Scientific Name	English Name	Distribution	Max. Length (cm)	Year
Melanella lucida		Atlantic Ocean.	0.8 DL	1884
Merelina cheilostoma		Southwest Pacific		1877
Merelina compacta		Southwest Pacific		1927
Merelina coronata		Southwest Pacific		1926
Merelina granulosa		Pacific Ocean
Merelina hewa		Eastern Central Pacific
Merelina pisinna		Pacific Ocean.		1896
Merelina superba		Southwest Pacific		1927
Microstelma canaliculatum		Eastern Atlantic.	0.3 DL	1890
Microstelma columbella		Western Atlantic.	1 DL	1881
Microstelma gabbi		Western Atlantic.	0.9 DL	1889
Microstelma japonica		Western Central Pacific		1863
Microstelma oshikatai		Western Central Pacific		2004
Microstelma vestale		Western Central Atlantic.	1.1 DL	1943
Nannoteretispira japonica		Western Central Atlantic.		1961
Obtusella intersecta		Mediterranean Sea, Northe		1857
Obtusella macilenta		Mediterranean Sea.		1880
Obtusella ovulata		Mediterranean Sea.		1972
Onoba aculeus	Pointed cingula	Northeast Atlantic, Arcti	0.4 DL	1841
Onoba aedonis		Atlantic Ocean.	0.2 DL	1886
Onoba alaskana		Atlantic Ocean.		1886
Onoba algida		Western Atlantic.	0.3 DL	1994
Onoba amissa		Western Atlantic.	0.2 DL	1994
Onoba anderssoni		Western Atlantic.	0.2 DL	1908
Onoba aurivillii		Western Atlantic.		1887
Onoba bakeri		Western Atlantic.		1910
Onoba brachia		Western Atlantic.	0.1 DL	1886
Onoba candidissima		Southwest Pacific		1905
Onoba carpenteri		Southwest Pacific		1885
Onoba castanella		Northern Pacific	0.3 DL	1886
Onoba cerinella		Northern Pacific		1887
Onoba crassicordata		Atlantic Ocean.	0.2 DL	1993
Onoba cruzi		Western Atlantic.	0.3 DL	1974
Onoba dalli		Western Atlantic.		1927
Onoba delecta		Western Atlantic.	0.2 DL	1983
Onoba dimassai		Mediterranean Sea.		1991
Onoba erugata		Southeast Pacific and Wes	0.2 DL	1994
Onoba exarata		Western Atlantic.	0.3 DL	1851
Onoba filostria		Western Atlantic.	0.2 DL	1912
Onoba forresterensis		Western Atlantic.		1934
Onoba fuegoensis		Southeast Pacific and Wes	0.3 DL	1908
Onoba gelida		Antarctic and Southwest P	0.3 DL	1907
Onoba georgiana		Southeast Pacific and Sou	0.3 DL	1886
Onoba gianninii		Mediterranean Sea.		1974
Onoba glaphyra		Atlantic Ocean.	0.2 DL	1886
Onoba glypta		Eastern Atlantic.	0.3 DL	1890
Onoba grisea		Western Atlantic.	0.3 DL	1885
Onoba improcera		Northeast Atlantic and th		1996
Onoba kergueleni		Western Atlantic, Indo-Pa	0.3 DL	1875
Onoba kermadecensis		Southwest Pacific		1927
Onoba kyskensis		Southwest Pacific		1911
Onoba lacuniformis		Western Atlantic and East	0.2 DL	1994
Onoba leptalea		Atlantic Ocean and the Ar	0.3 DL	1884
Onoba lusciniae		Atlantic Ocean.	0.2 DL	1886
Onoba macra		Atlantic Ocean.	0.2 DL	1886
Onoba merelinoides		Atlantic Ocean.	0.3 DL	1993
Onoba mighelsi		Northeast Atlantic		1851
Onoba mighelsii		Atlantic Ocean and Easter	0.3 DL	1851
Onoba muriei		Atlantic Ocean and Easter		1939
Onoba obliqua		Western Atlantic.	0.4 DL	1974
Onoba oliverioi		Mediterranean Sea.		2000
Onoba ovata		Antarctic Indian Ocean		1912
Onoba palmeri		Antarctic Indian Ocean		1919
Onoba paucilirata		Western Atlantic and Indi	0.3 DL	1912
Onoba pelagica		To be filled.		1851
Onoba platia		Eastern Atlantic.	0.2 DL	1890
Onoba protofimbriata		Southeast Pacific and Sou	0.2 DL	1994
Onoba schraderi		Western Atlantic and Indi	0.3 DL	1908
Onoba schythei		Southeast Pacific and Sou	0.3 DL	1868
Onoba semicostata		Northeast Atlantic, Arcti		1803
Onoba steineni		Western Atlantic and Indo	0.4 DL	1908
Onoba striola		Southeast Pacific and Wes	0.2 DL	1994
Onoba subaedonis		Southeast Pacific and Sou	0.2 DL	1994
Onoba subantarctica		Antarctic		1916
