Sertularia

Ser`tu`la´ri`a

n.

1.

(Zool.) A genus of delicate branching hydroids having small sessile hydrothecæ along the sides of the branches.

Thesaurus

Noun

1.

Sertularia - sessile hydroid that forms feathery colonies genus Sertularia coelenterate genus - a genus of coelenterates class Hydrozoa, Hydrozoa - coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes sertularian - feathery colony of long-branched stems bearing stalkless paired polyps