Quinnia
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| Quinnia | |
|---|---|
| Drawing with three views of a shell of Quinnia sykesi | |
| Scientific 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] | |
| |
Quinnia is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the subfamily Seguenziinae of the family Seguenziidae.[1]
Quinnia is a replacement name for Seguenziella Marshall, 1983, a junior homonym of Seguenziella Neviani, 1901.[1]
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]