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"Free-living Polychaete (Nereis cultrifera)." -Thomson, 1916

Polychaete

"Free-living Polychaete (Nereis cultrifera)." -Thomson, 1916

"Serpula, a genus of Polychaete worms of the family Serpulidae, whose members construct coiled calcareous tbes of a whitish color, which are attached to stones or shells."—Finley, 1917

Serpula

"Serpula, a genus of Polychaete worms of the family Serpulidae, whose members construct coiled calcareous…