Quinnia is a replacement name for Seguenziella Marshall, 1983, a junior homonym of Seguenziella Neviani, 1901.[1]
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]
^ abcBieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O (eds.). "Quinnia B. A. Marshall, 1988". MolluscaBase. World Register of Marine Species. Retrieved 11 April 2024.
Marshall, B. A. (1983). "Recent and Tertiary Seguenziidae (Mollusca: Gastropoda) from the New Zealand region". New Zealand Journal of Zoology. 10 (3): 235–261. doi:10.1080/03014223.1983.10423911.