Rissoidae

Rissoidae is a large family of very small and minute sea snails with an operculum, marine gastropod mollusks in the superfamily Rissooidea and the order Littorinimorpha.

Distribution and habitat
This family of snails is found worldwide. They live on sandy or gravel bottoms among algae or marine plants. They are also found under rocks in crevices or sheltered places.

Subfamilies
The classification within this family was a long time not clarified. The number of genera and subgenera was subject to the individual interpretation of the researcher. The following subfamilies were recognized in the taxonomy of Bouchet & Rocroi of 2005: In 2013 the subfamily Rissoininae was elevated to the rank of family Rissoinidae by Criscione F. & Ponder W.F.
 * Rissoinae Gray, 1847
 * Rissoininae Stimpson, 1865

Genera
Genera within the family Rissoidae include:


 * Alvania Risso, 1826
 * Amphirissoa Dautzenberg & Fischer, 1897
 * Archaschenia Zhgenti, 1981 †
 * Benthonella Dall, 1889
 * Benthonellania Lozouet, 1990
 * Boreocingula Golikov and Kussakin, 1974
 * Boreomica Guzhov, 2017 †
 * Botryphallus Ponder, 1990
 * Calvadosiella Wenz, 1939 †
 * Cingula Fleming, 1828
 * Crisilla Monterosato, 1917
 * Ellenstrongia Amati, Di Giulio & Oliverio, 2023
 * Frigidoalvania Waren, 1974
 * Galeodinopsis Sacco, 1895
 * Gofasia Bouchet & Warén, 1993
 * Haurakia Iredale, 1915
 * Hirsonella J. C. Fischer, 1969 †
 * Ihungia Marwick, 1931 †
 * Koskinakra Kadolsky, 2016 †
 * Lucidestea Laseron, 1956
 * Madeiranzonia Moolenbeek & Faber, 2007
 * Manzonia Brusina, 1870
 * Mohrensternia Stoliczka, 1868 †
 * Obtusella Cossmann, 1921
 * Omanimerelina Moolenbeek & Bosch, 2007
 * Onoba H. Adams and A. Adams, 1852
 * Paleoceratia Gründel, 1999 †
 * Parashiela Laseron, 1956
 * Peringiella Monterosato, 1878
 * Plagyostila Folin, 1872
 * Pontiturboella Sitnikova, Starobogatov, Anistratenko, 1992
 * Porosalvania Gofas, 2007
 * Powellisetia Ponder, 1965
 * Pseudosetia Monterosato, 1884
 * Punctulum Jeffreys, 1884
 * Pusillina Monterosato, 1884
 * Pyrgosformisia Barros, S. Lima & D. Tenório, 2018
 * Quarkia Faber, 2009
 * Rissoa Desmarest, 1814
 * Setia H. and A. Adams, 1852
 * Simulamerelina Ponder, 1985
 * Striatestea Powell, 1927
 * Subestea Cotton, 1944
 * Subonoba Iredale, 1915
 * Thierachella J. C. Fischer, 1969 †
 * Trochoturbella Cossmann, 1921 †
 * Vitricithra Laseron, 1956
 * Voorwindia Ponder, 1985
 * Zhgentia Iljina, 2006 †


 * Taxon inquirendum
 * Flemingia Jeffreys, 1884
 * † Paryphostoma Bayan, 1873
 * Polyhyba Haas, 1947


 * Genera brought into synonymy:
 * Adolphinoba Powell, 1930: synonym of Attenuata Hedley, 1918
 * Alvinia Monterosato, 1884: synonym of Alvania Risso, 1826
 * Ameririssoa Ponder, 1985: synonym of Alvania Risso, 1826
 * Apicularia Monterosato, 1884: synonym of Rissoa Desmarest, 1814
 * Auriconoba Nordsieck, 1972: synonym of Rissoa Desmarest, 1814
 * Flemellia Nordsieck, 1972: synonym of Alvania Risso, 1826
 * Galeodina Monterosato, 1884: synonym of Alvania Risso, 1826
 * Goniostoma Villa, 1841: synonym of Rissoa Desmarest, 1814
 * Gueriniana Nordsieck, 1972: synonym of Rissoa Desmarest, 1814
 * Haurakiopsis A. W. B. Powell, 1937: synonym of Haurakia Iredale, 1915
 * Lamarckia Leach, 1852: synonym of Rissoa Desmarest, 1814
 * Lilacinia Nordsieck, 1972: synonym of Rissoa Desmarest, 1814
 * Linemera Finlay, 1924: synonym of Alvania Risso, 1826
 * Loxostoma Bivona-Bernardi, 1838: synonym of Rissoa Desmarest, 1814
 * Manawatawhia Powell, 1937: synonym of Onoba (Manawatawhia) Powell, 1937 represented as Onoba H. Adams & A. Adams, 1852
 * Massotia Bucquoy, Dautzenberg & Dollfus, 1884: synonym of Alvania Risso, 1826
 * Mereliniopsis Ponder, 1967: synonym of Merelina Iredale, 1915
 * Moniziella Nordsieck, 1972: synonym of Alvania Risso, 1826
 * Nobolira Finlay, 1926: synonym of Attenuata Hedley, 1918
 * Ovirissoa Hedley, 1916: synonym of Onoba (Ovirissoa) Hedley, 1916 represented as Onoba H. Adams & A. Adams, 1852
 * Parvisetia Monterosato, 1884: synonym of Setia H. Adams & A. Adams, 1852
 * Persephona Leach, 1852: synonym of Rissoa Desmarest, 1814
 * Plagiostyla Fischer, 1872: synonym of Plagyostila de Folin, 1872
 * Promerelina Powell, 1926: synonym of Merelina Iredale, 1915
 * Radiata Nordsieck, 1972: synonym of Pusillina Monterosato, 1884
 * Rissoia Bronn, 1848: synonym of Rissoa Desmarest, 1814
 * Rissostomia G. O. Sars, 1878: synonym of Rissoa Desmarest, 1814
 * Rudolphosetia Monterosato, 1917: synonym of Setia H. Adams & A. Adams, 1852
 * Sabanea Monterosato, 1884: synonym of Rissoa Desmarest, 1814
 * Schwartzia Bucquoy, Dautzenberg & Dollfus, 1884: synonym of Rissoa Desmarest, 1814
 * Sfaxiella Nordsieck, 1972: synonym of Rissoa Desmarest, 1814
 * Turboella Leach, 1847: synonym of Rissoa Desmarest, 1814
 * Turgidina Verduin, 1979: synonym of Pusillina Monterosato, 1884
 * Zippora Leach, 1852: synonym of Rissoa Desmarest, 1814