- a type of hydroid that forms stiff, feathery colonies in which the cups holding the zooids are sessile.
Origin of sertularian
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any of various hydroid coelenterates of the genus Sertularia, forming feathery colonies of long branched stems bearing stalkless paired polyps
C18: from New Latin Sertulāria, from Latin sertula diminutive of serta a garland
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