Definition of Prionodesmacea
in some classifications
: a division of Lamellibranchia comprising comparatively primitive bivalve mollusks that typically have the hinge prionodont and being approximately equal to the combined orders Protobranchia and Filibranchia
prionodesmaceannoun or adjective
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 prionodesmacea
New Latin, from prion- + desm- + -acea
Seen and Heard
What made you want to look up Prionodesmacea? Please tell us where you read or heard it (including the quote, if possible).