Onoba subincisa		Southeast Pacific and Wes	0.2 DL	1994
Onoba sulcula		Western Atlantic.	0.3 DL	1994
Onoba torelli		Atlantic Ocean.	0.3 DL	1996
Onoba transenna		Antarctic, Western Atlant	0.3 DL	1886
Onoba tristanensis		Atlantic Ocean.	0.2 DL	1993
Onoba turqueti		Western Atlantic and Indo	0.3 DL	1905
Ovirissoa scotiana		Western Atlantic.	0.3 DL	1907
Parashiela ambulata		Eastern Central Pacific		1956
Peringiella denticulata		Mediterranean Sea.		1985
Peringiella elegans		Mediterranean Sea.		1892
Plagyostila asturiana		Mediterranean Sea.		1872
Powellisetia australis		Antarctic, Western Atlant		1886
Powellisetia deserta		Antarctic Indian Ocean	0.3 DL	1907
Powellisetia fallax		Eastern Central Pacific		1979
Powellisetia inornata		Western Atlantic.	0.2 DL	1908
Powellisetia microlirata		Southeast Pacific and Wes	0.2 DL	1994
Powellisetia philomelae		Atlantic Ocean.	0.2 DL	1886
Pseudosetia azorica		Atlantic Ocean.		1993
Pseudosetia ficaratiensis		Mediterranean Sea.		1876
Pseudosetia turgida		Atlantic Ocean and the Ar		1870
Punctulum wyvillethomsoni		Atlantic Ocean and the Ar	0.4 DL	1877
Pusillina averni		Southeast Pacific and Wes	0.2 DL	1994
Pusillina benzi		Mediterranean Sea.		1844
Pusillina ehrenbergi		Mediterranean Sea.		1844
Pusillina harpa		Western Atlantic.	0.3 DL	1880
Pusillina inconspicua	Spotted risso	Northeast Atlantic, Medit		1844
Pusillina lineolata		Mediterranean Sea.		1832
Pusillina marginata		Mediterranean Sea.		1832
Pusillina munda		Mediterranean Sea.		1884
Pusillina philippi		Mediterranean Sea.		1844
Pusillina radiata		Mediterranean Sea.		1836
Pusillina sarsii		Mediterranean Sea.		1846
Pusillina testudae		Mediterranean Sea.		1979
Pusillina tumidula		Northeast Atlantic and th		1878
Pusillina turrita		Northeast Atlantic and th		1890
Pusillina wallacei		Southwest Pacific		1915
Rissoa aartseni		Mediterranean Sea.		1985
Rissoa alleryi		Mediterranean Sea.		1972
Rissoa angustior		Mediterranean Sea.		1917
Rissoa atomus		Eastern Atlantic.	0.1 DL	1890
Rissoa auriformis		Mediterranean Sea.		1904
Rissoa auriscalpium		Mediterranean Sea.		1758
Rissoa cretacea		Western Atlantic.		1860
Rissoa curta		Western Atlantic.	0.1 DL	1927
Rissoa decorata		Mediterranean Sea.		1846
Rissoa frauenfeldiana		Mediterranean Sea.		1868
Rissoa guerinii		Mediterranean Sea.		1843
Rissoa incompta		Western Atlantic.	0.2 DL	1862
Rissoa inconspicua		Western Atlantic.
Rissoa interrupta	Spot-banded rissoa	Northeast Atlantic.		1800
Rissoa italiensis		Mediterranean Sea.		1985
Rissoa labiosa		Mediterranean		1803
Rissoa lia		Mediterranean Sea.		1884
Rissoa lilacina		Northeast Atlantic		1843
Rissoa membranacea	Thick-lipped spire shell	Northeast Atlantic and th
Rissoa monodonta		Mediterranean Sea.		1836
Rissoa mortoni		Western Atlantic.		1860
Rissoa multicincta		Mediterranean Sea.		1995
Rissoa ordinaria		Eastern Atlantic.	0.1 DL	1890
Rissoa panhormensis		Mediterranean Sea.		1985
Rissoa paradoxa		Mediterranean Sea.		1884
Rissoa parva	Thick-lipped ribbed rissoa	Northeast Atlantic, Arcti
Rissoa patens		Western Atlantic.	0.3 DL	1862
Rissoa pompholyx		Western Atlantic.	0.3 DL	1927
Rissoa pseustes		Eastern Atlantic.	0.1 DL	1890
Rissoa pupoidea		Western Atlantic.	0.2 DL	1851
Rissoa rodhensis		Mediterranean Sea.		1985
Rissoa scurra		Mediterranean Sea.		1917
Rissoa similis		Mediterranean Sea.		1836
Rissoa splendida		Mediterranean Sea.		1830
Rissoa syngenes		Mediterranean Sea.		1884
Rissoa toroensis		Mediterranean Sea.		1958
Rissoa torquilla		Mediterranean Sea.		1912
Rissoa variabilis	Variable risso	Mediterranean Sea.		1824
