Pomatiopsis Pomatiopsis lapidaria Cyclostoma Pomatiopsidae List of non-marine molluscs of the Indiana Dunes Gabbia (gastropod) Semiaquatic Amnicola Sawa Lake List of the prehistoric life of Virginia List of the Cenozoic life of Virginia List of data deficient molluscs List of least concern molluscs Blanfordia bensoni List of data deficient invertebrates Blanfordia List of threatened fauna of Michigan