Fissurellidae, common name the keyhole limpets and slit limpets, is a taxonomic family of small to medium-sized limpet-like sea snails, marine gastropod molluscs in the clade Vetigastropoda.
Trochus is a genus of medium-to large-sized, top-shaped sea snails with an operculum, of the family Trochidae, the top snails.
Cellana is a genus of sea snails or limpets, marine gastropod molluscs in the family Nacellidae, the true limpets.
Siphonaria is a genus of air-breathing sea snails or false limpets, marine pulmonate gastropod molluscs in the family Siphonariidae, the false limpets.
Emarginula is a genus of small keyhole limpets, marine gastropod molluscs in the family Fissurellidae.
Acmaea is a genus of sea snails, specifically true limpets, marine gastropod mollusks in the family Acmaeidae, one of the families of true limpets.
Patelloida is a genus of sea snails or true limpets, marine gastropod molluscs in the subfamily Lottiinae of the family Lottiidae, one of the families of true limpets.
Natica is a genus of small to medium-sized predatory sea snails, marine gastropods in the subfamily Naticinae of the family Naticidae, the moon snails. The genus was erected by Giovanni Antonio Scopoli in 1777.
Patella is a genus of sea snails with gills, typical true limpets, marine gastropod mollusks in the family Patellidae, the true limpets.
Montfortula is a genus of keyhole limpets, marine gastropod molluscs in the subfamily Emarginulinae of the family Fissurellidae.
Melampus is a genus of small air-breathing salt marsh snails, pulmonate gastropod mollusks in the family Ellobiidae.
Muricodrupa is a genus of sea snails, marine gastropod mollusks in the subfamily Ergalataxinae of the family Muricidae, the murex snails or rock snails.
Mammilla is a genus of predatory sea snails, marine gastropod mollusks in the subfamily Polinicinae of the family Naticidae, the moon snails.
Sinum is a genus of predatory sea snails, marine gastropod mollusks in the subfamily Sininae of the family Naticidae, the moon snails.
Montfortia is a genus of sea snails, marine gastropod mollusks in the family Fissurellidae, the keyhole limpets and slit limpets.
Montfortista is a genus of sea snails, marine gastropod mollusks in the family Fissurellidae, the keyhole limpets and slit limpets.
Montfortia emarginata, common name the emarginate limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.
Montfortia subemarginata, common name the emarginate limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.
Montfortista excentrica is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.
Montfortista panhi, common name the cancellate false limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.
