Source : Webster's Revised Unabridged Dictionary (1913)

Basommatophora \Ba*som`ma*toph"o*ra\, n. pl. [NL., fr. Gr. ?
   base + ? eye + ? to bear.] (Zo["o]l.)
   A group of Pulmonifera having the eyes at the base of the
   tentacles, including the common pond snails.