Cantharidus roseus

Cantharidus roseus Shell of Cantharidus roseus Scientific
classification Kingdom: Animalia Phylum: Mollusca Class: Gastropoda
Subclass: Vetigastropoda Order: Trochida Superfamily: Trochoidea
Family: Trochidae Genus: Cantharidus Species: C. roseus Binomial name
Cantharidus roseus(Hutton, 1873) Synonyms Margarella antipoda rosea
Hutton, 1873 Photinula decepta Iredale, T., 1908 Cantharidus roseus is
a species of sea snail, a marine gastropod mollusk in the family
Trochidae, the top snails.[1] Contents 1 Description 2 Distribution 3
References 4 External links Description[edit] The length of the shell
varies between 4 mm and 12 mm. It grazes on kelp. The small,
imperforate, thin, fragile shell has a globosely conoidal shape. Its
sculpture consists of very finely spirally striated, with 30
striations on the penultimate whorl and obscured on the body whorl by
growth lines. The colour is variable and typical. The 2 apical whorls
are white or pinkish-white, on the third whorl 2 purplish bands
equidistant from the sutures arise. The 4th whorl is wholly
purplish-black, as is the body whorl. In some shells these bands
persist on to the last 2 whorls. Additional bands arise so that on the
body whorl 5 distinct bands can be counted. Rarely additional minute
bands can be seen between these principal bands. In some cases the
purple on the last whorl breaks up into irregular dashes. The shells
found at ShagPoint are mostly light-coloured. Some have almost a white
ground colour, with 5 separate distant bands. Others have a pinkish
ground colour, with darker markings between the principal bands.
Whilst in some the bands on the body whorl are broken up into dots.
The spire is very short. and contains five whorls. The body whorl is
very large, rapidly descending. The suture is distinctly marked. The
aperture is large and round. The outer lip is thin, edged with a thin
band of white, inside iridescent. The columella is subvertical,
semicurved, expanding as a callus over the umbilicus.[2]
Distribution[edit] This marine species is endemic to New Zealand and
occurs off South Island, Otago to Stewart Island, and Snares Islands.
References[edit] ↑ Rosenberg, G. (2012). Cantharidus rosea (Hutton,
1873). Accessed through: World Register of Marine Species at
http://www.marinespecies.org/aphia.php?p=taxdetails&id=598223 on
2012-11-23 ↑ Suter H. (1913-1915), Manual of New Zealand Mollusca;
Wellington, N. Z. :J. Mackay, govt. printer,1913-1915 (described as
Photinula decepta) Powell, A.W.B. 1979: New Zealand Mollusca: Marine,
Land and Freshwater Shells. Collins, Auckland 500p Spencer, H.G.;
Marshall, B.A.; Maxwell, P.A.; Grant-Mackie, J.A.; Stilwell, J.D.;
Willan, R.C.; Campbell, H.J.; Crampton, J.S.; Henderson, R.A.;
Bradshaw, M.A.; Waterhouse, J.B.; Pojeta, J. Jr (2009). Phylum
Mollusca: chitons, clams, tusk shells, snails, squids, and kin, in:
Gordon, D.P. (Ed.) (2009). New Zealand inventory of biodiversity: 1.
Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia.
pp. 161–254 External links[edit] Gastropods.com: Cantharidus rosea
See also Wikidata entry Q5033770. 0.00 (0 votes) Retrieved from
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