genus sertularia

English Thesaurus

1. sessile hydroid that forms feathery colonies (noun.animal)

hypernym	:	coelenterate genus,
definition	:	a genus of coelenterates (noun.animal)

member holonym	:	sertularian,
definition	:	feathery colony of long-branched stems bearing stalkless paired polyps (noun.animal)

member meronym	:	class hydrozoa, hydrozoa,
definition	:	coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes (noun.animal)