: a large genus of nearly extinct two-gilled gastropods (suborder Rhipidoglossa) usually having a trochiform nacreous shell with a broad sinus in the outer margin of the last whorl that extends back around the whorls as a raised band
adjective or noun
adjective or noun

Word History


New Latin, from pleur- + -toma + -aria

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Dictionary Entries Near Pleurotomaria

Cite this Entry

“Pleurotomaria.” Dictionary, Merriam-Webster, Accessed 22 Apr. 2024.

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