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.
Odostomiinae, Odostomia snails and their allies, is a taxonomic subfamily of minute parasitic sea snails. These are marine heterobranch gastropod mollusks, or micromollusks, in the family Pyramidellidae.
Chrysallidinae is a taxonomic group of very small sea snails, marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Chrysallida is a speciose genus of minute sea snails, pyramidellid gastropod mollusks or micromollusks in the family Pyramidellidae within the tribe Chrysallidini.
Bartrumella is a small genus of miniature sea snails, pyramidellid gastropod mollusks or micromollusks in the family Pyramidellidae within the tribe Chrysallidini.
Besla is a small genus of miniature sea snails, pyramidellid gastropod mollusks in the family Pyramidellidae within the tribe Chrysallidini.
Hinemoa is a genus of small sea snails, pyramidellid gastropod mollusks. This genus is currently placed in the subfamily Chrysallidinae, within the family Pyramidellidae.
Levipyrgulina is a small genus of very small sea snails, pyramidellid gastropod mollusks or micromollusks. This genus is currently placed in the subfamily Chrysallidinae of the family Odostomiidae.
Pukeuria is a genus of very small sea snails, pyramidellid gastropod mollusks or micromollusks. This genus is currently placed in the subfamily Chrysallidinae of the family Odostomiidae.
Seila is a genus of minute sea snails, marine gastropod molluscs or micromolluscs in the family Cerithiopsidae.
Eulimella 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.
Pyrgiscus is a genus of sea snails, marine gastropod mollusks in the subfamily Turbonillinae of the family Pyramidellidae, the pyrams and their allies.
Syrnola is a genus of sea snails, marine gastropod mollusks in the subfamily Turbonillinae of the family Pyramidellidae, the pyrams and their allies.
Turbonilla is a large genus of ectoparasitic sea snails, marine gastropod molluscs in the family Pyramidellidae, the pyrams and their allies.
Pyrgulina is a small genus of very small sea snails, pyramidellid gastropod mollusks or micromollusks. This genus is currently placed in the subfamily Chrysallidinae of the family Odostomiidae.
Besla rossiana is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. The species is one of twelve known species within the Besla genus of gastropods. The species is one of three species with a binomial name accepted by Laws C. R. in 1941, the other two being Besla vaga and Besla waitangiensis.
Besla vaga is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. The species is one of twelve known species within the Besla genus of gastropods. The species is one of three species within the Besla genus to have a binomial name accepted by Laws, C. R. in 1941, with the exception of the other two being Besla rossiana and Besla waitangiensis.
Besla waitangiensis is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. The species is one of twelve known species within the Besla genus of gastropods. The species is one of three species within the Besla genus to have a binomial name accepted by Laws, C. R. in 1941, with the exception of the other two being Besla rossiana and Besla vaga.
