Category:Pennatula

Pen*nat"u*la, n.; pl. L. Pennatulæ, e. Pennatulas. Etym: [nl., fr. L. Penna a feather.] (zoöl.)

Defn: any one of numerous species of pennatula, pteroides, and allied Genera of alcyonaria, having a featherlike form; a sea-pen. The Zooids are situated along one edge of the side branches.