| Pyrgulina casta | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Family: | Pyramidellidae |
| Genus: | Pyrgulina |
| Species: | P. casta |
| Binomial name | |
| Pyrgulina casta | |
| Synonyms | |
Chrysallida castaA. Adams, 1861 | |
Pyrgulina casta is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. [2]
Chrysallida is a speciose genus of minute sea snails, pyramidellid gastropod mollusks or micromollusks in the family Pyramidellidae within the tribe Chrysallidini.

Pyramidella is a genus of minute to medium-sized sea snails, marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Hastula is a genus of sea snails, marine gastropod mollusks in the family Terebridae, the auger snails.
Swainsonia casta, common name the chaste mitre, is a species of sea snail, a marine gastropod mollusk in the family Mitridae, the miters or miter snails.
Scabricola is a genus of sea snails, marine gastropod mollusks in the family Mitridae.
Swainsonia is a genus of sea snails, marine gastropod mollusks in the family Mitridae.
Fossarus is a genus of sea snails, marine gastropod mollusks in the family Planaxidae.
Pyrgulina dimidiata is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Pyrgulina fischeri is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Pyrgulina kempermani is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Pyrgulina pinguis is a species of sea snail, a marine gastropod mollusk 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.
Pyrgulina pupaeformis is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Pyrgulina buriti is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Pyrgulina honmungensis is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Pyrgulina pretiosa is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Pyrgulina yersini is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.

Alcyna is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.
Hypermastus is a genus of sea snails, marine gastropod mollusks in the family Eulimidae.
Hypermastus casta is a species of sea snail, a marine gastropod mollusk in the family Eulimidae.
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