''Rissoa'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of minute

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

s or

micromollusk A micromollusk is a shelled mollusk which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine mollusks, although in addition, numerous species of land snails and freshwater mollusks also ...

s in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

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 Littorinimorpha is a large order of snails, gastropods, consisting pr ...

. 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 in the "New Bulletin of the Philomatic Society".

Description

The soft body of the snail is elongated and spiral. The somewhat prolonged mouth has a

proboscis A proboscis () is an elongated appendage from the head of an animal, either a vertebrate or an invertebrate. In invertebrates, the term usually refers to tubular mouthparts used for feeding and sucking. In vertebrates, a proboscis is an elong ...

. The tentacles are awl-shaped with the eyes on a small prominence near the base. The foot is oval or elliptical. The species is phytophagous. The conical shell has an elongated

spire A spire is a tall, slender, pointed structure on top of a roof of a building or tower, especially at the summit of church steeples. A spire may have a square, circular, or polygonal plan, with a roughly conical or pyramidal shape. Spires are ...

with its apex nipple-shaped. The size of the shell varies between 1 mm and 8 mm. The

whorls A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). Whorls in nature File:Photograph and axial plane floral d ...

are generally convex-shaped with a distinct suture. The

aperture In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane. An opt ...

is ovate, roundish or pear-shaped with its anterior end rounded, the posterior end acute and with the peristome complete. The thin and horny operculum is spirally marked and equally ovate, roundish or pear-shaped. Macgillivray, William, History of the molluscous animals of Scotland, London, 1844
/ref>

Habitat

This species can be found on brown algae (genus '' Fucus''), in clefts of rocks, on stones, on mud or sand. Most will be found on sandy beaches along the line of the last tide.

Species

Species within the genus ''Rissoa'' include: * '' Rissoa aartseni'' Verduin, 1985 * ''

Rissoa acerosa ''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 ...

'' Seguenza, 1903 * ''

Rissoa acutata ''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 ...

'' Schauroth, 1857 † * ''

Rissoa acuticosta ''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 ...

'' (Sacco, 1895) † (

Homonymy In linguistics, homonyms are words which are homographs (words that share the same spelling, regardless of pronunciation), or homophones (equivocal words, that share the same pronunciation, regardless of spelling), or both. Using this definition, ...

junior secondary homonym of R. acuticosta Von Koenen, 1892, which seems to be a true Rissoa) * ''

'' Von Koenen, 1892 † * ''

Rissoa adela ''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 ...

'' d'Orbigny, 1852 † * ''

Rissoa aethiopica ''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 ...

'' Thiele, 1925 * ''

Rissoa albugo ''Rissoa albugo'' is a species of minute sea snail, a marine gastropod mollusc or micromollusc in the family Rissoidae Rissoidae is a large family of very small and minute sea snails with an operculum, marine gastropod mollusks in the supe ...

'' Watson, 1873 * † ''

Rissoa alienocurta ''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 naturalis ...

'' Lozouet, 1998 * ''

Rissoa alleryi ''Rissoa alleryi'' is a species of minute sea snail, a marine gastropod mollusc or micromollusc in the family Rissoidae Rissoidae is a large family of very small and minute sea snails with an operculum, marine gastropod mollusks in the sup ...

'' (Nordsieck, 1972) * ''

Rissoa alpina ''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 naturalis ...

'' Gümbel, 1861 † * ''

Rissoa angusticostata ''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 naturalis ...

'' Sandberger, 1860 † * ''

Rissoa angustior ''Rissoa angustior'' is a species of minute sea snail, a marine gastropod mollusc or micromollusc in the family Rissoidae Rissoidae is a large family of very small and minute sea snails with an operculum, marine gastropod mollusks in the ...

'' (Monterosato, 1917) (taxon inquirendum) * '' Rissoa anomala'' Eichwald, 1830 † * '' Rissoa arata'' Philippi, 1849 * '' Rissoa athymorhyssa'' Dall, 1892 † * '' Rissoa auriculata'' Seguenza, 1903 * '' Rissoa auriformis'' Pallary, 1904 * '' Rissoa auriscalpium'' (Linnaeus, 1758) * '' Rissoa australis'' G. B. Sowerby II, 1877 * '' Rissoa baldacconii'' Cantraine, 1842 † * '' Rissoa balliae'' W. Thompson, 1840 * '' Rissoa banatica'' Jekelius, 1944 † * '' Rissoa basisulcata'' Etheridge & Bell in Bell, 1898 † * ''

Rissoa becki ''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 o ...

