Pyramidellidae, common name the pyram family, or pyramid shells, is a voluminous taxonomic family of mostly small and minute ectoparasitic sea snails, marine heterobranch gastropod molluscs. The great majority of species of pyrams are micromolluscs.
Chrysallidinae is a taxonomic group of very small sea snails, marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Oscilla is a genus of very small sea snails, minute marine gastropod mollusks or micromollusks. This genus is currently placed in the subfamily Chrysallidinae of the family Pyramidellidae.
Chrysallida is a speciose genus of minute sea snails, pyramidellid gastropod mollusks or micromollusks in the family Pyramidellidae within the tribe Chrysallidini.
Babella is a genus of very small sea snails, pyramidellid gastropod mollusks or micromollusks in the family Pyramidellidae within the tribe Chrysallidini.
Parthenina is a genus of very small sea snails, pyramidellid gastropod mollusks or micromollusks.
Longchaeus is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.
Miralda is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams, and their allies.
Quirella is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.
Rissopsetia is a genus of sea snails, marine gastropod molluscs in the family Pyramidellidae.
Cossmannica exesa is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Cossmannica subcarina is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Koloonella is a genus of sea snails, marine gastropod mollusks in the family Murchisonellidae, the pyrams and their allies.
Miralda senex is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Herewardia is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.
Murchisonella is a genus of sea snails, marine gastropod mollusks in the subfamily Murchisonellinae of the family Murchisonellidae, the pyrams and their allies.
Hamarilla is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.
Helodiamea is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Pyramidellidae, the pyrams and their allies.
Maricarmenia is a genus of very small sea snails, marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Ovalina is a genus of minute sea snails, pyramidellid gastropod mollusks or micromollusks in the family Pyramidellidae within the tribe Chrysallidini.
