Quinnia

Quinnia is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Seguenziidae.[1]

Quinnia
Drawing with three views of a shell of Quinnia sykesi
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Vetigastropoda
Superfamily:
Seguenzioidea
Family:
Seguenziidae
Subfamily:
Seguenziinae
Tribe:
Seguenziini
Genus:
Quinnia

Marshall, 1988
Synonyms[1]
  • Seguenziella Marshall, 1983

Quinnia is a replacement name for Seguenziella Marshall, 1983

Description

The shape of the shell is conical. It has a peripheral carina and sharp, collabral axial riblets. There is no microsculpture. All whorls possess midwhorl angulation. Spiral lirae are present on some whorls. The shallow posterior sinus has a V-shape. The anterolateral sinus forms a channel. The basal sinus is present. There is no columellar sinus. The aperture has a rhomboidal shape. The columellar tooth is present. There is no umbilical septum.

Radula: the rachidian tooth is higher than broad and has lateral wings reduced or absent. The lateral tooth cusp is narrow. There are less than 10 marginal tooth pairs.[2]

Species

Species within the genus Quinnia include:

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References
  1. Quinnia . Retrieved through: World Register of Marine Species on 26 March 2013.
  2. James F. Quinn Jr., (1991), Systematic Position of Basilissopsis and Guttula, and a Discussion of the Phylogeny of the Seguenzioidea (Gastropoda: Prosobranchia), Bulletin of Marine Science, Volume 49, Numbers 1-2, September 1991 , pp. 575-598(24)
  • Marshall B.A. (1991). Mollusca Gastropoda : Seguenziidae from New Caledonia and the Loyalty Islands. In A. Crosnier & P. Bouchet (Eds) Résultats des campagnes Musorstom, vol. 7. Mémoires du Muséum National d'Histoire Naturelle, A, 150:41-109.
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