Fusus lupinus Philippi, 1850 Pusionella lupinus is a species of sea snail, a marine gastropod mollusk in the family Clavatulidae.

The shell is whitish, or has a yellowish flesh-color, or brown.

It is more or less decussated by longitudinal and revolving engraved lines, sometimes forming granulations especially on the spire.

The revolving lines are prominent on the body whorl, where the longitudinal ones are usually subobsolete.

[3] This species occurs in the Atlantic Ocean off West Africa, and particularly off Senegal.