Fluxinella lenticulosa is a species of extremely small deep water sea snail, a marine gastropod mollusk in the family Seguenziidae.

[1] The height of the thin, white shell attains 2.3 mm.

It is strongly depressed with a width of 6.85 mm.

It is umbilicate and translucent nacreous.

[2] This marine species occurs off New Zealand found at depths between 800 m and 1,000 m.