Where: Russian Federation (54.4° N, 48.4° E: paleocoordinates 48.0° N, 50.4° E)
When: Speetoniceras versicolor ammonoid zone, G4 Member, Hauterivian (132.9 - 129.4 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: sandy, calcareous claystone
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 177873: authorized by Pete Wagner, entered by Pete Wagner on 11.04.2016
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Trilemma russiense Blagovetshenskiy and Shumilkin 2006 snail | |
Khetella "sp. nov." Beisel 1977 true whelk | |
Hudlestonella pusilla snail |