Right Volga bank, 12 km north of Ulyanovsk (Cretaceous of Russian Federation)

Where: Ul'yanovsk, Russian Federation (54.4° N, 48.4° E: paleocoordinates 48.1° N, 50.3° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Speetoniceras versicolor ammonoid zone, Late/Upper Hauterivian (136.4 - 130.0 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: G. W. Storrs, M. S. Arkhangel'skii, and V. M. Efimov. 2000. Mesozoic marine reptiles of Russia and other former Soviet republics. In M. J. Benton, M. A. Shishkin, D. M. Unwin, E. N. Kurochkin (eds.), The age of dinosaurs in Russia and Mongolia 187-210 [R. Benson/R. Benson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138039: authorized by Roger Benson, entered by Roger Benson on 04.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ichthyosauria - Ophthalmosauridae
Platypterygius bedengensis n. gen. n. sp. Efimov 1997 ichthyosaur
UPM No. 2/740, holotype skull and partial skeleton