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Cystiscinae

Subfamily of gastropods From Wikipedia, the free encyclopedia

Cystiscinae
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Cystiscinae are a taxonomic subfamily of minute sea snails. These are marine gastropod mollusks or micromollusks in the family Cystiscidae, and the clade Neogastropoda.

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Diagnosis

Shell minute to small, white; spire immersed to low; surface smooth or axially costate; lip thickened, smooth or denticulate; external varix absent; siphonal notch absent; posterior notch absent; columella multiplicate, with combined total of usually 2 to 8 plications plus parietal lirae; internal whorls cystiscid type. Animal mantle smooth, at least partially extending over external shell surface. Internal anatomy unknown.

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Genera

Genera within the subfamily Cystiscinae are as follows:[1]

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Comparative shell structure of three genera

References

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