Rissoa ventricosa	Ventricose rissoa	Mediterranean Sea.		1814
Rissoa violacea	Violet risso snail	Northeast Atlantic and th		1814
Rissoa xanthias		Northeast Atlantic and th	0.2 DL	1885
Schwartziella abacocubensis		Western Atlantic.	0.4 DL	2002
Schwartziella bakeri		Western Atlantic.		1902
Schwartziella bouryi		Western Central Atlantic	0.3 DL	1949
Schwartziella bryerea		Atlantic Ocean.	0.6 DL	1803
Schwartziella catesbyana	Catesby's risso	Western Atlantic.	0.5 DL	1842
Schwartziella chesnelii		Western Central Atlantic.	0.3 DL	1830
Schwartziella cleo		Western Central Atlantic.		1915
Schwartziella congenita		Eastern Atlantic.	0.4 DL	1890
Schwartziella dalli		Eastern Atlantic.		1915
Schwartziella fischeri	Fischer's risso	Western Atlantic	0.4 DL	1949
Schwartziella floridana		Western Atlantic	0.5 DL	1953
Schwartziella hannai		Western Atlantic		1948
Schwartziella helenae		Eastern Atlantic.	0.3 DL	1890
Schwartziella mellissi		Eastern Atlantic.	0.3 DL	1890
Schwartziella minor		Western Atlantic.	0.4 DL	1850
Schwartziella triticea		Central Pacific		1861
Schwartziella turtoni		Eastern Atlantic.	0.3 DL	1890
Schwartziella vanpeli		Western Central Atlantic	0.4 DL	1988
Setia amabilis		Mediterranean Sea.		1886
Setia ambigua		Mediterranean Sea.		1873
Setia antipolitana		Mediterranean Sea.		1987
Setia bruggeni		Mediterranean Sea.		1984
Setia fusca		Mediterranean Sea.		1841
Setia incognita		Mediterranean Sea.		2021
Setia kuiperi		Mediterranean Sea.		1984
Setia levantina		Mediterranean Sea.		2007
Setia maculata		Mediterranean Sea.		1869
Setia pulcherrima		Mediterranean Sea.		1848
Setia quisquiliarum		Northeast Atlantic.		1886
Setia scillae		Mediterranean Sea.		1876
Setia tenuisculpta		Atlantic Ocean.	0.2 DL	1873
Setia triangularis		Eastern Atlantic.	0.1 DL	1886
Setia turgida		Eastern Atlantic.		1870
Setia turriculata		Mediterranean Sea.		1884
Simulamerelina caribaea		Western Atlantic.	0.3 DL	1842
Simulamerelina didyma		Western Atlantic.	0.2 DL	1886
Simulamerelina novemstriata		Western Atlantic.	0.2 DL	2004
Simulamerelina wanawana		Pacific Ocean		1979
Solariorbis multistriatus		Western Atlantic	0.5 DL	1884
Stosicia aberrans		Western Atlantic.	0.6 NG	1850
Stosicia annulata		Western Indian Ocean.		1859
Stosicia bourguignati		Eastern Central Pacific		1869
Stosicia chiltoni		Pacific Ocean		1915
Stosicia houbricki		Western Central Atlantic	0.4 NG	1996
Stosicia manikiensis		Eastern Central Pacific		1996
Stosicia mirabilis		Western Central Pacific		1881
Stosicia polytropa		Southwest Pacific		1899
Talassia sandersoni		Western Atlantic.	0.4 DL	1884
Trophon abyssorum		Western Atlantic.	0.8 DL	1885
Trophon limicola		Western Atlantic.	1.1 DL	1885
Voorwindia tiberiana		Western Indian Ocean and		1869
Zebina bidentata		Pacific Ocean		1845
Zebina browniana	Smooth risso	Western Atlantic.	0.5 DL	1842
Zebina gabbii		Western Atlantic.	0.2 DL	1876
Zebina gigantea		Western Central Pacific		1850
Zebina laevigata		Western Central Atlantic	0.5 DL	1850
Zebina lis		Western Central Pacific		1918
Zebina malagazzae		Eastern Central Pacific		2002
Zebina pupiniformis		Eastern Central Pacific		1908
Zebina semiglabrata		Indo-Pacific.		1854
Zebina semiplicata		Eastern Central Pacific		1863
Zebina tridentata		Indo-Pacific		1830
Zebina unamae		Western Atlantic.	0.2 DL	1998
Zebina vitrea	Glassy rissoa	Western Atlantic.	0.8 DL	1850
Zebina vitrinella		Western Atlantic.	0.5 DL	1876

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Species Identification: Find Species

Family: Rissoidae (See list of species below)

Family: Rissoidae

(See list of species below)