genus Sertularia

Thesaurus

Noun

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