Rissoa

{{Short description|Genus of gastropods}} {{For|the defunct plant genus ''Rissoa''|Atalantia}} {{Automatic taxobox |image = Rissoa janusi 001.jpg |image_caption = Shell of ''Rissoa janusi'' |taxon = Rissoa |authority = Freminville in Desmarest, 1814 |synonyms_ref = <ref name="WoRMS" /> |synonyms = * ''Apicularia'' Monterosato, 1884 * ''Elatiella'' Nordsieck, 1972 * ''Goniostoma'' Villa, 1841 * ''Gueriniana'' Nordsieck, 1972 * ''Lamarckia'' Leach, 1852 * ''Liavenustia'' Nordsieck, 1972 * ''Lilacinia'' Nordsieck, 1972 * ''Loxostoma'' Bivona-Bernardi, 1838 * ''Persephona'' Leach, 1852 * ''Rissoia'' Bronn, 1848 * ''Rissostomia'' G.O. Sars, 1878 * ''Sabanea'' Monterosato, 1884 * ''Schwartzia'' Bucquoy, Dautzenberg & Dollfus, 1884 * ''Sfaxiella'' Nordsieck, 1972 * ''Turboella'' Leach, 1847 * ''Zippora'' Leach, 1852 |type_species = ''Rissoa ventricosa'' |type_species_authority = Desmarest, 1814 |subdivision_ranks = Species |subdivision = See text }}

'''''Rissoa''''' is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.<ref name="WoRMS">{{WRMS species|138456|''Rissoa'' Freminville in Desmarest, 1814|||Gofas, S. (2010). Rissoa Freminville in Desmarest, 1814. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at <nowiki>http://www.marinespecies.org/aphia.php?p=taxdetails&id=138456</nowiki> on 16 June 2011}}</ref>

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".<ref name="Macgillivray" />

==Description== The soft body of the snail is elongated and spiral. The somewhat prolonged mouth has a proboscis. 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 with its apex nipple-shaped. The size of the shell varies between 1 mm and 8 mm. The whorls are generally convex-shaped with a distinct suture. The aperture 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.<ref name="Macgillivray">[https://archive.org/stream/histmolluscous00macgrich#page/146/mode/2up 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.<ref name="Macgillivray" />

