Spirotropis studeriana is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
The shell of this species grows to a length between 11 mm and 22 mm.
The shell is stouter than Spirotropis patagonica, with a shorter body whorl. The ribs are stronger and fewer, evanescent on the body whorl. The revolving lines are slighter and scarcely apparent. The siphonal canal is shorter and broader.[1]
This species occurs in the benthic zone of the cold waters off Argentina and the Kerguelen Islands at depths between 646 m and 845 m.