Zeidora calceolina
Zeidora calceolina is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.
Description
The length of the shell attains 4 mm.The oblong shell is elegantly ornamented with raised concentric and radiating lines. It has a median sulcus with raised sides. The tip is bent posteriorly. The septum shows a sharp edge and is intact.