Retrotortina is a genus of very minute sea snails, marine gastropod molluscs or micromollusks in the family Omalogyridae.WoRMS (2012). Retrotortina. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138277 on 2012-08-31
Species Species within the genus Retrotortina include: Retrotortina cuniculus Barnard, 1969 Retrotortina damara Rolán & Peñas, 2009 Retrotortina fuscata Chaster, 1896
References
Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213 Spencer, H.; Marshall. B. (2009). All Mollusca except Opisthobranchia. In: Gordon, D. (Ed.) (2009). New Zealand Inventory of Biodiversity. Volume One: Kingdom Animalia. 584 pp
External links Chaster G.W. (1896). Some new marine mollusca from Tangier. Journal of Malacology. 5(1): 1-4, pl. 1. Gofas S. & Warén A. (1998). Europe's smallest gastropod: habitat, distribution and relationships of Retrotortina fuscata (Omalogyridae). Cahiers de Biologie Marine 39: 9-14