Pulmonata /(?)/

Pul·mo·na·ta

Pulmonata

n. pl.
  1. 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 Limnæa and Planorbis. (Zool.)