'' W. H. Turton, 1933 * '' Rissoa bissulca'' Buvignier, 1843 † * '' Rissoa boytonensis'' Harmer, 1925 † * '' Rissoa buccinalis'' (Lamarck, 1804) † * '' Rissoa callistrophia'' Dall, 1892 † * '' Rissoa candidata'' W. H. Turton, 1932 * '' Rissoa certa'' Svagrovský, 1971 † * '' Rissoa clotho'' Hörnes, 1856 † * '' Rissoa conica'' L. Périer, 1867 * '' Rissoa conuloidea'' Etheridge & Bell in Bell, 1893 † * ''

Rissoa cooperi ''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 o ...

'' Tryon, 1865 * '' Rissoa costeiensis'' Kowalke & Harzhauser, 2004 † * '' Rissoa costellata'' Grateloup, 1838 † * '' Rissoa crefeldensis'' Wiechmann, 1874 † * '' Rissoa crux'' Eichwald, 1853 † * '' Rissoa cureti'' Cossmann, 1918 † * '' Rissoa curta'' Dall, 1927: (taxon inquirendum, non Dujardin, 1837) * '' Rissoa curticostata'' S. V. Wood, 1848 † * '' Rissoa cylindrella'' Odhner, 1924 * '' Rissoa decipiens'' Deshayes, 1861 † * '' Rissoa decorata'' Philippi, 1846 * '' Rissoa decorticata'' Landau, Ceulemans & Van Dingenen, 2018 † * '' Rissoa degrangei'' (Cossmann & Peyrot, 1919) † * '' Rissoa densecosta'' Etheridge & Bell in Bell, 1893 † * '' Rissoa dilemma'' O. Boettger, 1907 † * '' Rissoa dissimilis'' Harmer, 1920 † * '' Rissoa dobrogica'' Necrasov, 1936 * '' Rissoa duboisii'' Nyst, 1845 † * '' Rissoa dupiniana'' d'Orbigny, 1842 † * '' Rissoa electrae'' Manousis, 2019 * '' Rissoa elegantula'' Piette, 1857 † * '' Rissoa epulata'' Pilsbry & C. W. Johnson, 1917 † * Rissoa eurydictium Cossmann, 1888 † * '' Rissoa euxinica'' Milaschevich, 1909 * '' Rissoa exigua'' Eichwald, 1830 † * '' Rissoa flexuosa'' Von Koenen, 1892 † * '' Rissoa fragilis'' (Lamarck, 1804) † * '' Rissoa fraterna'' Wiechmann, 1874 † * '' Rissoa frauenfeldiana'' Brusina, 1868 * '' Rissoa gemmula'' Fischer P. in de Folin, 1869 * '' Rissoa geraea'' Dall, 1892 † * '' Rissoa gibsoni'' T. Brown, 1841 † * '' Rissoa glabrata'' G. B. Sowerby II, 1859 * '' Rissoa goepperti'' Schauroth, 1857 † * '' Rissoa gomerica'' (Nordsieck & Talavera, 1979) * '' Rissoa gracilicosta'' Etheridge & Bell in Bell, 1893 † * '' Rissoa granulum'' Philippi, 1844 (taxon inquirendum) * '' Rissoa guerinii'' Récluz, 1843 * '' Rissoa guernei'' Dautzenberg, 1889 * '' Rissoa harmeri'' Faber, 2018 † * '' Rissoa hebes'' O. Boettger, 1907 † * '' Rissoa hidasensis'' Csepreghy-Meznerics, 1950 † * '' Rissoa houdasi'' Cossmann, 1907 * '' Rissoa ilca'' Thiele, 1925 * '' Rissoa inchoata'' Deshayes, 1861 † * '' Rissoa incompta'' A. A. Gould, 1862 * '' Rissoa incrassata'' J. Müller, 1851 † * '' Rissoa inflexicosta'' (Cossmann, 1921) † * '' Rissoa infrastriolata'' Thiele, 1925 * '' Rissoa innocens'' W. H. Turton, 1932 * '' Rissoa intermedia'' Grateloup, 1838 † * '' Rissoa intusstriata'' Etheridge & Bell in Bell, 1893 † * '' Rissoa irritans'' Thiele, 1925 * '' Rissoa italiensis'' Verduin, 1985 * '' Rissoa janusi'' (Nordsieck, 