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单词 gephyrea
释义

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.

Gephyrea


Gephyrea

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

Gephyrea


Gephyrea

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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