammonoid zone, Early/Lower Aptian (121.4 - 122.5 Ma)

• Deshayesites deshayesi zone; horizon 'razvernut ammonitov'

• group of beds-level stratigraphic resolution

Environment/lithology: marine; gray claystone

• light gray clay

Size class: macrofossils

Primary reference: A. A. Atabekian, A. E. Glazunova, T. D. Zonova and L. V. Romanovskaia. 1968. New Cretaceous inocerams from some regions of the USSR. In Markovskii, B. P. e. a. ed. Novye vidy drevnikh rastenii i bespozvonochnykh SSSR - vypusk II, chast' pervaia [New species of prehistoric plants and invertebrates of the USSR - volume II, part one]. Moscow, Vsesoiuznyi Nauchno-Issledovatel'skii Geologicheskii Institut (VSEGEI), "Nedra" 198-211 [M. Aberhan/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 67689: authorized by Martin Aberhan, entered by Sabine Nürnberg on 05.12.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• Focus on Inoceramus and ammonites.
Show authors, comments, and common names
Bivalvia
 Myalinida - Inoceramidae
Inoceramus volgensis, Inoceramus borealis, Inoceramus obtusus n. sp.
Inoceramus obtusus n. sp. clam
Cephalopoda
 Ammonitida - Deshayesitidae
Deshayesites kabanovi