Definition of Pneumobranchia
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
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of pneumobranchia
New Latin, from pneum- + -branchia or branchiata
Seen and Heard
What made you want to look up Pneumobranchia? Please tell us where you read or heard it (including the quote, if possible).