Pleurotomaria

noun

Pleu·​ro·​to·​mar·​ia

ˌplu̇rətəˈma(a)rēə

: 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

pleurotomariid

¦⸗⸗⸗¦ma(a)rēə̇d

adjective or noun

pleurotomarioid

-ēˌȯid

adjective or noun

Word History

Etymology

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

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