Definition of Gastropoda in US English:


plural noun

  • A large class of mollusks which includes snails, slugs, whelks, and all terrestrial kinds. They have a large muscular foot for movement and (in many kinds) a single asymmetrical spiral shell.

    • ‘Theoretical issues include which taxa even belong to the Gastropoda and macroevolutionary patterns such as the pervasiveness of trends and shifting rates of morphologic change and cladogenesis.’
    • ‘Slugs are soft-bodied animals belonging to a class called Gastropoda (not insects).’
    • ‘In the traditional classification system, the class Gastropoda has been divided into three subclasses, Prosobranchia, Pulmonata, and Opisthobranchia.’
    • ‘Here we cover a few groups that seem to be very close to the crown group Gastropoda (slugs + limpets).’
    • ‘The oval, flat foot is characteristic of the classes Monoplacophora, Polyplacophora and Gastropoda.’


Modern Latin (plural), from Greek gastēr, gastr- ‘stomach’ + pous, pod- ‘foot’.