Species within the genus
Retusa include: •
Retusa abyssicola Valdés, 2008 •
Retusa acrobeles (R. B. Watson, 1883) • †
Retusa acrochone (Cossmann & Pissarro, 1900) •
Retusa agulhasensis Thiele, 1925 •
Retusa amboynensis (R. B. Watson, 1883) •
Retusa amphizosta (Watson, 1886) •
Retusa avenaria (R. B. Watson, 1883) •
Retusa atkinsoni (Tenison-Woods, 1876) •
Retusa canariensis (Nordsieck & Talavera, 1979) •
Retusa carpenteri (Hanley, 1859) •
Retusa cecillii (Philippi, 1844) •
Retusa chrysoma Burn in Burn & Bell, 1974 •
Retusa chukchii Chaban, 2008 •
Retusa complanata (Watson, 1883) •
Retusa concentrica (A. Adams, 1850) •
Retusa crebrisculpta (Monterosato, 1884) •
Retusa crispula (Watson, 1883) •
Retusa crossei (Bucquoy, Dautzenberg & Dollfus, 1886) •
Retusa delicatula (A. Adams, 1862) •
Retusa desgenettii (Audouin, 1826) •
Retusa diaphana Valdés, 2008 •
Retusa elegantissima Habe, 1950 • †
Retusa ennucleata (Powell & Bartrum, 1929) •
Retusa famelica Watson, 1883 •
Retusa frielei (Dall, 1881) •
Retusa galapagana Dall, 1919 •
Retusa golikovi Chaban, 2004 •
Retusa insolita Valdés, 2008 •
Retusa instabilis Minichev, 1971 •
Retusa laevisculpta (Granata-Grillo, 1877) •
Retusa lata Chaban & Chernyshev, 2013 •
Retusa lenis Valdés, 2008 •
Retusa leptekes (R. B. Watson, 1883) •
Retusa leptoeneilema (Brusina, 1866) •
Retusa leuca (R. B. Watson, 1883) •
Retusa longispirata (Yamakawa, 1911) •
Retusa mammillata (Philippi, 1836) •
Retusa mariei (Dautzenberg, 1889) •
Retusa mayoi (Dall, 1889) •
Retusa minima Yamakawa, 1911 •
Retusa minutissima (Monterosato, 1878) •
Retusa montereyensis Smith & Gordon, 1948 •
Retusa natalensis Barnard, 1963 •
Retusa nicobarica Thiele, 1925 •
Retusa nitidula (Lovén, 1846) •
Retusa obtusa (Montagu, 1803) •
Retusa operculata Minichev, 1966 •
Retusa opima (Finlay, 1926) •
Retusa orientalis Thiele, 1925 •
Retusa oruaensis (Webster, 1908) •
Retusa orycta (R. B. Watson, 1883) • †
Retusa otahuhuensis (Laws, 1950) •
Retusa oviformis Thiele, 1925 •
Retusa ovoides (Milaschewitsch, 1916) •
Retusa ovulina Lin, 1991 •
Retusa parvula (Jeffreys, 1883) •
Retusa paziana Dall, 1919 •
Retusa pelyx Burn in Burn & Bell, 1974 •
Retusa perforata Thiele, 1925 •
Retusa pervia (Dall, 1889) •
Retusa pharetra Hedley, 1909 • †
Retusa pressa Marwick, 1928 •
Retusa protumida (Hedley, 1903) •
Retusa pseudoglobosa Nomura, 1939 •
Retusa pygmaea (A. Adams, 1850) •
Retusa sakuraii (Habe, 1958) •
Retusa sculpta (Gatliff & Gabriel, 1913) • †
Retusa segnis (Laws, 1940) •
Retusa siberutensis Thiele, 1925 • †
Retusa soror (Suter, 1917) •
Retusa sosa Ev. Marcus & Er. Marcus, 1969 •
Retusa spatha (R. B. Watson, 1883) •
Retusa striata (Hutton, 1873) •
Retusa succincta (A. Adams, 1862) •
Retusa sulcata (d'Orbigny, 1841) •
Retusa sulcata (Watson, 1883) is a secondary junior homonym of
Retusa sulcata (d'Orbigny, 1841). No replacement name has been proposed, but the systematics of these small cephalaspids is very confused, and both species may end up in different genera after a proper re-evaluation of their status. •
Retusa sumatrana Thiele, 1925 •
Retusa tarutana Smythe, 1979 •
Retusa tenerifensis (Nordsieck & Talavera, 1979) •
Retusa tornata (Watson, 1886) •
Retusa toyamaensis (Habe, 1955) •
Retusa trunca Valdés, 2008 •
Retusa truncatula (Bruguière, 1792) •
Retusa turrigera Melvill, 1910 •
Retusa umbilicata (Montagu, 1803) •
Retusa variabilis (Milaschewitsch, 1912) •
Retusa waughiana Hedley, 1899 •
Retusa xystrum Dall, 1919 ;Taxa inquirenda: •
