basommatophora

Century Dictionary and Cyclopedia

1. A division of pulmonale gastropodous mollusks, including those which have the eyes at the base of the tentacles, as in the families Auriculidæ, Limnæidæ, etc.: opposed to Stylommatophora. See cut under Limnæidæ.

GNU Webster's 1913

1. n. (Zoöl.) A group of Pulmonifera having the eyes at the base of the tentacles, including the common pond snails.