Austrocochlea piperina

Austrocochlea piperina is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.[2][3]

Austrocochlea piperina
Drawing with two views of a shell of Austrocochlea piperina
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Trochidae
Genus: Austrocochlea
Species:
A. piperina
Binomial name
Austrocochlea piperina
(Philippi, 1849) [1]
Synonyms[2]
  • Diloma piperinum (Philippi, 1849)
  • Monodonta piperina (Philippi, 1849)
  • Trochus piperinus Philippi, 1849
  • Turbo amoenus Gould, 1849

Description

The height of the shell attains 8 mm, its diameter 7.5 mm. The small, imperforate, thick, solid shell has a globose-conic shape. It is blackish, speckled and maculated all over with yellowish. The body whorl is spirally encircled by two narrow bands of black articulated with orange. The short spire is generally eroded more or less. The apex is acute or eroded. The 4 to 5 whorls are slightly convex, spirally finely striate, the striae often almost obsolete. The aperture is rounded. The acute outer lip is arcuate, thickened within, the nacre inside appearing finely lirate . The columella is short, oblique, not as wide as usual in this group, quite obviously bluntly toothed in the middle.[4]

Distribution

This marine species occurs off Hawaii, Fiji and Taiwan.

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References
  1. Philippi, Zeitschr. f. Mai, 1848, p. 111.
  2. Marshall, B. (2015). Austrocochlea piperina (Philippi, 1849). In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=821615 on 2016-11-26
  3. Donald K.M., Kennedy M. & Spencer H.G. (2005) The phylogeny and taxonomy of austral monodontine topshells (Mollusca: Gastropoda: Trochidae), inferred from DNA sequences. Molecular Phylogenetics and Evolution 37: 474-483.
  4. Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia (described as Monodonta piperina)
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