Aclis angulata

Aclis angulata
Shell of Aclis angulata (specimen at the Natural History Museum, London)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Family: Eulimidae
Genus: Aclis
Species:
A. angulata
Binomial name
Aclis angulata

Aclis angulata is a species of sea snail, a marine gastropod mollusk in the family Eulimidae.[1]

Homonymy

Junior homonym of Aclis angulata P. Fischer, 1869.

Description

The length of the shell attains 2 mm, its diameter 0.75 mm.

(Original description in Latin) The shell is small, elongate, and turreted, with a smooth white surface and composed of six whorls. The first two whorls are large, convex, and smooth, transitioning to subsequent whorls that are obliquely sloping above, sharply carinate-angular at the midsection, and constricted below the angle. These later whorls are adorned with prominently elevated, closely spaced, and regular growth lines.

The body whorl exhibits a very obtusely rounded-angular profile at the periphery. The aperture is oblique and irregularly ovate, with a continuous, non-thickened peristome that is subtly sinuate above the angle near the suture.

This little species is remarkable for its angular whorls, the regular close-set raised lines of growth, and large apex. [2]

Distribution

This species has occurred in the Atlantic Ocean off Saint Helena.[1]

References

  1. ^ a b WoRMS. "Aclis angulata E. A. Smith, 1890". World Register of Marine Species. Retrieved 2024-02-27.
  2. ^ Smith, E. A. (1890). Report on the marine molluscan fauna of the island of St. Helena. Proceedings of the Zoological Society of London. 1890(2): 247-317, pls. 21-24.


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