Found 1 items, similar to Planorbis.
English → English (gcide) Definition: Planorbis Planorbis \Pla*nor"bis\, n. [NL., fr. L. planus flat + orbis a circle.] (Zo["o]l.) Any fresh-water air-breathing mollusk belonging to Planorbis and other allied genera, having shells of a discoidal form. [1913 Webster]