Herpetopoma instrictum

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Herpetopoma instrictum
Herpetopoma instrictum 001.jpg
Two views of a shell of Herpetopoma instrictum
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Superfamily: Seguenzioidea
Family: Chilodontaidae
Genus: Herpetopoma
Species:
H. instrictum
Binomial name
Herpetopoma instrictum
(Gould, 1849) [1]
Synonyms [2]
  • Euchelus bourcierei(Crosse, 1863)
  • Euchelus instrictusGould, A.A., 1849
  • Monodonta alveolataA. Adams, 1853
  • Monodonta bourciereiCrosse, 1863
  • Trochus (Monodonta) instrictusGould, 1849 (original combination)
  • Turcica instrictaGould, 1864

Herpetopoma instrictum, common name the basket-like false top shell, is a species of sea snail, a marine gastropod mollusk in the family Chilodontidae. [2] [3] [4] [5]

Contents

Description

The size of the shell varies between 3 mm and 10 mm. The small, solid, elevated shell has an ovate-conic shape. It is white, with a series of about 10 rufous spots near the suture. The five whorls form a conical spire. They are ventricose, with delicate, highly elevated spiral rib-striae,- of which there are about 5 on the upper and 10 on the last whorl. The surface of the ribs is slightly tuberculous, and the last one overhangs the succeeding whorl so as to form a broad deep channel at the suture. The interspaces have about the same width as the ribs, and are beautifully barred with close-set laminae. The base of the shell isconvex, with a small deep scalariform umbilicus, sculptured like the spire. The aperture is obliquely semicircular. The outer lip is crenulated by the ribs, and conspicuously sulcate within. The columella is sharp, oblique, armed with a fully developed sharp tooth at the base, succeeded by a deep basal notch. [6]

Distribution

This marine species occurs off Japan, the Philippines, New Caledonia and Fiji

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References

  1. ↑ Gould, Proc. Bost. Soc. N. H. iii, p. 167, 1849
  2. 1 2 Bouchet, P. (2012). Herpetopoma instrictum (Gould, 1849). Retrieved through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=547219 on 2013-04-14
  3. ↑ Poppe G.T., Tagaro S.P. & Dekker H. (2006) The Seguenziidae, Chilodontidae, Trochidae, Calliostomatidae and Solariellidae of the Philippine Islands. Visaya Supplement 2: 1-228.
  4. ↑ Higo, S., Callomon, P. & Goto, Y. (1999) Catalogue and Bibliography of the Marine Shell-Bearing Mollusca of Japan. Elle Scientific Publications, Yao, Japan, 749 pp.
  5. ↑ Herbert D.G. (2012) A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean. African Invertebrates, 53(2): 381–502. (6 November 2012)
  6. ↑ Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia (described as Euchelus instrictus)
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