Clelandella miliaris

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

Clelandella miliaris
Drawing with two views of a shell of Clelandella miliaris
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Trochidae
Genus: Clelandella
Species:
C. miliaris
Binomial name
Clelandella miliaris
(Brocchi, 1814)[1]
Synonyms[2]
  • Calliostoma miliaris (Brocchi, 1814)
  • Clelandella clelandi (W. Wood, 1828)
  • Conulus millegranus Philippi
  • Jujubinus aureus Monterosato, 1890
  • Jujubinus clelandi (Wood, 1828)
  • Jujubinus miliaris (Brocchi, 1814)
  • Trochus clelandi W. Wood, 1828
  • Trochus clelandianis Leach
  • Trochus elegans Jeffreys
  • Trochus martini Smith, J., 1839
  • Trochus miliaris Brocchi, 1814 (original description)
  • Trochus millegranus Philippi, 1836
  • Trochus millegranus var. pyramidata Jeffreys 1865
  • Ziziphinus millegranus Philippi

Description

The size of the shell varies between 7 mm and 18 mm. The imperforate, rather thin, but pretty solid shell has a strictly conical shape. It is whitish or yellowish, with more or less obvious longitudinal flames, often reduced to a few spots on the ribs and a row of spots at the periphery of each whorl. The surface is densely finely sculptured by spiral lirae crossed by very regular oblique lamellae, producing a clathrate pattern. The spiral lirae number about 6 on each whorl, but often double as many, by the intercalation of riblets in the interstices. The periphery has a prominent keel, cord-like, with secondary spiral striae, or bifid, cut into compressed granules, somewhat prominent above the sutures. The base has about 8 concentric ribs. The interstices are radiately striate, sometimes with a central riblet. The spire has a conical shape with about 7 whorls. The periphery is acutely angled. The base of the shell is flat. The aperture is quadrangular. The short columella is nearly straight.[3]

Distribution

This marine species has a wide distribution. It occurs off Lofoten Islands, the North Sea (Norway to Gibraltar), off Cape Verde Islands, West Sahara and Mauritania; in the Mediterranean Sea and the Adriatic Sea. In the Baltic Sea it has become a vulnerable species.[4]

References
  1. Brocchi G. B. (1814). Conchiologia fossile subappenninica con osservazioni geologiche sugli Appennini e sul suolo adiacente. Milano Vol. I: pp. LXXX + 56 + 240; Vol. II, pp. 241–712, pl. 1–16. World Register of Marine Species, Retrieved 1 May 2010.
  2. Clelandella miliaris (Brocchi, 1814). Retrieved through: World Register of Marine Species on 18 December 2018.
  3. Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia (described as Calliostoma miliaris)
  4. HELCOM (2013). "HELCOM Red List of Baltic Sea species in danger of becoming extinct" (PDF). Baltic Sea Environmental Proceedings (140): 66. Archived from the original (PDF) on 7 October 2014. Retrieved 3 August 2014.
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