Definition of Prosobranchia in English:

Prosobranchia

plural noun

Zoology
  • A group of mollusks that includes the limpets, abalones, and many terrestrial and aquatic snails. They all have a shell, and many have an operculum.

    • ‘He therefore placed the bellerophontids in the ‘Prosobranchia’.’
    • ‘Gastropods were traditionally classified into three main subclasses, Prosobranchia, Pulmonata, and Opisthobranchia.’
    • ‘They share certain basic characteristics with the Prosobranchia, but they are placed with the Opisthobranchia because there is a smoother transition from the Cephalaspidea to the other opisthobranch orders.’
    • ‘In the traditional classification system, the class Gastropoda has been divided into three subclasses, Prosobranchia, Pulmonata, and Opisthobranchia.’

Origin

Modern Latin (plural), from Greek prosō forward + brankhia gills.

Pronunciation:

Prosobranchia

/ˌpräsəˈbraNGkēə/