Pneumobranchia

plural noun

Pneu·​mo·​branchia

ˌn(y)üməˈbraŋkēə

variants or Pneumobranchiata

-ˌbraŋkēˈätə,

-ätə

in former classifications

: a group of terrestrial snails (suborder Rhipidoglossa) comprising those (as members of the genus Helicina) in which the gills are replaced by a respiratory sac

Word History

Etymology

New Latin, from pneum- + -branchia or branchiata

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