Gastropod Mollusks from the Hauterivian of Ulyanovsk (Volga Region): 1. Family Aporrhaidae

I. V. Blagovetshenskiy, and I. A. Shumilkin

2006

Article

Paleontological Journal 40(1):34-45

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Taxa discussed in this work:

• Tessarolax retusa
• Trilemma
• Trilemma arrialoorense
• Trilemma bicarinatoides
• Trilemma russiense
• Trilemma striatocarinatum
• Trilemna

Taxonomy:

• Trilemma russiense belongs to Trilemma - Blagovetshenskiy and (2006)
• Trilemma striatocarinatum belongs to Trilemma - Blagovetshenskiy and (2006)
• Trilemma arrialoorense belongs to Trilemma - Blagovetshenskiy and (2006)
• Trilemma bicarinatoides belongs to Trilemma - Blagovetshenskiy and (2006)