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3 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Gas·te·rop·o·da n. pl. Zool. Same as Gastropoda.
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From: Webster's Revised Unabridged Dictionary (1913)

 Gas·trop·o·da n. pl.,  Zool. One of the classes of Mollusca, of great extent. It includes most of the marine spiral shells, and the land and fresh-water snails. They generally creep by means of a flat, muscular disk, or foot, on the ventral side of the body. The head usually bears one or two pairs of tentacles. See Mollusca. [Written also Gasteropoda.]
 Note: ☞ The Gastropoda are divided into three subclasses; viz.: (a) The Streptoneura or Dioecia, including the Pectinibranchiata, Rhipidoglossa, Docoglossa, and Heteropoda. (b) The Euthyneura, including the Pulmonata and Opisthobranchia. (c) The Amphineura, including the Polyplacophora and Aplacophora.
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From: WordNet (r) 2.0

 Gasteropoda
      n : snails and slugs and their relatives [syn: Gastropoda, class
           Gastropoda, class Gasteropoda]