==Species== Species within the genus ''Rissoa'' include: {{div col|colwidth=20em}} * ''Rissoa aartseni'' Verduin, 1985<ref>{{WRMS species|141343|''Rissoa aartseni'' Verduin, 1985||9 August 2010}}</ref> * ''Rissoa acerosa'' Seguenza, 1903 * ''Rissoa acutata'' Schauroth, 1857 † * ''Rissoa acuticosta'' (Sacco, 1895) † (Homonymy junior secondary homonym of R. acuticosta Von Koenen, 1892, which seems to be a true Rissoa) * ''Rissoa acuticosta'' Von Koenen, 1892 † * ''Rissoa adela'' d'Orbigny, 1852 † * ''Rissoa aethiopica'' Thiele, 1925 * ''Rissoa albugo'' Watson, 1873<ref>{{WRMS species|141344|''Rissoa albugo'' Watson, 1873||9 August 2010}}</ref> * † ''Rissoa alienocurta'' Lozouet, 1998 * ''Rissoa alleryi'' (Nordsieck, 1972)<ref>{{WRMS species|141345|''Rissoa alleryi'' (Nordsieck, 1972)||9 August 2010}}</ref> * ''Rissoa alpina'' Gümbel, 1861 † * ''Rissoa angusticostata'' Sandberger, 1860 † * ''Rissoa angustior'' (Monterosato, 1917)<ref>{{WRMS species|141346|''Rissoa angustior'' (Monterosato, 1917)||9 August 2010}}</ref> (taxon inquirendum) * ''Rissoa anomala'' Eichwald, 1830 † * ''Rissoa arata'' Philippi, 1849 * ''Rissoa athymorhyssa'' Dall, 1892 † * ''Rissoa auriculata'' Seguenza, 1903 * ''Rissoa auriformis'' Pallary, 1904<ref>{{WRMS species|141347|''Rissoa auriformis'' Pallary, 1904||9 August 2010}}</ref> * ''Rissoa auriscalpium'' (Linnaeus, 1758)<ref>{{WRMS species|141348|''Rissoa auriscalpium'' (Linnaeus, 1758)||9 August 2010}}</ref> * ''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'' 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'' 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<ref>{{WRMS species|141349|''Rissoa decorata'' Philippi, 1846||9 August 2010}}</ref> * ''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<ref>{{WRMS species|234201|''Rissoa euxinica'' Milaschevich, 1909||9 August 2010}}</ref> * ''Rissoa exigua'' Eichwald, 1830 † * ''Rissoa flexuosa'' Von Koenen, 1892 † * ''Rissoa fragilis'' (Lamarck, 1804) † * ''Rissoa fraterna'' Wiechmann, 1874 † * ''Rissoa frauenfeldiana'' Brusina, 1868<ref>{{WRMS species|141350|''Rissoa frauenfeldiana'' Brusina, 1868||9 August 2010}}</ref> * ''Rissoa gemmula'' Fischer P. in de Folin, 1869<ref>{{WRMS species|141351|''Rissoa gemmula'' Fischer P. in de Folin, 1869||9 August 2010}}</ref> * ''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)<ref>{{WRMS species|141352|''Rissoa gomerica'' (Nordsieck & Talavera, 1979)||9 August 2010}}</ref> * ''Rissoa gracilicosta'' Etheridge & Bell in Bell, 1893 † * ''Rissoa granulum'' Philippi, 1844 (taxon inquirendum) * ''Rissoa guerinii'' Récluz, 1843<ref>{{WRMS species|141353|''Rissoa guerinii'' Récluz, 1843||9 August 2010}}</ref> * ''Rissoa guernei'' Dautzenberg, 1889<ref>{{WRMS species|141354|''Rissoa guernei'' Dautzenberg, 1889||9 August 2010}}</ref> * ''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<ref>{{WRMS species|141355|''Rissoa italiensis'' Verduin, 1985||9 August 2010}}</ref> * ''Rissoa janusi'' (Nordsieck, 1972)<ref>{{WRMS species|141356|''Rissoa janusi'' (Nordsieck, 1972)||9 August 2010}}</ref> * ''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)<ref>{{WRMS species|141357|''Rissoa lia'' (Monterosato, 1884)||9 August 2010}}</ref> * ''Rissoa lilacina'' Récluz, 1843<ref>{{WRMS species|141358|''Rissoa lilacina'' Récluz, 1843||9 August 2010}}</ref> * ''Rissoa lipeus'' Dall, 1892 † * ''Rissoa lusoria'' Yokoyama, 1926 † * ''Rissoa macra'' R. B. Watson, 1886 * ''Rissoa maya'' Yokoyama, 1926 † * ''Rissoa membranacea'' (Adams J., 1800)<ref>{{WRMS species|141359|''Rissoa membranacea'' (Adams J., 1800)||9 August 2010}}</ref> * Rissoa microcharia Dall, 1892 † * ''Rissoa mirabilis'' Manzoni, 1868<ref>{{WRMS species|180959|''Rissoa mirabilis'' Manzoni, 1868||9 August 2010}}</ref> * ''Rissoa misera'' Deshayes, 1861 † * ''Rissoa mitreola'' Eichwald, 1853 † * ''Rissoa modesta'' (H. C. Lea, 1845) * ''Rissoa monodonta'' Philippi, 1836<ref>{{WRMS species|141360|''Rissoa monodonta'' Philippi, 1836||9 August 2010}}</ref> * ''Rissoa moreana'' Buvignier, 1852 † * ''Rissoa mosensis'' Buvignier, 1852 † * ''Rissoa mucronata'' Svagrovský, 1971 † * ''Rissoa multicincta'' (Smriglio & Mariottini, 1995)<ref>{{WRMS species|141361|''Rissoa multicincta'' (Smriglio & Mariottini, 1995)||9 August 2010}}</ref> * ''Rissoa multicostata'' (Nordsieck & Talavera, 1979)<ref>{{WRMS species|141362|''Rissoa multicostata'' (Nordsieck & Talavera, 1979)||9 August 2010}}</ref> * ''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<ref>{{WRMS species|141363|''Rissoa panhormensis'' Verduin, 1985||9 August 2010}}</ref> * ''Rissoa papuana'' Tapparone Canefri, 1877 * ''Rissoa paradoxa'' (Monterosato, 1884)<ref>{{WRMS species|141364|''Rissoa paradoxa'' (Monterosato, 1884)||9 August 2010}}</ref> * ''Rissoa parva'' (da Costa, 1778)<ref>{{WRMS species|141365|''Rissoa parva'' (da Costa, 1778)||9 August 2010}}</ref> * ''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'' 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)<ref>{{WRMS species|141366|''Rissoa pseudoguerini'' (Nordsieck & Talavera, 1979)||9 August 2010}}</ref> * ''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<ref>{{WRMS species|141367|''Rissoa rodhensis'' Verduin, 1985||9 August 2010}}</ref> * ''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)<ref>{{WRMS species|141368|''Rissoa scurra'' (Monterosato, 1917)||9 August 2010}}</ref> * ''Rissoa scutula'' 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<ref>{{WRMS species|141369|''Rissoa similis'' Scacchi, 1836||9 August 2010}}</ref> * ''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<ref>{{WRMS species|141370|''Rissoa splendida'' Eichwald, 1830||9 August 2010}}</ref> * ''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'' W. H. Turton, 1933 * ''Rissoa torquata'' Landau, Ceulemans & Van Dingenen, 2018 † * ''Rissoa torquilla'' Pallary, 1912<ref>{{WRMS species|141371|''Rissoa torquilla'' Pallary, 1912||9 August 2010}}</ref> * ''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) <ref>{{WRMS species|141372|''Rissoa variabilis'' (Von Mühlfeldt, 1824)||9 August 2010}}</ref> * ''Rissoa velata'' Zekeli, 1852 † * ''Rissoa ventricosa'' Desmarest, 1814<ref>{{WRMS species|141373|''Rissoa ventricosa'' Desmarest, 1814||9 August 2010}}</ref> * ''Rissoa venus'' d'Orbigny, 1852 † * ''Rissoa venusta'' Philippi, 1844 * ''Rissoa verdensis'' Rolán & Oliveira, 2008<ref>{{WRMS species|458213|''Rissoa verdensis'' Rolán & Oliveira, 2008||9 August 2010}}</ref> * ''Rissoa vicina'' Milaschevich, 1909<ref>{{WRMS species|234202|''Rissoa vicina'' Milaschevich, 1909||9 August 2010}}</ref> * ''Rissoa violacea'' Desmarest, 1814<ref>{{WRMS species|141374|''Rissoa violacea'' Desmarest, 1814||9 August 2010}}</ref> * ''Rissoa virdunensis'' Buvignier, 1852 † * ''Rissoa winkleri'' Müller, 1851 † * ''Rissoa ziga'' De Gregorio, 1890 † * ''Rissoa zosta'' Bayan, 1873 † {{div col end}}

