Definition of Pseudolamellibranchia
in some classifications
: an order of Lamel libranchia comprising bivalve mollusks (as scallops, pearl oysters, true oysters) having gills with interfilamentary and interlamellar junctions poorly developed, the mantle edges entirely open, and the anterior adductor muscle usually wanting
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
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 pseudolamellibranchia
New Latin, from pseud- + Lamellibranchia
Seen and Heard
What made you want to look up Pseudolamellibranchia? Please tell us where you read or heard it (including the quote, if possible).