a sac into which the cœnosarc can be retracted in certain Hydrozoa, as the Calycophoridæ.
| 单词 | θ32098 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Hydrozoa > member of > zooid > sac into which coenosarc can be retracted (1) hydrœcium1861 a sac into which the cœnosarc can be retracted in certain Hydrozoa, as the Calycophoridæ. |
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