Pleurotomariidae, common name the "slit snails", is a family of large marine gastropods in the superfamily Pleurotomarioidea of the subclass Vetigastropoda. This family is a very ancient lineage; there were numerous species in the geological past. The genus includes several hundred fossil forms, mostly Paleozoic. It is one of the oldest gastropod families, commencing in the Cambrian.
Perotrochus is a genus of large sea snails with gills and an operculum, marine gastropod mollusks in the family Pleurotomariidae, the slit snails,.
Pleurotomariacea is one of two names that are used for a taxonomic superfamily of sea snails that are an ancient lineage and are well represented in the fossil record. The name Pleurotomariacea is used by paleontologists, who, because they usually have only the hard parts of mollusks to study, often use a slightly different scheme of classification from that used by scientists who study living mollusks.
Perotrochus amabilis, common name the lovely slit shell, is a species of sea snail, a marine gastropod mollusk in the family Pleurotomariidae.
Bayerotrochus boucheti is a species of sea snail, a marine gastropod mollusc in the family Pleurotomariidae.
Bayerotrochus is a genus of sea snails, marine gastropod mollusks in the family Pleurotomariidae.
Mikadotrochus is a genus of sea snails, marine gastropod mollusks in the family Pleurotomariidae, the slit snails.
Bayerotrochus tangaroanus, or Tangaroan slit shell, is a species of sea snail, a marine gastropod mollusc in the family Pleurotomariidae.
Bayerotrochus indicus is a species of large sea snail, a marine gastropod mollusk in the family Pleurotomariidae, the slit snails.
Mikadotrochus gotoi is a species of large sea snail, a marine gastropod mollusk in the family Pleurotomariidae, the slit snails.
Mikadotrochus salmianus, common name the Salmiana slit shell, is a species of large sea snail, a marine gastropod mollusk in the family Pleurotomariidae, the slit snails.
Perotrochus anseeuwi is a species of large sea snail, a marine gastropod mollusk in the family Pleurotomariidae, the slit snails.
Bayerotrochus charlestonensis is a species of large sea snail, a marine gastropod mollusk in the family Pleurotomariidae, the slit snails.
Perotrochus deforgesi is a species of large sea snail, a marine gastropod mollusk in the family Pleurotomariidae, the slit snails.
Perotrochus lucaya, common name the Lucayan slit shell, is a species of large sea snail, a marine gastropod mollusk in the family Pleurotomariidae, the slit snails.
Perotrochus maureri is a species of large sea snail, a marine gastropod mollusk in the family Pleurotomariidae, the slit snails.
Perotrochus metivieri is a species of large sea snail, a marine gastropod mollusk in the family Pleurotomariidae, the slit snails.
Perotrochus oishii is a species of large sea snail, a marine gastropod mollusk in the family Pleurotomariidae, the slit snails.
Perotrochus quoyanus is a species of large sea snail, a marine gastropod mollusk in the family Pleurotomariidae, the slit snails.
Perotrochus vicdani is a species of large sea snail, a marine gastropod mollusk in the family Pleurotomariidae, the slit snails.
