Errantia
plural noun
Er·ran·tia
eˈranch(ē)ə,
-ntēə
in some classifications
: a division of Polychaeta comprising free-swimming worms (such as those of the genera Aphrodite, Nereis, and Polynoe) usually with well-developed parapodia and sense organs and without special respiratory structures
Word History
Etymology
New Latin, from Latin, neuter plural of errant-, errans, present participle of errare to wander, err