Meaning of sipunculid in English:

sipunculid

noun & adjective

Zoology

See Sipuncula

‘The plesiomorphic nature of myoepithelial organization of the body wall musculature is evident in adult annelids, echiurans, and sipunculids.’
  • ‘At least for certain sipunculids, however, circular muscles are reportedly derived from the ectomesenchyme.’