Porpita

Porpita

Por"pi*ta\, n. [NL., from Gr. ? brooch.] (Zo["o]l.) A genus of bright-colored Siphonophora found floating in the warmer parts of the ocean. The individuals are round and disk-shaped, with a large zooid in the center of the under side, surrounded by smaller nutritive and reproductive zooids, and by slender dactylozooids near the margin. The disk contains a central float, or pneumatocyst.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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