Syllidian

Syl·lid'i·an noun [ From New Latin Syllis , the typical genus.] (Zoology) Any one of numerous species of marine annelids of the family Syllidæ . » Many of the species are phosphorescent; others are remarkable for undergoing strobilation or fission and for their polymorphism...
Found on http://www.encyclo.co.uk/webster/S/262

syllidian

<zoology> Any one of numerous species of marine annelids of the family Syllidae. ... Many of the species are phosphorescent; others are remarkable for undergoing strobilation or fission and for their polymorphism. The egg, in such species, develops into an asexual individual. When mature, a number of its posterior segments gradually develop i...
Found on http://www.encyclo.co.uk/local/20973

Syllidian

• (n.) Any one of numerous species of marine annelids of the family Syllidae.
Found on http://thinkexist.com/dictionary/meaning/syllidian/
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