Basommatophora \Ba*som`ma*toph"o*ra\
(b[.a]*s[o^]m`m[.a]*t[o^]f"[-o]*r[.a]), n. pl. [NL., fr. Gr.
ba`sis base + 'o`mma eye + fe`rein to bear.] (Zool.)
A group of Pulmonifera having the eyes at the base of the
tentacles, including the common pond snails.
[1913 Webster]