Opisthopulmonate :: Opisthopulmonate (a.) Having the pulmonary sac situated posteriorly; -- said of certain air-breathing Mollusca.
Prosopulmonata :: Prosopulmonata (n. pl.) A division of pulmonate mollusks having the breathing organ situated on the neck, as in the common snail..
Pulmonata :: Pulmonata (n. pl.) 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..
Pulmonate :: Pulmonate (a.) Having breathing organs that act as lungs.
Pulmonate :: Pulmonate (a.) Pertaining to the Pulmonata.