Cyclostrematidae

Taxobox
name = Cyclostrematidae


image_caption =
regnum = Animalia
phylum = Mollusca
classis = Gastropoda
subclassis = Orthogastropoda
superordo = Vetigastropoda
superfamilia = Trochoidea
familia = Cyclostrematidae
familia_authority = Fischer, 1885
subdivision_ranks = Genera
subdivision = See text.

"Cyclostrematidae" is a taxonomic family of small sea snails, marine gastropod molluscs in the superorder Vetigastropoda.

(Note: Gastropod taxonomy has been in flux for more than half a century, and this is especially true currently, because of new research in molecular phylogeny. Because of all the on-going changes, different reliable sources can yield very different classifications.)

Description

These are small shells, mostly with a low to flattened spire, varying from thin and fragile to solidly built, and from smooth to strongly axially and spirally sculptured. The operculum is circular, with a central nucleus, chitinous within but with the outer surface either , or with calcareous granules.

Distribution

Worldwide.

Genera within the family "Cyclostrematidae"

* "Brookula" Iredale, 1912
* "Cirsonella" Angas, 1877
* "Conjectura" Finley, 1927
* "Coronadoa" Bartsch, 1946
* "Crosseola" Iredale, 1924
* "Elachorbis" Iredale, 1915
* "Liotella" Iredale, 1915
* "Lissotesta" Iredale, 1915
* "Lissotestella" Powell, 1946
* "Lodderena" Iredale, 1924
* "Lodderia" Tate, 1899
* "Molleriopsis" Bush, 1897
* "Munditia" Finley, 1927
* "Notosetia" Iredale, 1915
* "Pterarene" Sakurai and Habe, 1977
* "Tasmocrossea" Dell, 1952
* "Zalipais" Iredale, 1915

References

*
* Powell A. W. B., "New Zealand Mollusca", William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1