==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 albida'' C. B. Adams, 1845: synonym of ''Zebinella albida'' (C. B. Adams, 1845) * ''Rissoa albolirata'' Carpenter, 1864: synonym of ''Lirobarleeia albolirata'' (Carpenter, 1864) * ''Rissoa alifera'' Thiele, 1925: synonym of ''Hoplopteron alifera'' (Thiele, 1925) * ''Rissoa alveata'' Melvill & Standen, 1901: synonym of ''Iravadia quadrasi'' (O. Boettger, 1893) * ''Rissoa atomus'' E. A. Smith, 1890 : synonym of ''Eatonina fulgida'' (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'' (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 corilea'' G. B. Sowerby II, 1876: synonym of ''Stosicia corilea'' (G. B. Sowerby II, 1876) * ''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'' (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 ''Iravadia quadrasi'' (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'' (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):<ref>{{WRMS species|154011|''Rissoa interrupta'' (J. Adams, 1800)||9 August 2010}}</ref> synonym of ''Rissoa parva'' (da Costa, 1778) * ''Rissoa janmayeni'' Friele, 1878: synonym of ''Frigidoalvania janmayeni'' (Friele, 1878) * ''Rissoa kelseyi'' Dall & Bartsch, 1902: synonym of ''Lirobarleeia kelseyi'' (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'' (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'' (Carpenter, 1857) * ''Rissoa marionensis'' Watson, 1886: synonym of ''Eatoniella subrufescens'' (E.A. Smith, 1875) * ''Rissoa miliaris'' Thiele, 1912: synonym of ''Skenella sinapi'' (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):<ref>{{WRMS species|153669|''Rissoa porifera'' (Lovén, 1843)||9 August 2010}}</ref> 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'' (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:<ref>{{WRMS species|154041|''Rissoa rufilabrum'' Alder||9 August 2010}}</ref> synonym of ''Rissoa lilacina'' Récluz, 1843 * ''Rissoa sarsii'' Lovén, 1846:<ref>{{WRMS species|153738|''Rissoa sarsii'' Lovén, 1846||9 August 2010}}</ref> 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 ''Diala semistriata'' (Philippi, 1849) * ''Rissoa sinapi'' Watson, 1886: synonym of ''Skenella sinapi'' (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 ''Ceratia proxima'' (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'' (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 ''Iravadia quadrasi'' (O. Boettger, 1893) * ''Rissoa vitrea'' C. B. Adams, 1850: synonym of ''Zebina vitrea'' (C. B. Adams, 1850) * ''Rissoa xanthias'' Watson, 1886: synonym of ''Benthonellania xanthias'' (Watson, 1886) * ''Rissoa xanthias'' var. ''acuticostata'' Dall, 1889: synonym of ''Benthonellania acuticostata'' (Dall, 1889)

==References== {{Reflist}} * 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). {{ISBN|0-915826-22-4}}. 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== * [https://biodiversitylibrary.org/page/4121250 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.] * [https://www.biodiversitylibrary.org/page/1310707 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] * [https://www.biodiversitylibrary.org/item/109711 Monterosato, T. A. di. (1884). Nomenclatura generica e specifica di alcune conchiglie mediterranee. Virzi, printed for the author, Palermo, 152 pp] * [https://www.biodiversitylibrary.org/item/103592 Bucquoy E., Dautzenberg P. & Dollfus G. (1882-1886). Les mollusques marins du Roussillon. Tome Ier. Gastropodes. Paris: Baillière & fils. 570 pp., 66 pls.] * [http://australianmuseum.net.au/journal/Ponder-1985-Rec-Aust-Mus-Suppl-4-1221/ Ponder W. F. (1985). A review of the Genera of the Rissoidae (Mollusca: Mesogastropoda: Rissoacea). Records of the Australian Museum supplement 4: 1-221]

Category:Rissoa Category:Gastropod genera

Rissoa

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