Gephyrea

Ge`phyr´e`a

n. pl.

1.(Zool.) An order of marine Annelida, in which the body is imperfectly, or not at all, annulated externally, and is mostly without setæ.

[jə′fir·ē·ə] (invertebrate zoology) A class of burrowing worms in the phylum Annelida.

a class of large, marine ANNELID worms that possess little or no segmentation and few or no chaetae, e.g. Echiuroidea and Sipunculoidea.

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