| pennatula | Origin: NL, fr. L. Penna a feather. <zoology> 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. Source: Websters Dictionary (01 Mar 1998) |
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| pennatulacea | <zoology> A division of alcyonoid corals, including the seapens and related kinds. They are able to move about by means of the hollow muscular peduncle, which also serves to support them upright in the mud. See Pennatula, and Illust. Under Alcyonaria. Origin: NL. See Pennatula. Source: Websters Dictionary (01 Mar 1998) |
| pennatula | type genus of the family Pennatulidae: sea pens |
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