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n. pl.1.(Zool.) A group of Pulmonifera having the eyes at the base of the tentacles, including the common pond snails.
References in periodicals archive ?
Harry (1964) used the presence of the physid musculature as the main character separating the Physidae from the rest of the Basommatophora.
The anatomy of Chilina fluctuosa Gray re-examined, with prolegomena on the phylogeny of the higher limnic Basommatophora (Gastropoda: Pulmonata).
acuta belongs to the family Physidae, the order Basommatophora, the superorder Pulmonata, the class Gastropoda, and the phylum Mollusks.