Zoology. A specialized part of a siphonophore colony containing an air-sac and serving as a float.
| 单词 | θ32141 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Hydrozoa > order Siphonophora > member of > part containing air-cavity (2) pneumatophore1859 Zoology. A specialized part of a siphonophore colony containing an air-sac and serving as a float. Subcategories:— air-sac (1) |
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