Nemertea

plural noun

Ne·​mer·​tea

nə̇ˈmərtēə

: a class or other category of Platyhelminthes comprising soft-bodied often brightly colored unsegmented acoelomate worms that have an anterior mouth and posterior anus, a long eversible proboscis, and a definite circulatory system, are typically elongate and contractile, and are usually marine and littoral and burrow in sand or mud though a few live in fresh water or on land see anopla , enopla

nemertean

-ēən 

adjective or noun

Word History

Etymology

New Latin, from Nemertes, included genus (from Greek Nēmertēs Nemertes, one of the Nereids) + -ea (from Latin, neuter plural of -eus -eous)

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