Spirotropis studeriana
Spirotropis studeriana is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
Description
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.