Mayena australasia blacki

Taxobox
name = "Mayena australasia blacki"


image_width =
regnum = Animalia
phylum = Mollusca
classis = Gastropoda
subclassis = Orthogastropoda
superordo = Caenogastropoda
ordo = Sorbeoconcha
subordo = Hypsogastropoda
superfamilia = Tonnoidea
familia = Ranellidae
subfamilia = Ranellinae
genus = "Mayena"
species = "M. australasia"
subspecies = "M. australasia blacki"
trinomial = "Mayena australasia blacki"
trinomial_authority = Powell A W B, 1954
synonyms =

"Mayena australasia blacki" is a large subspecies of sea snail, a marine gastropod mollusc in the family Ranellidae, the tritons.

Distribution

This subspecies is endemic to the Otago coast of the South Island of New Zealand.

Habitat

This triton is found at depths of between 110 and 130 m.

hell description

The shell is very large for the genus, with the spire much taller than the aperture plus the siphonal canal. There are eight or nine peripheral nodes between the varices.

Coloration is pinkish-buff faintly maculated with light reddish-brown, under a dense pile-like periostracum of lamellae, crowded with short bristles. The aperture and callus are porcellanous-white.

The shell height is up to 118 mm, and the width is up to 59 mm.

References

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