Pleurotoma simplex Middendorf, 1849
Obesotoma simplex is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.[1]
The length of the shell varies between 7 mm and 20 mm.
The shell is whitish or flesh-white, under a livid olivaceous epidermis. It is smooth, or with fine spiral striae. The aperture is violaceous to white.[2]
This species occurs in European waters and in the Northwest Atlantic Ocean off Svalbard and in the Barents Sea; also in the Bering Strait and in the Sea of Okhotsk