1972) * '' Rissoa jurensis'' Etallon, 1862 † * '' Rissoa karsteni'' R. Janssen, 1978 † * '' Rissoa latior'' (Mighels & C. B. Adams, 1844) * '' Rissoa leighi'' T. Brown, 1841 † * '' Rissoa lia'' (Monterosato, 1884) * '' Rissoa lilacina'' Récluz, 1843 * '' Rissoa lipeus'' Dall, 1892 † * '' Rissoa lusoria'' Yokoyama, 1926 † * '' Rissoa macra'' R. B. Watson, 1886 * '' Rissoa maya'' Yokoyama, 1926 † * '' Rissoa membranacea'' (Adams J., 1800) * Rissoa microcharia Dall, 1892 † * '' Rissoa mirabilis'' Manzoni, 1868 * '' Rissoa misera'' Deshayes, 1861 † * '' Rissoa mitreola'' Eichwald, 1853 † * '' Rissoa modesta'' (H. C. Lea, 1845) * '' Rissoa monodonta'' Philippi, 1836 * '' Rissoa moreana'' Buvignier, 1852 † * '' Rissoa mosensis'' Buvignier, 1852 † * '' Rissoa mucronata'' Svagrovský, 1971 † * '' Rissoa multicincta'' (Smriglio & Mariottini, 1995) * '' Rissoa multicostata'' (Nordsieck & Talavera, 1979) * '' Rissoa munieri'' Szöts, 1953 † * '' Rissoa nina'' Nordsieck, 1972 (nomen dubium) * '' Rissoa obeliscoides'' Landau, Ceulemans & Van Dingenen, 2018 † * '' Rissoa obeliscus'' May, 1915 * '' Rissoa obtusa'' T. Brown, 1841 † * '' Rissoa olangoensis'' Poppe, Tagaro & Stahlschmidt, 2015 * '' Rissoa oldhamiana'' Stoliczka, 1867 † * '' Rissoa ovulum'' Philippi, 1844 † * '' Rissoa pachia'' R. B. Watson, 1886 * '' Rissoa panhormensis'' Verduin, 1985 * '' Rissoa papuana'' Tapparone Canefri, 1877 * '' Rissoa paradoxa'' (Monterosato, 1884) * '' Rissoa parva'' (da Costa, 1778) * '' Rissoa patens'' A. A. Gould, 1862 * '' Rissoa paupera'' Thiele, 1925 * '' Rissoa peregra'' Thiele, 1925 * '' Rissoa perforata'' Thiele, 1925 * '' Rissoa perspecta'' E. A. Smith, 1904 * '' Rissoa phagon'' J. A. Gardner, 1947 † * '' Rissoa plagiostoma'' Thiele, 1925 * ''

Rissoa plica ''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 o ...

'' Can, 18444traine, 1842 * '' Rissoa pompholyx'' Dall, 1927 * '' Rissoa poustagnacensis'' Lozouet, 1998 † * '' Rissoa pouweri'' Van Dingenen, Ceulemans & Landau, 2016 † * '' Rissoa proditoris'' Thiele, 1925 * '' Rissoa pseudoguerini'' (Nordsieck & Talavera, 1979) * '' Rissoa pseudoturricula'' Strausz, 1966 † * '' Rissoa pucilla'' T. Brown, 1841 † * '' Rissoa punctatissima'' R. Janssen, 1978 † * '' Rissoa punctum'' Cantraine, 1842 * '' Rissoa quantilla'' W. H. Turton, 1932 * '' Rissoa quarantellii'' Brunetti & Vecchi, 2005 † * '' Rissoa reussi'' Geinitz, 1875 † * '' Rissoa rimata'' Philippi, 1844 † * '' Rissoa robusta'' (H. C. Lea, 1845) * '' Rissoa rodhensis'' Verduin, 1985 * '' Rissoa rufa'' Philippi, 1849 * '' Rissoa rufanensis'' W. H. Turton, 1933 * '' Rissoa rugosa'' Svagrovský, 1971 † * '' Rissoa rustica'' R. B. Watson, 1886 * '' Rissoa sadoensis'' Yokoyama, 1926 † * '' Rissoa sandbergeri'' J. Müller, 1851 † * '' Rissoa sarae'' Brunetti, Cresti & Forli, 2017 † * '' Rissoa scurra'' (Monterosato, 1917) * ''

