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Quinnia
''Quinnia'' is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Seguenziidae. ''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.〔(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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