Ferrissia genus of small, air-breathing freshwater limpets, aquatic gastropod mollusks in the family Planorbidae , the ram's horn snails and their allies.
Species within the genus Ferrissia include:
Ferrissia baconi (Bourguignat, 1853)Ferrissia beaui (Bourguignat, 1853) - Beau's Stream LimpetFerrissia burnupi (Walker , 1912)Ferrissia cawstoni Walker, 1924Ferrissia ceylanica Benson, 1864Ferrissia chudeaui Germain, 1917Ferrissia clifdeni Connolly, 1939Ferrissia connollyi (Walker, 1912)† Ferrissia crenellata Harzhauser & Neubauer in Harzhauser et al., 2012 † Ferrissia deperdita (Desmarest, 1814) † Ferrissia dimici (Brusina, 1902) Ferrissia dohrnianus (Clessin, 1882)Ferrissia eburnensis Binder, 1957Ferrissia farquhari (Walker, 1924)Ferrissia fontinalis (Walker, 1912)Ferrissia fragilis (Tryon, 1863) - synonyms: Ferrissia clessiniana (Jickeli, 1882), Ferrissia wautieri (Mirolli, 1960) - Fragile AncylidFerrissia gentilis Lanzer, 1991† Ferrissia illyrica (Neumayr, 1880) Ferrissia irrorata (Guilding, 1828)Ferrissia isseli (Bourguignat, 1866)Ferrissia junodi Connolly, 1925Ferrissia kavirondica (Mandahl-Barth, 1954)Ferrissia lacustris Walker, 1924Ferrissia leonensis Connolly, 1928Ferrissia lhotelleriei Walker, 1914 - dubious speciesFerrissia mcneili Walker, 1925 - hood ancylid Ferrissia modesta Crosse, 1880Ferrissia natalensis Walker, 1924Ferrissia neozelanica (Suter, 1905)† Ferrissia neumayri (Fontannes, 1881) Ferrissia pallaryi Walker, 1914 - dubious speciesFerrissia parallela (Haldeman) - oblong ancylid or Ferrissia parallelus Ferrissia petterdi (Johnston, 1879)† Ferrissia pontileviensis (Morgan, 1920) Ferrissia siamensis Brandt, 1974Ferrissia rivularis (Say, 1817) - the type species Ferrissia tanganyicensis (Smith, 1906)Ferrissia tenuis (Bourguignat, 1862)Ferrissia toroensis (Mandahl-Barth, 1954)† Ferrissia truci Wautier, 1975 Ferrissia verruca (Benson, 1855)Ferrissia victoriensis (Walker, 1912)Ferrissia viola (Annandale & Prashad, 1921)Ferrissia walkeri (Pilsbry & Ferriss, 1907)† Ferrissia wittmanni (Schlickum, 1964) Ferrissia zambesiensis (Walker, 1912)Ferrissia zambiensis Mandahl-Barth, 1968Many specific names need revision, for example 11 species of Ferrissia in southern Africa.
Species brought into synonymy † Ferrissia senckenbergiana (Boettger, 1877): synonym of † Ferrissia deperdita (Desmarest, 1814) Ferrissia wautieri (Mirolli, 1960): synonym of Ferrissia fragilis (Tryon, 1836)
