Puncturella longifissa

Puncturella longifissa, the long-slot puncturella, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.

William Healey Dall described the species in 1914; he found specimens off Bering Island in the Bering Sea. It has also been found off Amchitka and Adak.