Quinnia

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

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 froms 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:

References

  1. 1 2 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)
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