A molluscan larva furnished with a velum or ciliated swimming-membrane. Also attributive.
| 单词 | θ32773 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Mollusca > [noun] > mollusc or shell-fish > larva (3) veliger1877 A molluscan larva furnished with a velum or ciliated swimming-membrane. Also attributive. trochosphere1883 a larval form constituting a stage in the development of most molluscs and of certain worms, esp. marine annelids, characterized by a spheroidal… Subcategories:— part of (1) |
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