Rissoidae is a large family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 of very small and minute sea snail

Sea snail

Sea snail is a common name for those snails that normally live in saltwater, marine gastropod molluscs....

s with an operculum

Operculum (gastropod)

The operculum, meaning little lid, is a corneous or calcareous anatomical structure which exists in many groups of sea snails and freshwater snails, and also in a few groups of land snails...

, marine

Marine (ocean)

Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...

 gastropod mollusks in the clade Littorinimorpha

Littorinimorpha

Littorinimorpha is a large clade of gastropods within Hypsogastropoda consisting primarily of marine species, but also aquatic and terrestrial species as well....

.

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 of this family is still not under study. The number of genera and subgenera is subject to individual interpretation of the researcher.
The following subfamilies have been recognized in the taxonomy of Bouchet & Rocroi

Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)

The taxonomy of the Gastropoda as it was revised by Philippe Bouchet and Jean-Pierre Rocroi is currently the most up-to-date overall system for classifying gastropod mollusks...

 of 2005:

• Rissoinae Gray, 1847
• Rissoininae Stimpson, 1865

Genera

Genera within the family Rissoidae include :

• Alvania
  Alvania
  Alvania is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Alvania include:* Alvania aartseni Verduin, 1986...
  
  Risso, 1826
• Alvinia
  Alvinia
  Alvinia is a genus of minute sea snails with an operculum, marine gastropod mollusks or micromollusks in the family Rissoidae.- Species :Species in the genus Alvinia include:subgenus Alviniasubgenus Linemera* Alvinia gallinacea...
  
  Monterosato, 1884
• Amphirissoa
  Amphirissoa
  Amphirissoa is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Amphirissoa include:* Amphirissoa cyclostomoides Dautzenberg & Fischer H., 1897...
  
  Dautzenberg & Fischer, 1897
• Attenuata
  Attenuata
  Attenuata is a monospecific genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Attenuata include:* Attenuata integella -External links:*...
  
  Hedley, 1918
• Awanuia Powell
  Arthur William Baden Powell
  Dr Arthur William Baden Powell CBE was a New Zealand malacologist, naturalist and palaeontologist, a major influence in the study and classification of New Zealand molluscs through much of the twentieth century. He was known to his friends and family by his third name, "Baden".Powell was born at...
  
  , 1927
• Benthonella
  Benthonella
  Benthonella is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Benthonella include:* Benthonella macra * Benthonella tenella...
  
  Dall, 1889
• Benthonellania
  Benthonellania
  Benthonellania is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Benthonellania include:* Benthonellania acuticostata...
  
  Dall, 1889
• Boreocingula
  Boreocingula
  Boreocingula is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Boreocingula include:* Boreocingula castanea...
  
  Golikov and Kussakin, 1974
• Botryphallus
  Botryphallus
  Botryphallus is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Botryphallus include:* Botryphallus epidauricus...
  
  Ponder, 1990
• Cingula
  Cingula
  Cingula is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Cingula include:* Cingula aequa * Cingula agapeta...
  
  Fleming, 1828
• Crepitacella Guppy, 1867
• Crisilla
  Crisilla
  Crisilla is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Crisilla include:* Crisilla alvarezi Templado & Rolán, 1994...
  
  Monterosato, 1917
• Dipsotoma Laseron, 1956
• Estea Iredale
  Tom Iredale
  Tom Iredale was an English-born ornithologist and malacologist who had a long association with Australia, where he lived for most of his life. He was an autodidact who never went to university and lacked formal training...
  
  , 1915
• Floridiscrobs
  Floridiscrobs
  Floridiscrobs is a genus of very small aquatic snails, operculate gastropod mollusks in the family Hydrobiidae.-Species:Species within the genus Floridiscrobs include:* Floridiscrobs dysbatus...
  
  Pilsbry and McGinty, 1949
• Folinia
  Folinia
  Folinia is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Folinia include:* Folinia bermudezi...
  
  Crosse, 1868
• Frigidoalvania
  Frigidoalvania
  Frigidoalvania is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Frigidoalvania include:* Frigidoalvania brychia Frigidoalvania is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the...
  
