Cystiscus Rotunda
Cystiscus is a Taxonomy (biology), taxonomic genus of minute sea snails, marine (ocean), marine gastropod mollusks or micromollusks. This genus was placed in the family Cystiscidae by Coovert and Coovert, 1995. Previously the genus was in the family Marginellidae, where it is still placed by many other malacologists. Diagnosis Exoskeleton, Shell minute to small, white, hyaline; Spire (mollusc), spire immersed to low; lip thickened, smooth or weakly denticulate; external Varix (mollusc), varix absent; siphonal notch absent; posterior notch absent; lacking collabral parietal callus ridge; columella multiplicate, with combined usually 2 to 8 plications plus parietal lirae, first plication usually strong and raised. Mantle (mollusc), Mantle smooth, at least partially extending over external shell surface. Shell description Shell minute to small (adult length ). Color white, hyaline; surface smooth, glossy. Shape usually elliptic, obovate, or subtriangular; weakly shouldered. Spir ...
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Cystiscus Yasawaensis
''Cystiscus yasawaensis'' is a species of very small sea snail, a marine gastropod mollusk or micromollusk in the family (biology), family Cystiscidae. Description The shell can grow to be 2.2 mm in length. Distribution ''Cystiscus yasawaensis'' can be found off the coast of Fiji. References

Gastropods described in 2006 Cystiscus, yasawaensis {{Cystiscidae-stub ...
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