WMSD - Worldwide mollusc species DB Bagni Liggia

Class: GASTROPODA
--- Taxon Tree: HETEROBRANCHIA [Subclass] - HETEROSTROPHA [Infraclass] - VALVATOIDEA [Superfamily]
------ Family: VALVATIDAE Gray, 1840 (Freshwater)
------------ Genus: Valvata O.F. Müller, 1774
--------------- Species: Valvata dalaziensis Zhu, 1980 † - ID: 7432001236
Northwest China 
FOSSIL
Lower Cretaceous
No Georeferenced data available
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