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.

(Original description in Latin) 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.

Distribution
It is found in Western Pacific off Japan, Korea and the Philippines and lives in depths of 50 to 200 meters. It was also collected from Mozambique, Indian Ocean.