A kind of pelagic colonial hydroid consisting of a central gastrozooid surrounded by gonozooids and defensive polyps, all hanging from a…
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| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Hydrozoa > order Siphonophora > genus Porpita (1) Porpitaa1728 A kind of pelagic colonial hydroid consisting of a central gastrozooid surrounded by gonozooids and defensive polyps, all hanging from a… |
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