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

Distribution

This family of snails is found worldwide.

Shell description

The small shells of rissoids can be conical, ovate or subcylindrical. They can be smooth or sculptured. They have an operculum.

Subfamilies

The following subfamilies have been recognized in the taxonomy of Bouchet & Rocroi of 2005

• Rissoinae Gray, 1847
• Rissoininae Stimpson, 1865

Genera within the family Rissoidae

• Alvania Risso, 1826
• Alvinia Monterosato, 1884
• Anabathron Frauenfeld, 1867
• Awanuia Powell, 1927
• Benthonella Dall, 1889
• Benthonellania Dall, 1889
• Boreocingula Golikov and Kussakin, 1974
• Cingula Fleming, 1828
• Crepitacella Guppy, 1867
• Dipsotoma Laseron, 1956
• Estea Iredale, 1915
• Fictonoba Ponder, 1967
• Floridiscrobs Pilsbry and McGinty, 1949
• Folinia Crosse, 1868
• Frigidoalvania Waren, 1974
• Lironoba Iredale, 1915
• Overelina Iredale, 1915
• Manawatawhia Powell, 1937
• Manzonia Brusina, 1870
• Merelina Iredale, 1915
• Microdryas Laseron, 1950
• Microestea Ponder, 1965
• Microstelma A. Adams, 1863
• Nannoteretispira Habe, 1961
• Notoscrobs Powell, 1927
• Nozeba Iredale, 1915
• Onoba H. Adams and A. Adams, 1852
• Overelina Iredale, 1915
• Ovirissoa Hedley, 1916
• Parashiela
• Powellisetia Powell, 1965
• Pusillina
• Pseudestea Ponder, 1967
• Rissoa Freminville, 1814
• Rissoina D'Orbigny, 1840
• Rissopsis Garrett, 1873
• Ruapukea Dell, 1952
• Schwartziella Ponder, 1985
• Scrobs Watson, 1886
• Scrupus Finlay, 1927
• Setia H. and A. Adams, 1852
• Stosicia Brusina, 1870
• Subonoba Iredale, 1915
• Striatestea Powell, 1927
• Teretianax Iredale, 1918
• Vitricithra
• Zebina H. Adams and A. Adams, 1854

References

• Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1