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Gastropod vs Opisthobranch - What's the difference?

gastropod | opisthobranch |

As nouns the difference between gastropod and opisthobranch

is that gastropod is any member of a class of mollusks (Gastropoda) that includes snails and slugs; univalve mollusk while opisthobranch is any of a large and diverse group of specialized complex marine gastropods previously united under Opisthobranchia within the Heterobranchia, characterized by two pairs of tentacles and a single gill behind and to the right of the heart.

gastropod

English

(wikipedia gastropod)

Noun

(en noun)
  • Any member of a class of mollusks (Gastropoda) that includes snails and slugs; univalve mollusk.

    • Hypernyms

    * mollusc

    opisthobranch

    English

    Noun

    (wikipedia opisthobranch) (en noun)
  • Any of a large and diverse group of specialized complex marine gastropods previously united under Opisthobranchia'' within the ''Heterobranchia , characterized by two pairs of tentacles and a single gill behind and to the right of the heart.