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Noun1.Sertularia - sessile hydroid that forms feathery coloniesSertularia - sessile hydroid that forms feathery colonies
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
References in classic literature ?
Many marine animals seem to have this power of stinging: besides the Portuguese man-of-war, many jelly-fish, and the Aplysia or sea-slug of the Cape de Verd Islands, it is stated in the voyage of the Astrolabe, that an Actinia or sea-anemone, as well as a flexible coralline allied to Sertularia, both possess this means of offence or defence.
7 Obelia X Plumularia X X Sertularella X X X Sertularia X X Ectoprocta: Gymnolaemata Bugula Crisia 2.