Fissurellidae, common name the keyhole limpets and slit limpets, is a taxonomic family of limpet-like sea snails, marine gastropod molluscs in the clade Vetigastropoda. Their common name derives from the small hole in the apex of their cone-like shells. Although superficially resembling "true" limpets, they are in fact not closely related to them.
Poirieria is a genus of large predatory sea snails, marine gastropod molluscs in the family Muricidae, the rock snails.
Pedicularia is a genus of small predatory or ectoparasitic sea snails, cowry-like marine gastropod molluscs in the family Ovulidae, the cowry allies.
Emarginula is a genus of small keyhole limpets, marine gastropod molluscs in the family Fissurellidae.
Diodora is a genus of small to medium-sized keyhole limpet in the family Fissurellidae.
Puncturella is a genus of minute deepwater keyhole limpets, marine gastropod mollusks or micromollusks in the family Fissurellidae, the keyhole limpets and slit limpets.
Daphnella is a genus of sea snails, marine gastropod mollusks in the family Raphitomidae.
Puncturella agger is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.
Puncturella antillana is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.
Puncturella billsae is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.
Puncturella granulata is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.
Lucapina is a genus of sea snails, marine gastropod mollusks in the family Fissurellidae, the keyhole limpets.
Profundisepta is a genus of sea snails, marine gastropod mollusks in the family Fissurellidae, the keyhole limpets.
Rimula is a genus of sea snails, marine gastropod mollusks in the family Fissurellidae, the keyhole limpets.
Zeidora is a genus of sea snails, marine gastropod mollusks in the family Fissurellidae, the keyhole limpets.
Margarites is a genus of sea snails, marine gastropod mollusks in the family Margaritidae.
Cyclostrema is a genus of sea snails, marine gastropod mollusks in the family Liotiidae.
Puncturella pileolus is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.
Nesta is a genus of sea snails, marine gastropod mollusks in the family Fissurellidae, the keyhole limpets.
The Zeidorinae, common name keyhole limpets and slit limpets, is a taxonomic subfamily of limpet-like sea snails, marine gastropod molluscs in the family Fissurellidae, the keyhole limpets and slit limpets.