Rissoa scutula ''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 o ...

'' Bell, 1892 † * '' Rissoa searlesii'' Harmer, 1925 † * '' Rissoa seguenzorum'' Bertolaso & Palazzi, 2000 † * '' Rissoa selseyensis'' Harmer, 1925 † * '' Rissoa semicarinata'' de Folin, 1870 * '' Rissoa semilaevis'' Von Koenen, 1892 † * '' Rissoa senecta'' S. V. Wood, 1872 † * '' Rissoa siberutensis'' Thiele, 1925 * '' Rissoa similis'' Scacchi, 1836 * '' Rissoa sismondiana'' Issel, 1869 * '' Rissoa sobieskii'' Friedberg, 1923 † * '' Rissoa soceni'' Jekelius, 1944 † * '' Rissoa solidula'' Philippi, 1849 * '' Rissoa sordida'' W. H. Turton, 1932 * '' Rissoa sowerbyi'' W. H. Turton, 1932 * '' Rissoa spinosa'' Seguenza † * '' Rissoa splendida'' Eichwald, 1830 * '' Rissoa striatula'' Eichwald, 1830 † * '' Rissoa strombecki'' Schauroth, 1857 † * '' Rissoa subcarinta'' Cantraine, 1842 † * '' Rissoa subclathrata'' Buvignier, 1852 † * '' Rissoa sublachesis'' Zhizhchenko, 1936 † * '' Rissoa submarginata'' d'Orbigny, 1850 † * '' Rissoa subperforata'' Jeffreys, 1884 † * '' Rissoa sulcifera'' G. B. Sowerby II, 1876 * '' Rissoa sumatrana'' Thiele, 1925 * '' Rissoa sundaica'' Thiele, 1925 * '' Rissoa suttonensis'' Harmer, 1925 † * '' Rissoa tenuilineata'' (Cossmann, 1921) † * '' Rissoa terebellum'' Philippi, 1844 † * '' Rissoa terebralis'' Grateloup, 1838 † * '' Rissoa teres'' W. H. Turton, 1932 * '' Rissoa texta'' Borchert, 1901 * '' Rissoa tirolensis'' Koken in Wöhrmann & Koken, 1892 † * ''

Rissoa tomlini ''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 o ...

'' W. H. Turton, 1933 * '' Rissoa torquata'' Landau, Ceulemans & Van Dingenen, 2018 † * '' Rissoa torquilla'' Pallary, 1912 * '' Rissoa trabeata'' Weisbord, 1962 † * '' Rissoa triasina'' Schauroth, 1857 † * '' Rissoa tristriata'' W. Thompson, 1840 * '' Rissoa tritonia'' W. H. Turton, 1932 * '' Rissoa tropica'' Stoliczka, 1868 † * '' Rissoa turbinata'' (Lamarck, 1804) † * '' Rissoa turbinopsis'' Deshayes, 1861 † * '' Rissoa turricula'' Eichwald, 1830 † * '' Rissoa umbilicata'' Philippi, 1851 * '' Rissoa undulata'' Deshayes, 1861 † * '' Rissoa unisulca'' Buvignier, 1843 † * '' Rissoa valfini'' Guirand & Ogérien, 1865 † * '' Rissoa variabilis'' (Von Mühlfeldt, 1824) * '' Rissoa velata'' Zekeli, 1852 † * '' Rissoa ventricosa'' Desmarest, 1814 * '' Rissoa venus'' d'Orbigny, 1852 † * '' Rissoa venusta'' Philippi, 1844 * '' Rissoa verdensis'' Rolán & Oliveira, 2008 * '' Rissoa vicina'' Milaschevich, 1909 * '' Rissoa violacea'' Desmarest, 1814 * '' Rissoa virdunensis'' Buvignier, 1852 † * '' Rissoa winkleri'' Müller, 1851 † * '' Rissoa ziga'' De Gregorio, 1890 † * '' Rissoa zosta'' Bayan, 1873 †