  Waren, 1974
• Gofasia
  Gofasia
  Gofasia is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Gofasia include:* Gofasia atlantidis Gofas, 2007* Gofasia galiciae Bouchet & Warén, 1993...
  
  Bouchet & Warén, 1993
• Lironoba
  Lironoba
  Lironoba is a monospecific genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae....
  
  Iredale
  Tom Iredale
  Tom Iredale was an English-born ornithologist and malacologist who had a long association with Australia, where he lived for most of his life. He was an autodidact who never went to university and lacked formal training...
  
  , 1915
• Lucidestea
  Lucidestea
  Lucidestea is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Lucidestea include:* Lucidestea vitrea Laseron, 1956-References:...
  
  Laseron, 1956
• Overelina Iredale
  Tom Iredale
  Tom Iredale was an English-born ornithologist and malacologist who had a long association with Australia, where he lived for most of his life. He was an autodidact who never went to university and lacked formal training...
  
  , 1915
• Manawatawhia Powell
  Arthur William Baden Powell
  Dr Arthur William Baden Powell CBE was a New Zealand malacologist, naturalist and palaeontologist, a major influence in the study and classification of New Zealand molluscs through much of the twentieth century. He was known to his friends and family by his third name, "Baden".Powell was born at...
  
  , 1937
• Manzonia
  Manzonia
  Manzonia is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Manzonia include:* Manzonia alexandrei Gofas, 2010* Manzonia arata Gofas, 2007...
  
  Brusina, 1870
• Merelina
  Merelina
  Merelina is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Merelina include:* Merelina cancellata Criscione & Ponder, 2011...
  
  Iredale
  Tom Iredale
  Tom Iredale was an English-born ornithologist and malacologist who had a long association with Australia, where he lived for most of his life. He was an autodidact who never went to university and lacked formal training...
  
  , 1915
• Microdryas Laseron, 1950
• Microestea Ponder, 1965
• Microstelma
  Microstelma
  Microstelma is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Microstelma include:* Microstelma columbella * Microstelma Oshikatai Lan, 2003...
  
  A. Adams, 1863
• Notoscrobs Powell
  Arthur William Baden Powell
  Dr Arthur William Baden Powell CBE was a New Zealand malacologist, naturalist and palaeontologist, a major influence in the study and classification of New Zealand molluscs through much of the twentieth century. He was known to his friends and family by his third name, "Baden".Powell was born at...
  
  , 1927
• Obtusella
  Obtusella
  Obtusella is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Obtusella include:...
  
  Cossmann, 1921
• Omanimerelina
  Omanimerelina
  Omanimerelina is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Omanimerelina include:* Omanimerelina eloiseae Moolenbeek & Bosch, 2007...
  
  Moolenbeek & Bosch, 2007
• Onoba H. Adams and A. Adams, 1852
• Overelina Iredale
  Tom Iredale
  Tom Iredale was an English-born ornithologist and malacologist who had a long association with Australia, where he lived for most of his life. He was an autodidact who never went to university and lacked formal training...
  
  , 1915
• Ovirissoa
  Ovirissoa
  Ovirissoa is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Ovirissoa include:* Ovirissoa adarensis...
  
  Hedley, 1916
• Pandalosia Laseron, 1956
• Parashiela
  Parashiela
  Parashiela is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Ovirissoa include:* Parashiela ambulata Laseron, 1956-References:...
  
  Laseron, 1956
• Peringiella
  Peringiella
  Peringiella is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Peringiella include:* Peringiella denticulata Ponder, 1985...
  
  Monterosato, 1878
• Plagyostila
  Plagyostila
  Plagyostila is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Plagyostila include:* Plagyostila asturiana Fischer P. in de Folin, 1872...
  
  Folin, 1872
• Pontiturboella
  Pontiturboella
  Pontiturboella is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Pontiturboella include:* Pontiturboella rufostrigata...
  
  Sitnikova, Starobogatov, Anistratenko, 1992
• Porosalvania
  Porosalvania
  Porosalvania is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Porosalvania include:* Porosalvania angulifera Gofas, 2007...
  
  Gofas, 2007
• Powellisetia
  Powellisetia
  Powellisetia is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Powellisetia include:* Powellisetia deserta...
  
