Northia is a genus of large sea snails, marine gastropod mollusks in the subfamily Photinae of the family Nassariidae.Fraussen, K. (2010). Northia Gray, 1847 . In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=490667 on 30 December 2010
Description The shell is elongated, turreted and polished. The spire is elevated, acuminated with whorls depressed and sloping at their upper part. The aperture is shorter than the spire. The outer lip shows the margin serrated.Adams, H. & Adams, A. (1853-1858). The genera of Recent Mollusca; arranged according to their organization. London, van Voorst. Vol. 1: xl + 484 pp.; vol. 2: 661 pp.; vol. 3: 138 pls
Species According to the World Register of Marine Species (WoRMS), the following species with valid names are included within the genus Northia : Northia northiae (Griffith & Pidgeon (ex. Gray MS), 1834) Northia pristis (Deshayes, G.P. in Lamarck, J.B.P.A. de, 1844) Taxon inquirendum Northia angulosa Jousseaume, 1898
References
External links Gray, J. E. (1847). A list of the genera of recent Mollusca, their synonyma and types. Proceedings of the Zoological Society of London. (1847) 15: 129-219 Galindo, L. A.; Puillandre, N.; Utge, J.; Lozouet, P.; Bouchet, P. (2016). The phylogeny and systematics of the Nassariidae revisited (Gastropoda, Buccinoidea). Molecular Phylogenetics and Evolution. 99: 337-353