Range: 32.3°N ; 64.8°W Maximum Reported Size: 1.5 mm
Details
Rissoa stewardsoni Vanatta, 1909, [Basis of the current name] Range: 32.3°N ; 64.8°W Maximum Reported Size: 1.5 mm Distribution: Bermuda References: Vanatta (1909) NSEWM Comments: Ponder (1983) refers this species to Hydrobiidae.