Any marine gasteropod of the order Opisthobranchiata (see quot. 1879).
单词 | θ33047 |
释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Gastropoda > [noun] > superorder Branchifera > order Opisthobranchiata > member of (3) sea-slug1845 Any marine gasteropod of the order Opisthobranchiata (see quot. 1879). opisthobranch1851 A gastropod mollusc of the subclass Opisthobranchia, comprising marine forms (mostly sea slugs) having the gills behind the heart. Cf. prosobranch, n. opisthobranchiate1885 = opisthobranch, n. rare. |
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