Synonyms

* ''Rissoa adarensis'' E.A. Smith, 1902: synonym of '' Onoba kergueleni'' (E. A. Smith, 1875) * ''Rissoa albella'' Lovén, 1846: synonym of '' Pusillina sarsii'' (Lovén, 1846) * ''Rissoa albella'' Alder, 1844: synonym of '' Rissoella diaphana'' (Alder, 1848) * ''Rissoa albolirata'' Carpenter, 1864: synonym of ''

Lirobarleeia albolirata ''Lirobarleeia'' is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Barleeiidae. Species Species within the genus ''Lirobarleeia'' include: *'' Lirobarleeia albolirata'' (Carpenter, 1864) *'' Lirobarleeia b ...

'' (Carpenter, 1864) * ''Rissoa alifera'' Thiele, 1925: synonym of '' Hoplopteron alifera'' (Thiele, 1925) * ''Rissoa alveata'' Melvill & Standen, 1901: synonym of ''

Iravadia quadrasi ''Iravadia'' is a genus of very small, somewhat amphibious land snails that have a gill and an operculum, semi- terrestrial gastropod mollusks or micromollusk in the family Iravadiidae.Gofas, S. (2012). Iravadia Blanford, 1867. Accessed through ...

'' (O. Boettger, 1893) * ''Rissoa atomus'' E. A. Smith, 1890 : synonym of ''

Eatonina fulgida ''Eatonina fulgida'' is a species of minute sea snail, a marine gastropod mollusk in the family Cingulopsidae. Distribution Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, Nor ...

'' (Adams J., 1797) * ''Rissoa australis'' Watson, 1886: synonym of '' Powellisetia australis'' (Watson, 1886) * ''Rissoa basispiralis'' Grant-Mackie & Chapman-Smith, 1971 † a: synonym of ''

Diala semistriata ''Diala semistriata'' is a species of sea snail, a marine gastropod mollusk in the family (biology), family Dialidae. Description The shell size varies between 1.9 mm and 4.5 mm. Distribution This species is distributed in the Indian ...

'' (Philippi, 1849) * ''Rissoa boscii'' (Payraudeau, 1826): synonym of '' Melanella polita'' (Linnaeus, 1758) * ''Rissoa calathus'' Forbes & Hanley, 1850: synonym of '' Alvania beanii'' (Hanley in Thorpe, 1844) * ''Rissoa candidissima'' Webster, 1905 : synonym of '' Subonoba candidissima'' (Webster, 1905) * ''Rissoa carnosa'' Webster, 1905: synonym of '' Fictonoba carnosa'' (Webster, 1905) * ''Rissoa cazini'' Vélain, 1877: synonym of '' Pisinna cazini'' (Vélain, 1877) * ''Rissoa cerithinum'' Philippi, 1849: synonym of '' Cerithidium cerithinum'' (Philippi, 1849) * ''Rissoa columna'' Pelseneer, 1903: synonym of '' Onoba kergueleni'' (E. A. Smith, 1875) * ''Rissoa coronata'' Scacchi, 1844: synonym of '' Opalia hellenica'' (Forbes, 1844) * ''Rissoa costata'' (J. Adams, 1796): synonym of '' Manzonia crassa'' (Kanmacher, 1798) * ''Rissoa costulata'' Alder, 1844: synonym of ''Rissoa guerinii'' Récluz, 1843 * ''Rissoa crassicostata'' C. B. Adams, 1845: synonym of '' Opalia hotessieriana'' (d’Orbigny, 1842) * ''Rissoa deserta'' E.A. Smith, 1907: synonym of '' Powellisetia deserta'' (E.A. Smith, 1907) * ''Rissoa diaphana'' Alder, 1848: synonym of '' Rissoella diaphana'' (Alder, 1848) * ''Rissoa dolium'' Nyst, 1845: synonym of '' Pusillina philippi'' (Aradas & Maggiore, 1844) * ''Rissoa dubiosa'' C. B. Adams, 1850: synonym of '' Schwartziella dubiosa'' (C. B. Adams, 1850) * ''Rissoa edgariana'' Melvill & Standen, 1907: synonym of '' Rissoa parva'' (da Costa, 1778) * ''Rissoa edwardiensis'' Watson, 1886: synonym of '' Skenella edwardiensis'' (Watson, 1886) * ''Rissoa emarginata'' Hutton, 1885: synonym of ''