  Powell
  Arthur William Baden Powell
  Dr Arthur William Baden Powell CBE was a New Zealand malacologist, naturalist and palaeontologist, a major influence in the study and classification of New Zealand molluscs through much of the twentieth century. He was known to his friends and family by his third name, "Baden".Powell was born at...
  
  , 1965
• Pseudosetia
  Pseudosetia
  Pseudosetia is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Pseudosetia include:* Pseudosetia amydralox Bouchet & Warén, 1993...
  
  Monterosato, 1884
• Pusillina
  Pusillina
  Pusillina is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Pusillina include:* Pusillina amblia...
  
  Monterosato, 1884
• Pseudestea Ponder, 1967
• Quarkia
  Quarkia
  Quarkia is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae....
  
  Faber, 2009
• Rissoa
  Rissoa
  Rissoa is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.The genus was first introduced by M. de Freminville for some small shells observed by M. Antoine Risso, a distinguished naturalist of Nice, France. They were described by M. Demarest in 1814...
  
  Freminville, 1814
• Rissoina
  Rissoina
  Rissoina is a large genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:According to the World Register of Marine Species]] the following species with valid are included within the genus Rissoina : * Rissoina ambigua Gould* Rissoina angeli...
  
  D'Orbigny, 1840
• Rissolina Gould, 1861
• Rissopsis Garrett, 1873
• Ruapukea Dell
  Richard Dell
  Dr Richard Kenneth Dell was a New Zealand malacologist. He was born in Auckland. As a young boy, he took an interest in shells, collecting them from the shores of Waitemata Harbour. He even managed to start a "museum" in his backyard...
  
  , 1952
• Schwartziella
  Schwartziella
  Schwartziella is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Schwartziella include:* Schwartziella abacocubensis Espinosa & Ortea, 2002...
  
  Ponder, 1985
• Scrobs Watson, 1886
• Scrupus Finlay, 1927
• Setia H. and A. Adams, 1852
• Simulamerelina
  Simulamerelina
  Simulamerelina is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Simulamerelina include:* Simulamerelina caribaea...
  
  Ponder, 1985
• Stosicia
  Stosicia
  Stosicia is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Stosicia include:* Stosicia aberrans...
  
  Brusina, 1870
• Subonoba Iredale
  Tom Iredale
  Tom Iredale was an English-born ornithologist and malacologist who had a long association with Australia, where he lived for most of his life. He was an autodidact who never went to university and lacked formal training...
  
  , 1915 : synonym of Onoba
  Onoba (gastropod)
  Onoba is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Onoba include:* Onoba aculeus * Onoba aedonis...
  
  H. & A. Adams, 1852
• Striatestea Powell
  Arthur William Baden Powell
  Dr Arthur William Baden Powell CBE was a New Zealand malacologist, naturalist and palaeontologist, a major influence in the study and classification of New Zealand molluscs through much of the twentieth century. He was known to his friends and family by his third name, "Baden".Powell was born at...
  
  , 1927
• Teretianax Iredale
  Tom Iredale
  Tom Iredale was an English-born ornithologist and malacologist who had a long association with Australia, where he lived for most of his life. He was an autodidact who never went to university and lacked formal training...
  
  , 1918 : synonym of ccepted as Pyramidelloides
  Pyramidelloides
  Pyramidelloides is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Eulimidae.-Species:Species within the genus Pyramidelloides include:* Pyramidelloides angulata...
  
  G. Nevill, 1885
• Thaleia
  Thaleia
  Thaleia is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae....
  
  Warén, 1979
• Tomlinella
  Tomlinella
  Tomlinella is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Tomlinella include:* Tomlinella chagosi Viader, 1938...
  
  Viader, 1938
• Vitricithra
• Voorwindia
  Voorwindia
  Voorwindia is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Voorwindia include:* Voorwindia tiberiana * Voorwindia umbilicata Ponder, 1985...
  
  Ponder, 1985
• Zebina
  Zebina
  Zebina is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.-Species:Species within the genus Zebina include:* Zebina browniana * Zebina laevigata Zebina is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family...
  
  H. Adams and A. Adams, 1854