Rissoa

Rissoa is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.[1]

Rissoa
Shell of Rissoa janusi
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Order: Littorinimorpha
Family: Rissoidae
Genus: Rissoa
Freminville in Desmarest, 1814
Type species
Rissoa ventricosa
Desmarest, 1814
Species

See text

Synonyms[1]
  • 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

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".[2]

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.[2]

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.[2]

Species

Species within the genus Rissoa include:

Species brought into synonymy
  • 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 (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 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):[42] 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 paucilirata Melvill & Standen, 1912: synonym of Onoba paucilirata (Melvill & Standen, 1912)
  • Rissoa pelseneeri Thiele, 1912: synonym of Powellisetia pelseneeri (Thiele, 1912)
  • 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 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)
gollark: Technically possible but it would look weird.
gollark: That's absolutely not how it would work, and it would be harder to use because of stuff obscuring stuff behind it.
gollark: It can also do 3-dimensional diagonals.
gollark: You can use the "rotate view" button, or just watch for that.
gollark: It's probably doing 3D stacky things.

References
  1. 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 http://www.marinespecies.org/aphia.php?p=taxdetails&id=138456 on 16 June 2011 .
  2. Macgillivray, William, History of the molluscous animals of Scotland, London, 1844
  3. Rissoa aartseni Verduin, 1985. Retrieved through: World Register of Marine Species on 9 August 2010.
  4. Rissoa albugo Watson, 1873. Retrieved through: World Register of Marine Species on 9 August 2010.
  5. Rissoa alleryi (Nordsieck, 1972). Retrieved through: World Register of Marine Species on 9 August 2010.
  6. Rissoa angustior (Monterosato, 1917). Retrieved through: World Register of Marine Species on 9 August 2010.
  7. Rissoa auriformis Pallary, 1904. Retrieved through: World Register of Marine Species on 9 August 2010.
  8. Rissoa auriscalpium (Linnaeus, 1758). Retrieved through: World Register of Marine Species on 9 August 2010.
  9. Rissoa decorata Philippi, 1846. Retrieved through: World Register of Marine Species on 9 August 2010.
  10. Rissoa euxinica Milaschevich, 1909. Retrieved through: World Register of Marine Species on 9 August 2010.
  11. Rissoa frauenfeldiana Brusina, 1868. Retrieved through: World Register of Marine Species on 9 August 2010.
  12. Rissoa gemmula Fischer P. in de Folin, 1869. Retrieved through: World Register of Marine Species on 9 August 2010.
  13. Rissoa gomerica (Nordsieck & Talavera, 1979). Retrieved through: World Register of Marine Species on 9 August 2010.
  14. Rissoa guerinii Récluz, 1843. Retrieved through: World Register of Marine Species on 9 August 2010.
  15. Rissoa guernei Dautzenberg, 1889. Retrieved through: World Register of Marine Species on 9 August 2010.
  16. Rissoa italiensis Verduin, 1985. Retrieved through: World Register of Marine Species on 9 August 2010.
  17. Rissoa janusi (Nordsieck, 1972). Retrieved through: World Register of Marine Species on 9 August 2010.
  18. Rissoa lia (Monterosato, 1884). Retrieved through: World Register of Marine Species on 9 August 2010.
  19. Rissoa lilacina Récluz, 1843. Retrieved through: World Register of Marine Species on 9 August 2010.
  20. Rissoa membranacea (Adams J., 1800). Retrieved through: World Register of Marine Species on 9 August 2010.
  21. Rissoa mirabilis Manzoni, 1868. Retrieved through: World Register of Marine Species on 9 August 2010.
  22. Rissoa monodonta Philippi, 1836. Retrieved through: World Register of Marine Species on 9 August 2010.
  23. Rissoa multicincta (Smriglio & Mariottini, 1995). Retrieved through: World Register of Marine Species on 9 August 2010.
  24. Rissoa multicostata (Nordsieck & Talavera, 1979). Retrieved through: World Register of Marine Species on 9 August 2010.
  25. Rissoa panhormensis Verduin, 1985. Retrieved through: World Register of Marine Species on 9 August 2010.
  26. Rissoa paradoxa (Monterosato, 1884). Retrieved through: World Register of Marine Species on 9 August 2010.
  27. Rissoa parva (da Costa, 1778). Retrieved through: World Register of Marine Species on 9 August 2010.
  28. Rissoa porifera (Lovén, 1843). Retrieved through: World Register of Marine Species on 9 August 2010.
  29. Rissoa pseudoguerini (Nordsieck & Talavera, 1979). Retrieved through: World Register of Marine Species on 9 August 2010.
  30. Rissoa rodhensis Verduin, 1985. Retrieved through: World Register of Marine Species on 9 August 2010.
  31. Rissoa rufilabrum Alder. Retrieved through: World Register of Marine Species on 9 August 2010.
  32. Rissoa sarsii Lovén, 1846. Retrieved through: World Register of Marine Species on 9 August 2010.
  33. Rissoa scurra (Monterosato, 1917). Retrieved through: World Register of Marine Species on 9 August 2010.
  34. Rissoa similis Scacchi, 1836. Retrieved through: World Register of Marine Species on 9 August 2010.
  35. Rissoa splendida Eichwald, 1830. Retrieved through: World Register of Marine Species on 9 August 2010.
  36. Rissoa torquilla Pallary, 1912. Retrieved through: World Register of Marine Species on 9 August 2010.
  37. Rissoa variabilis (Von Mühlfeldt, 1824). Retrieved through: World Register of Marine Species on 9 August 2010.
  38. Rissoa ventricosa Desmarest, 1814. Retrieved through: World Register of Marine Species on 9 August 2010.
  39. Rissoa verdensis Rolán & Oliveira, 2008. Retrieved through: World Register of Marine Species on 9 August 2010.
  40. Rissoa vicina Milaschevich, 1909. Retrieved through: World Register of Marine Species on 9 August 2010.
  41. Rissoa violacea Desmarest, 1814. Retrieved through: World Register of Marine Species on 9 August 2010.
  42. Rissoa interrupta (J. Adams, 1800). Retrieved through: World Register of Marine Species on 9 August 2010.
  • 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
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