{{Automatic taxobox |taxon = Alvania |image = Alvania clathrella 001.jpg |image_caption = Alvania clathrella |authority = Risso, 1826 |synonyms_ref = |synonyms = Acinopsis Monterosato, 1884 Acinulus Monterosato [in Seguenza], 1903 Acinus Monterosato, 1884 Actonia Monterosato, 1884 Alcidia Monterosato, 1890 † (invalid: junior homonym of Alcidia Westwood, 1879 [Lepidoptera]; Alcidiella is a replacement name) Alcidiella Cossmann, 1921 † Alvanea (incorrect subsequent spelling) Alvania (Acinulus) Seguenza, 1903 (Not sufficiently different from Alvania s.s.) Alvania (Alvanolira) F. Nordsieck, 1972 Alvania (Alvinia) Monterosato, 1884 Alvania (Coronalvania) F. Nordsieck, 1972 Alvania (Lanciella) F. Nordsieck, 1972 Alvania (Linemera) Finlay, 1924 Alvania (Moniziella) F. Nordsieck, 1972 Alvania (Willetia) (incorrect subsequent spelling) Alvania (Willettia) Gordon, 1939 (Willettia synonymized with Alvania) Alvaniella Monterosato [in Sacco], 1895 Alvanolira F. Nordsieck, 1972 Alvinia Monterosato, 1884 Alvinia (Conalvinia) Ponder, 1967 Alvinia (Linemera) Finlay, 1924 Ameririssoa Ponder, 1985 Arsenia Monterosato, 1891 Conalvinia Ponder, 1967 Flemellia Nordsieck, 1972 Galeodina Monterosato, 1884 Linemera Finlay, 1924 Manzonia (Alvinia) Monterosato, 1884 Manzonia (Andrewiella) F. Nordsieck, 1972 Massotia Bucquoy, Dautzenberg & Dollfus, 1884 Moniziella Nordsieck, 1972 Profundialvania Taviani, 1975 Pseudalvania R. Janssen, 1967 Pusillina (Ameririssoa) Ponder, 1985 Rissoa (Alvania) (Alvinia) Monterosato, 1884 Rissoa (Galeodina) Monterosato, 1884 Rissoia (Alvania) Risso, 1826 Thapsia Monterosato, 1884 (invalid: junior homonym of Thapsia Albers, 1860; Thapsiella is a replacement name)Thapsiella P. Fischer, 1885 'Turbona Leach [in Gray], 1847 Turbona (Massotiella) F. Nordsieck, 1972 Zacanthusa Leach, 1852 | type_species = Alvania cimex | type_species_authority = (Linnaeus, 1758) | subdivision_ranks = Species | subdivision = See text | display_parents = 3 }}Alvania is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.Alvania as currently used may not be monophyletic. Distribution These marine species can be found worldwide (except in the Antarctic and Subantarctic regions). Species Species within the genus Alvania include:Alvania aartseni Verduin, 1986Alvania abrupta (Dell, 1956)Alvania abstersa van der Linden & van Aartsen, 1993 † Alvania acuticarinata Landau, Ceulemans & Van Dingenen, 2018Alvania adiaphoros Bouchet & Warén, 1993Alvania adinogramma Bouchet & Warén, 1993Alvania aeoliae Palazzi, 1988Alvania aequisculpta Keep, 1887Alvania africana Gofas, 1999 † Alvania aglaja De Stefani & Pantanelli in De Stefani, 1888 Alvania akibai (Yokoyama, 1926) Alvania albachiarae Perugia, 2021Alvania alboranensis Peñas & Rolán, 2006 † Alvania alfredbelli Faber, 2017 †Alvania algeriana (Monterosato, 1877) Alvania aliceae Amati, 2014 † Alvania allixi Cossmann, 1919Alvania almo Bartsch, 1911 † Alvania alta Bałuk, 1975Alvania amatii Oliverio, 1986 † Alvania amoena Tabanelli, Bongiardino & Perugia, 2011 † Alvania amphitrite Thivaiou, Harzhauser