PLANORBIS
Source: 567
‖Pla‐nor″bis (?), n. [[NL., fr. L. planus flat + orbis a circle.]] (Zoöl.) Any fresh-water air-breathing mollusk belonging to Planorbis and other allied genera, having shells of a discoidal form.
Source: 567
‖Pla‐nor″bis (?), n. [[NL., fr. L. planus flat + orbis a circle.]] (Zoöl.) Any fresh-water air-breathing mollusk belonging to Planorbis and other allied genera, having shells of a discoidal form.