Pul`mo*na"ta (?), n. pl. [NL., from L. pulmo, -onis, a lung.] Zool.

An extensive division, or sub-class, of hermaphrodite gastropods, in which the mantle cavity is modified into an air-breathing organ, as in Helix, or land snails, Limax, or garden slugs, and many pond snails, as Limnaea and Planorbis.


© Webster 1913.

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