Alcyna
Drawing of a shell of Alcyna lifuensis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Trochidae
Genus: Alcyna
A. Adams, 1860
Type species
Alcyna ocellata
Adams, A., 1860
Synonyms[1]
  • Euchelus (Nevillia) H. Adams, 1868
  • Nevillia H. Adams, 1868

Alcyna is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.[1]

This genus was previously included in the family Phasianellidae.

Description

The minute shell is similar in form to Phasianella. The aperture is ovate. The columella has a heavy callus, bearing near the base a strong curved denticle projecting into the aperture. The outer lip is simple.[2]

The imperforate shell is acutely ovate. The convex whorls are spirally lirate and longitudinally striate. The columella is callous, and toothed below. The outer lip is smooth or toothed within, and varicose exteriorly.[3]

Species

Species within the genus Alcyna include:[1]

The following species were brought into synonymy:[1]

References

  1. ^ a b c d Alcyna A. Adams, 1860. Retrieved through: World Register of Marine Species on 18 December 2018.
  2. ^ G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia
  3. ^ Tryon (1887), Manual of Conchology IX – Solariidae (by William B. Marshall), Ianthinidae, Trichotropidae, Scalariidae, Cerithiidae, Rissoidae, Littorinidae

External links

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