Quinnia
| Quinnia | |
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| Drawing with three views of a shell of Quinnia sykesi | |
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
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| (unranked): | clade Vetigastropoda
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| Subfamily: | |
| Tribe: | Seguenziini
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| Genus: | Quinnia Marshall, 1988
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| Synonyms[1] | |
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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 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:
- Quinnia cazioti (Dautzenberg, 1925)
- Quinnia ionica (Watson, 1878)
- Quinnia laetifica Marshall, 1991
- Quinnia limatula Marshall, 1991
- Quinnia patula (Marshall, 1983)
- Quinnia polita (Verco, 1906)
- Quinnia rushi (Dall, 1927)
- Quinnia sykesi (Schepman, 1909)
References
- ^ a b Quinnia. Retrieved through: World Register of Marine Species on 26 March 2013.
- ^ 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)[permanent dead link]
- 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.