Fossarus ambiguus is a species of sea snail, a marine gastropod mollusk in the family Planaxidae.

Description

The maximum recorded shell length is 3.5 mm.Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLOS One 5(1): e8776. .

Habitat Minimum recorded depth is 0 m. Maximum recorded depth is 40 m.

References