Where: Ul'yanovsk, Russian Federation (54.3° N, 48.7° E: paleocoordinates 49.0° N, 50.4° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Aulacostephanus mutabilis ammonoid zone, Late/Upper Kimmeridgian (155.7 - 150.8 Ma)
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Collected in 1982
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 138035: authorized by Roger Benson, entered by Roger Benson on 04.01.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Ophthalmosaurus undorensis n. sp.
|