Quinnia

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

Quinnia
Drawing with three views of a shell of Quinnia sykesi
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Superfamily: Seguenzioidea
Family: Seguenziidae
Subfamily: Seguenziinae
Genus: Quinnia
Marshall, 1988
Type species
Seguenziella patula
B. A. Marshall, 1983
Synonyms[1]
  • Seguenziella Marshall, 1983

Quinnia is a replacement name for Seguenziella Marshall, 1983, a junior homonym of Seguenziella Neviani, 1901

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:

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)

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