WMSD - Worldwide mollusc species DB Bagni Liggia

Class: GASTROPODA
--- Taxon Tree: HETEROBRANCHIA [Subclass] - HETEROSTROPHA [Infraclass] - VALVATOIDEA [Superfamily]
------ Family: VALVATIDAE Gray, 1840 (Freshwater)
------------ Genus: Amplovalvata Yen, 1952 †
--------------- Species: Amplovalvata cyclostoma T.C. Yen, 1952 † - ID: 7432001232
USA, Colorado 
FOSSIL
Upper Jurassic
Map center:  N: 39° 10' 22'' W: 105° 50' 28''  - Grid: 5° - click to open
Please email your image to: Claudio Galli - last updated: 13/set/2017