Fissurella verna is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.
The shell varies in size from in length. It is solid, oval, and symmetrical with a depressed-conical profile. The exterior surface is striated and bears about 20âÂÂ30 low radiating ribs separated by interspaces of roughly equal width.
The coloration is described as grey-green with dark purplish radial markings. The apex is purplish, and the interior is pale with a slightly greenish or garlic-colored tint. The apical opening (foramen) is small and oval. The shell margin is faintly crenulated and radially striated.
Gould reported shell dimensions of approximately in length, in width and in height.
This marine species occurs in the Atlantic Ocean around the Cape Verde archipelago. The type locality was given as Porto Praia on Santiago Island.
The species is considered part of the endemic fissurellid fauna of the islands.