凹塔螺屬（學名：），又名囊螺屬或冰柱螺屬，是頭楯目凹塔螺科之下一個海洋生物的屬。

物種
根據WoRMS，本屬目前有約100個物種：

 Retusa abyssicola Valdés, 2008
 Retusa agulhasensis Thiele, 1925
 Retusa amphizosta (Watson, 1886)
 Retusa atkinsoni (Tenison-Woods, 1876)
 Retusa canariensis (Nordsieck & Talavera, 1979)
 Retusa candidula (Locard, 1892)
 Retusa chrysoma Burn in Burn & Bell, 1974
 Retusa chukchii Chaban, 2008
 Retusa complanata (Watson, 1883)
 Retusa crebrisculpta (Monterosato, 1884)
 Retusa crispula (Watson, 1883)
 Retusa crossei (Bucquoy, Dautzenberg & Dollfus, 1886)
 Retusa desgenettii (Audouin, 1826)
 Retusa diaphana Valdés, 2008
† Retusa ennucleata (Powell & Bartrum, 1929) 
 Retusa famelica Watson, 1883
 Retusa frielei (Dall, 1881)
 Retusa golikovi Chaban, 2004
 冰柱螺 Retusa insignis (Pilsbry, 1904)
 Retusa insolita Valdés, 2008
 Retusa instabilis Minichev, 1971
 Retusa laevisculpta (Granata-Grillo, 1877)
 Retusa lata Chaban & Chernyshev, 2013
 Retusa lenis Valdés, 2008
 Retusa leptoeneilema (Brusina, 1866)
 Retusa mammillata (Philippi, 1836)
 Retusa mariei (Dautzenberg, 1889)
 Retusa mayoi (Dall, 1889)
 小囊螺 Retusa minima Yamakawa, 1911
 Retusa minutissima (Monterosato, 1878)
 Retusa montereyensis Smith & Gordon, 1948
 Retusa natalensis Barnard, 1963
 Retusa nitidula (Lovén, 1846)
 Retusa obtusa (Montagu, 1803)
 Retusa operculata Minichev, 1966
 Retusa opima (Finlay, 1926)
 Retusa oruaensis (Webster, 1908)
 † Retusa otahuhuensis (Laws, 1950) 
 Retusa ovoides (Milaschewitsch, 1916)
 卵囊螺 Retusa ovulina Lin, 1991
 Retusa pellucida (Sars G. O., 1878)
 Retusa pelyx Burn in Burn & Bell, 1974
 Retusa pervia (Dall, 1889)
 Retusa pharetra Hedley, 1909
 † Retusa pressa Marwick, 1928 
 Retusa protumida (Hedley, 1903)
 Retusa pygmaea (A. Adams, 1850)
 Retusa robagliana (P. Fischer, 1869)
 Retusa sakuraii (Habe, 1958)
 Retusa sculpta (Gatliff & Gabriel, 1913)
 † Retusa segnis (Laws, 1940) 
 Retusa semen (Reeve, 1855)
 † Retusa soror (Suter, 1917) 
 Retusa sosa Ev. Marcus & Er. Marcus, 1969
 Retusa striata (Hutton, 1873)
 Retusa succincta (A. Adams, 1862)
 Retusa sulcata (d'Orbigny, 1841)
 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 umbilicata (Montagu, 1803)
 Retusa variabilis (Milaschewitsch, 1912)
 束腰冰柱螺 Retusa waughiana Hedley, 1899
 Retusa xystrum Dall, 1919

 Retusa multiquadrata Oberling, 1970 (taxon inquirendum; needs investigation)
異名：
 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 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 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 (Brown, 1827): synonym of Diaphana minuta T. Brown, 1827
 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)

參看
 半凹塔螺屬（）

參考文獻
 
 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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