Nozeba emarginata ''Nozeba'' is a genus of very small, somewhat amphibious land snails that have a gill and an operculum, semi-terrestrial gastropod mollusks or micromollusk in the family Family (from la, familia) is a group of people related either by c ...

'' (Hutton, 1885) * ''Rissoa emblematica'' Hedley, 1906: synonym of '' Emblanda emblematica'' (Hedley, 1906) * ''Rissoa eulimoides'' (C.B. Adams, 1850): synonym of '' Melanella eulimoides'' (C. B. Adams, 1850) * ''Rissoa filostria'' Melvill & Standen, 1912: synonym of '' Onoba filostria'' (Melvill & Standen, 1912) * ''Rissoa finckhi'' Hedley, 1899: synonym of '' Chrystella finckhi'' (Hedley, 1899) * ''Rissoa garretti'' Tate, 1899: synonym of ''

'' (O. Boettger, 1893) * ''Rissoa georgiana'' Pfeffer, 1886: synonym of '' Onoba georgiana'' (Pfeffer, 1886) * ''Rissoa gracilis'' Pease, 1860: synonym of '' Pyramidelloides angustus'' (Hedley, 1898) * ''Rissoa griegi'' Friele, 1879: synonym of ''

Cingula griegi ''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'' (E. A. Smith, 1890) * '' Cingula agapeta'' (E. A. Smith, ...

'' (Friele, 1879) * ''Rissoa grisea'' Martens, 1885: synonym of '' Onoba grisea'' (Martens, 1885) * ''Rissoa inconspicua'' Alder, 1844: synonym of '' Pusillina inconspicua'' (Alder, 1844) * ''Rissoa inconspicua'' C. B. Adams, 1852: synonym of '' Alvania monserratensis'' Baker, Hanna & Strong, 1930 * ''Rissoa inflatella'' Thiele, 1912: synonym of '' Onoba inflatella'' (Thiele, 1912) * ''Rissoa infrequens'' C. B. Adams, 1852: synonym of '' Opalia infrequens'' (C. B. Adams, 1852) * ''Rissoa integella'' Hedley, 1904: synonym of '' Attenuata integella'' (Hedley, 1904) * ''Rissoa interrupta'' (J. Adams, 1800): synonym of '' Rissoa parva'' (da Costa, 1778) * ''Rissoa janmayeni'' Friele, 1878: synonym of ''

Frigidoalvania janmayeni ''Frigidoalvania janmayeni'' is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae Rissoidae is a large family of very small and minute sea snails with an operculum, marine gastropod mollusks ...

'' (Friele, 1878) * ''Rissoa kelseyi'' Dall & Bartsch, 1902: synonym of ''

Lirobarleeia kelseyi ''Lirobarleeia'' is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Barleeiidae. Species Species within the genus ''Lirobarleeia'' include: *'' Lirobarleeia albolirata'' (Carpenter, 1864) *'' Lirobarleeia b ...

'' (Dall & Bartsch, 1902) * ''Rissoa kergueleni'' E. A. Smith, 1875: synonym of '' Onoba kergueleni'' (E. A. Smith, 1875) * ''Rissoa labiosa'' ( Montagu, 1803): synonym of ''Rissoa membranacea'' (J. Adams, 1800) * ''Rissoa laevigata'' C. B. Adams, 1850: synonym of ''

Zebina browniana ''Zebina browniana'' is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Zebinidae. Distribution This species occurs in the Caribbean Sea, the Gulf of Mexico and the Lesser Antilles; in the Atlantic Ocean o ...

