Littorina unifasciata antipodum

Taxobox
name = "Littorina unifasciata antipodum"


image_width =
regnum = Animalia
phylum = Mollusca
classis = Gastropoda
superordo = Caenogastropoda
ordo = Sorbeoconcha
subordo = Hypsogastropoda
infraordo = Littorinimorpha
superfamilia = Littorinoidea
familia = Littorinidae
genus = "Littorina"
species = "L. unifasciata"
subspecies = "L. unifasciata antipodum"
trinomial = "Littorina unifasciata antipodum"
trinomial_authority = Philippi, 1847
synonyms = "Littorina antipodum" Philippi, 1847
"Littorina mauritiana" Suter, 1913
"Melarhaphe oliveri" Finlay, 1930
"Littorina unifasciata antipodum" Rosewater, 1970

"Littorina unifasciata antipodum" is a subspecies of marine gastropod mollusc in the family Littorinidae, the winkles or periwinkles.

Distribution

This species is endemic to New Zealand and surrounding islands.

Habitat

This winkle is commonly found on rocks in the splash zone.

hell description

The shell is smaller than the equally common "Littorina cincta", ovate-conic, solid, almost smooth to faintly spirally incised. Coloration is creamy-white, with a spiral zone of dull blue towards the lower suture. The inner lip and aperture are reddish-brown. The height of the shell is up to 11 mm, and width is up to 7 mm.

References

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