Lissotesta

Taxobox
name = "Lissotesta"
fossil_range = Miocene to Recent


image_caption =
regnum = Animalia
phylum = Mollusca
classis = Gastropoda
subclassis = Orthogastropoda
superordo = Vetigastropoda
superfamilia = Trochoidea
familia = Cyclostrematidae
genus = "Lissotesta"
genus_authority = Iredale, 1915
subdivision_ranks = Species
subdivision = See text.

"Lissotesta" is a genus of minute sea snails or micromolluscs, marine gastropod molluscs in the family Cyclostrematidae.

Distribution

Members of this genus are found in southeastern Australia and New Zealand.

Description

The shells are minute, thin, semi-transparent, rather featureless, of or conical shape, typically smooth or with a few spiral lirae within the umbilicus. The protoconch is small and rounded, of one to one and a half smooth whorls, the aperture is approximately circular, the peristome thin-edged, not variced, and usually adherent across the parietal wall.

pecies within the genus "Lissotesta"

* "Lissotesta ambigua" Dell, 1956
* "Lissotesta aupouria" Powell, 1937
* "Lissotesta benthicola" Powell, 1927
* "Lissotesta bicarinata" Powell, 1940
* "Lissotesta conoidea" Powell, 1937
* "Lissotesta contabulata"
* "Lissotesta decipiens" Powell, 1940
* "Lissotesta errata" Finlay, 1927
* "Lissotesta exigua"
* "Lissotesta granum" (Murdoch and Suter, 1906
* "Lissotesta liratula"
* "Lissotesta mammillata"
* "Lissotesta minutissima"
* "Lissotesta oblata" Powell, 1940
* "Lissotesta otagoensis" Dell, 1956
* "Lissotesta strebeli"

References

* Powell A. W. B., "New Zealand Mollusca", William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
* [http://zipcodezoo.com/Key/Lissotesta_Genus.asp ZipCodeZoo]