Retusa bysma Melvill, 1904 •
Retusa candidula (Locard, 1892) (taxon inquirendum, name is based on a junior primary homonym.) •
Retusa ennurensis Preston, 1916 •
Retusa multiquadrata Oberling, 1970 (
taxon inquirendum; needs investigation) •
Retusa obesa (Locard, 1897) •
Retusa pusillina (Locard, 1897) •
Retusa robagliana (P. Fischer, 1869) (taxon inquirendum) •
Retusa semen (Reeve, 1855) (taxon inquirendum) ;Species brought into synonymy: •
Retusa alayoi (Espinosa & Ortea, 2004): synonym of
Colinatys alayoi (Espinosa & Ortea, 2004) •
Retusa anderssoni Strebel, 1908: synonym of
Diaphana anderssoni (Strebel, 1908) •
Retusa antarctica Melvill & Standen, 1912: synonym of
Diaphana paessleri (Strebel, 1905) •
Retusa apiculata (Tate, 1879): synonym of
Tornatina apiculata (Tate, 1879): synonym of
Acteocina apiculata (Tate, 1879) •
Retusa bizona (A. Adams, 1850): synonym of
Mnestia girardi (Audouin, 1826) •
Retusa caelata (Bush, 1885): synonym of
Pyrunculus caelatus (Bush, 1885) •
Retusa carinensis de Gregorio, 1889: synonym of
Retusa truncatula (Bruguière, 1792) •
Retusa cumberlandiana Strebel, 1908: synonym of
Cylichna cumberlandiana (Strebel, 1908) •
Retusa desgenettesi (Audouin, 1827): synonym of
Retusa desgenettii (Audouin, 1826) •
Retusa dilatata Pallary, 1904: synonym of
Retusa truncatula (Bruguière, 1792) •
Retusa domita (Dall, 1889): synonym of
Cylichnium domitum (Dall, 1908) •
Retusa eumicra (Crosse in Crosse & Fischer, 1865): synonym of
Tornatina eumicra (Crosse, 1865): synonym of
Acteocina eumicra (Crosse, 1865) •
Retusa fourierii (Audouin, 1826): synonym of
Pyrunculus fourierii (Audouin, 1826) •
Retusa frigida Hedley, 1916: synonym of
Diaphana paessleri (Strebel, 1905) •
Retusa gaimardi Finlay, 1927: synonym of
Acteocina decorata (Pilsbry, 1904) •
Retusa girardi (Audouin, 1826): synonym of
Ventomnestia girardi (Audouin, 1826) •
Retusa gordonis Yokoyama, 1927: synonym of
Acteocina gordonis (Yokoyama, 1927) •
Retusa inflata Strebel, 1908: synonym of
Diaphana inflata (Strebel, 1908) •
Retusa insignis (Pilsbry, 1904): synonym of
Decorifer insignis (Pilsbry, 1904) •
Retusa lactea (Jeffreys, 1877): synonym of
Diaphana lactea (Jeffreys, 1877) •
Retusa mariateresae Parenzan, 1970: synonym of
Bulla striata Bruguière, 1792 •
Retusa marshalli Sykes, 1904: synonym of
Diaphana marshalli (Sykes, 1904) •
Retusa matusimana Nomura, 1939: synonym of
Decorifer matusimanus (Nomura, 1939) •
Retusa obtusata: synonym of
Retusa obtusa (Montagu, 1803) •
Retusa pellucida (T. Brown, 1827): synonym of
Retusa truncatula (Bruguière, 1792) •
Retusa pertenuis (Mighels, 1843): synonym of
Retusa obtusa (Montagu, 1803) •
Retusa pfefferi Strebel, 1908: synonym of
Diaphana pfefferi (Strebel, 1908) •
Retusa piriformis Nordsieck, 1972: synonym of
Retusa truncatula (Bruguière, 1792) •
Retusa semen Thiele, 1925: synonym of
Pyrunculus pyriformis (A. Adams, 1850) •
Retusa semisulcata (Philippi, 1836): synonym of
Retusa truncatula (Bruguière, 1792) •
Retusa strigella (Lovén, 1846): synonym of
Cylichnina umbilicata (Montagu, 1803): synonym of
Retusa umbilicata (Montagu, 1803) •
Retusa subcylindrica (Brown, 1827): synonym of
Cylichnina umbilicata (Montagu, 1803): synonym of
Retusa umbilicata (Montagu, 1803) •
Retusa tohokuensis Nomura, 1939: synonym of
Acteocina tohokuensis (Nomura, 1939) •
Retusa truncatoides Nomura, 1939: synonym of
Acteocina truncatoides (Nomura, 1939) •
Retusa turrita Møller, 1842: synonym of
Retusa obtusa (Montagu, 1803) ==References==