Astele scitula

Astele scitula is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.[1]

Astele scitula
Drawing with an apertural view of a shell of Astele scitula
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Calliostomatidae
Genus: Astele
Species:
A. scitula
Binomial name
Astele scitula
(A. Adams, 1854)
Synonyms[1]
  • Calliostoma (Astelena) scitulum (Adams, A. in Adams, H.G. & A. Adams, 1854)
  • Eutrochus scitulus (A. Adams, 1854)
  • Ziziphinus scitulus A. Adams, 1854

Notes

Additional information regarding this species:[1]

  • Taxonomic remark: Some authors place this taxon in the subgenus Astele (Astelena)

Description

The height of the shell attains 15 mm. This is a very distinct little shell, with slender spire, granulose upper whorls, and a wide, rather depressed body whorl.

The small, thin shell is umbilicate. It has a slender elevated spire and a broad body whorl. Its color is yellowish, obscurely maculate with brown. The seven whorls are convex. The apical whorls is smooth, following 3 or 4 granulate whorls. The rest is densely spirally striate, with light incremental lines which decussate the lirulae, especially beneath. The spire is slender, its lateral outlines concave. The body whorl is rounded at its periphery or obtusely angled, and convex beneath. The aperture is rounded. The outer and basal lips are thin, forming a half-circle. The white columella is deeply arcuate, ending in an inconspicuous tubercle at base. The deep umbilicus is funnel-shaped and bounded by an angle.[2]

Distribution

This marine species occurs from southern Queensland to South Australia.

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References
  1. Rosenberg, G. (2012). Astele scitula (A. Adams, 1854). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=467148 on 2012-12-07
  2. Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia (described as Calliostoma scitulum)
  • To Encyclopedia of Life
  • To USNM Invertebrate Zoology Mollusca Collection
  • To World Register of Marine Species
  • "Calliostoma (Astelena) scitulum". Gastropods.com. Retrieved 15 January 2019.
  • Seashells of New South Wales: Astele scitulum
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