[sur-choo-lair-ee-uh
n] 
| a type of hydroid that forms stiff, feathery colonies in which the cups holding the zooids are sessile. |
| ser·tu·lar·i·an (sûr'chə-lâr'ē-ən, sûr'tl-âr'-) n. Any of various colonial hydroids of the genus Sertularia, having stalkless polyps arranged in pairs along a long branching stem. [From New Latin Sertulāria, genus name, from Latin sertula, diminutive of serta, garland, from feminine past participle of serere, to join; see ser-2 in Indo-European roots.] |