'' (d'Orbigny, 1842) * ''Rissoa lantzi'' Vélain, 1877: synonym of '' Onoba lantzi'' (Vélain, 1877) * ''Rissoa lineolata'' Michaud, 1830: synonym of '' Pusillina lineolata'' (Michaud, 1832) * ''Rissoa lirata'' Carpenter, 1857: synonym of ''

Lirobarleeia lirata ''Lirobarleeia'' is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Barleeiidae. Species Species within the genus ''Lirobarleeia'' include: *'' Lirobarleeia albolirata'' (Carpenter, 1864) *'' Lirobarleeia b ...

'' (Carpenter, 1857) * ''Rissoa marionensis'' Watson, 1886: synonym of '' Eatoniella subrufescens'' (E.A. Smith, 1875) * ''Rissoa miliaris'' Thiele, 1912: synonym of ''

Skenella sinapi ''Skenella'' is a genus of minute sea snails, marine gastropod mollusks in the family Cingulopsidae. Species Species within the genus ''Skenella'' include: * '' Skenella castanea'' (Laseron, 1950) * '' Skenella conica'' (Kay, 1979) * '' Sken ...

'' (Watson, 1886) * ''Rissoa observationis'' Thiele, 1912: synonym of '' Onoba kergueleni'' (E. A. Smith, 1875) * ''Rissoa ordinaria'' E. A. Smith, 1890: synonym of '' Eatoniella ordinaria'' (E. A. Smith, 1890) * ''Rissoa paucilirata'' Melvill & Standen, 1912: synonym of '' Onoba paucilirata'' (Melvill & Standen, 1912) * ''Rissoa pelseneeri'' Thiele, 1912: synonym of '' Powellisetia pelseneeri'' (Thiele, 1912) * ''Rissoa porifera'' (Lovén, 1843): synonym of '' Rissoa lilacina'' Récluz, 1843 * ''Rissoa principis'' Watson, 1886: synonym of '' Powellisetia principis'' (Watson, 1886) * ''Rissoa proxima'' Forbes & Hanley, 1850: synonym of ''

Ceratia proxima ''Ceratia'' is a genus of sea snails, marine gastropod mollusks the family Iravadiidae Iravadiidae is a family of minute sea snails, marine gastropod molluscs in the superfamily Truncatelloidea and the clade Littorinimorpha Littorinim ...

'' (Forbes & Hanley, 1850) * ''Rissoa punctatostriata'' Tenison Woods, 1879: synonym of '' Leucotina casta'' (A. Adams, 1853) * ''Rissoa punctulum'' Philippi, 1836: synonym of '' Pisinna glabrata'' (Von Mühlfeldt, 1824) * ''Rissoa rufilabris'' Alder, 1844: synonym of ''Rissoa lilacina'' Récluz, 1843 * ''Rissoa rufilabrum'' Alder, 1844: synonym of '' Rissoa lilacina'' Récluz, 1843 * ''Rissoa sarsii'' Lovén, 1846: synonym of '' Pusillina sarsii'' (Lovén, 1846) * ''Rissoa scalarella'' C. B. Adams, 1845: synonym of '' Schwartziella scalarella'' (C. B. Adams, 1845) * ''Rissoa scotiana'' Melvill & Standen, 1907: synonym of '' Onoba semicostata'' ( Montagu, 1803) * ''Rissoa semistriata'' Philippi, 1849: synonym of ''

'' (Philippi, 1849) * ''Rissoa sinapi'' Watson, 1886: synonym of ''

'' (Watson, 1886) * ''Rissoa sinuosa'' Scacchi, 1836: synonym of '' Melanella sinuosa'' (Scacchi, 1836) * ''Rissoa striata'' (J. Adams, 1797): synonym of '' Onoba semicostata'' ( Montagu, 1803) * ''Rissoa striatula'' Jeffreys, 1847: synonym of ''

'' (Forbes & Hanley, 1850) * ''Rissoa studeriana'' Thiele, 1912: synonym of '' Onoba steineni'' (Strebel, 1908) * ''Rissoa suavis'' Thiele, 1925: synonym of '' Onoba suavis'' (Thiele, 1925) * ''Rissoa subangulata'' C.B. Adams, 1850: synonym of ''

Schwartziella bryerea ''Schwartziella bryerea'' is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Zebinidae. Distribution This species occurs in the Caribbean Sea, the Gulf of Mexico and the Lesser Antilles and in the Atlant ...

