Nectonematoidea

Nectonematoidea

[¦nek·tō‚ne·mə′tȯid·ē·ə]
(invertebrate zoology)
A monogeneric order of worms belonging to the class Nematomorpha, characterized by dorsal and ventral epidermal chords, a pseudocoele, and dorsal and ventral rows of bristles; adults are parasites of true crabs and hermit crabs.