Vitrea contracta, commonly known as the milky crystal snail or contracted grass snail, is a species of small land snail in the family Pristilomatidae.
References
Westerlund, C. A. (1871). Fauna molluscorum terrestrium et fluviatilium Sveciae, Norvegiae et Daniae. I. Landmolluskerna. Adolf Bonnier, Stockholm. 1-296 Wagner, A. J. (1907). Zur Kenntnis der Molluskenfauna Oesterreichs und Ungarns, sowie der angrenzenden Balkanländer. Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft. 39 (3): 101–115. Frankfurt am Main. Pintér, L. (1972). Die Gattung Vitrea Fitzinger, 1833 in den Balkanländern (Gastropoda: Zonitidae). Annales Zoologici, 29 (8): 209–315. Warszawa Riedel, A. (1995). Zonitidae sensu lato (Gastropoda, Stylommatophora) der Türkei. Übersicht der Arten. Fragmenta Faunistica, 38 (1): 1-86. Warszawa Sysoev, A. V. & Schileyko, A. A. (2009). Land snails and slugs of Russia and adjacent countries. Sofia/Moskva (Pensoft). 312 pp., 142 plates. Bank, R. A.; Neubert, E. (2017). Checklist of the land and freshwater Gastropoda of Europe. Last update: July 16, 2017 Herbert, D.G. (2010). The introduced terrestrial Mollusca of South Africa. SANBI Biodiversity Series, 15: vi + 108 pp. Pretoria. Cameron, R. A. D., Teixeira, D., Pokryszko, B., Silva, I. & Groh, K. (2021). An annotated checklist of the extant and Quaternary land molluscs of the Desertas Islands, Madeiran Archipelago. Journal of Conchology. 44(1): 53–70. Valovirta, Ilmari, and Risto A. Väisänen. "Multivariate morphological discrimination between Vitrea contracta (Westerlund) and V. crystallina (Müller)(Gastropoda, Zonitidae)." Journal of molluscan studies 52.1 (1986): 62–67.
External links
Westerlund, C. A. (1902). Malacologische Bemerkungen und Beschreibungen. Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft. 34 (1/2): 19-26; 34 (3/4): 35-47. Frankfurt am Main Westerlund, C. A. (1898). Novum specilegium malacologicum. Neue Binnenconchylien aus der paläarktischen Region. Annuaire du Musée Zoologique de l'Académie Impériale des Sciences de St.-Pétersbourg. 3 (2): 155-183. St.-Petersburg Hesse, P. (1882). Eine Reise nach Griechenland. Jahrbücher der Deutschen Malakozoologischen Gesellschaft. 9 (4): 283-336, pl. 12. Frankfurt am Main Roth, B. A. R. R. Y., and TIMOTHY A. Pearce. "Vitrea contracta (Westerlund) and other introduced land mollusks in Lynnwood, Washington." The Veliger 27.9 (1984): 92. - Forsyth, Robert G. "Distributions of nine new or little-known exotic land snails in British Columbia." Canadian Field-Naturalist 113.4 (1999): 559-568. Vitrea contracta at Animalbase taxonomy, short description, distribution, biology, status (threats), images