'' ( Montagu, 1803) * ''Rissoa subantarctica'' Thiele, 1912: synonym of '' Onoba subantarctica'' (Thiele, 1912) * ''Rissoa subcostulata'' Schwartz, 1864: synonym of ''Rissoa guerinii'' Récluz, 1843 * ''Rissoa subtruncata'' Pelseneer, 1903: synonym of '' Powellisetia pelseneeri'' (Thiele, 1912) * ''Rissoa subtruncata'' Vélain, 1877: synonym of '' Scrobs subtruncata'' (Vélain, 1877) * ''Rissoa syngenes'' (A. E. Verril, 1884): synonym of '' Alvania syngenes'' (A. E. Verrill, 1884) * ''Rissoa transenna'' Watson, 1886: synonym of '' Onoba transenna'' (Watson, 1886) * ''Rissoa valdiviae'' Thiele, 1925: synonym of '' Onoba steineni'' (Strebel, 1908) * ''Rissoa venusta'' Garrett, 1873: synonym of ''

'' (O. Boettger, 1893) * ''Rissoa vitrea'' C. B. Adams, 1850: synonym of ''

Zebina vitrea ''Zebina'' is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Zebinidae. Species Species within the genus ''Zebina'' include: * ''Zebina acicula'' Laseron, 1956 * ''Zebina adamsiana'' (Weinkauff, 1881) * ...

'' (C. B. Adams, 1850) * ''Rissoa xanthias'' Watson, 1886: synonym of ''

Benthonellania xanthias ''Benthonellania xanthias'' is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae Rissoidae is a large family of very small and minute sea snails with an operculum, marine gastropod mollusks ...

'' (Watson, 1886) * ''Rissoa xanthias'' var. ''acuticostata'' Dall, 1889: synonym of ''

Benthonellania acuticostata ''Benthonellania acuticostata'' is a species of minute sea snail, a marine gastropod mollusc or micromollusc in the family Rissoidae. Distribution This species occurs in the Caribbean Sea, the Gulf of Mexico and the Lesser Antilles The Less ...

'' (Dall, 1889)

References

* Nordsieck, F. (1972). Die europäischen Meeresschnecken (Opisthobranchia mit Pyramidellidae; Rissoacea). Vom Eismeer bis Kapverden, Mittelmeer und Schwarzes Meer. Gustav Fischer, Stuttgart. XIII + 327 pp. * Vaught, K.C. (1989). ''A classification of the living Mollusca''. American Malacologists: Melbourne, FL (USA). . XII, 195 pp. * Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). ''European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification''. Collection Patrimoines Naturels, 50: pp. 180–213

External links

Desmarest A. G. (1814). Description des coquilles univalves du genre Rissoa de M. De Fréminville. Bulletin des Sciences, par la Société Philomatique de Paris. 1814: 7-9, pl. 1.

Leach W. E. (1852). Molluscorum Britanniae Synopsis. A synopsis of the Mollusca of Great Britain arranged according to their natural affinities and anatomical structure. London pp. VIII + 376

Monterosato, T. A. di. (1884). Nomenclatura generica e specifica di alcune conchiglie mediterranee. Virzi, printed for the author, Palermo, 152 pp

Bucquoy E., Dautzenberg P. & Dollfus G. (1882-1886). Les mollusques marins du Roussillon. Tome Ier. Gastropodes. Paris: Baillière & fils. 570 pp., 66 pls.

Ponder W. F. (1985). A review of the Genera of the Rissoidae (Mollusca: Mesogastropoda: Rissoacea). Records of the Australian Museum supplement 4: 1-221
{{Taxonbar, from=Q3169901 Rissoidae Gastropod genera