| Nominal Species (n = 184) | Present allocation (n = 173) | Ref. |
|---|---|---|
| Cerithiopsis academicorum Rolán & Espinosa, 1996 | Cerithiopsis academicorum | 3477 |
| Aliptina acheronae Marshall, 1978 | Aliptina acheronae | 3477 |
| Cerithiopsis acies Suter, 1908 | Zaclys sarissa | 3477 |
| Cerithiopsis acontium Dall, 1889 | Cerithiopsis acontium | 83435 |
| Synthopsis acuminata Marshall, 1978 | Synthopsis acuminata | 3477 |
| Cerithiopsis aimen Rolán & Espinosa, 1996 | Cerithiopsis aimen | 83435 |
| Bittium alabastrula Mörch, 1876 | Cerithiopsis alabastrula | 83435 |
| Cerithium albovittata Adams, 1850 | Cerithiopsis albovittata | 83435 |
| Cerithiopsis alcima Bartsch, 1911 | Cerithiopsis alcima | 19 |
| Cerithiopsis annae Cecalupo & Buzzurro, 2005 | Cerithiopsis annae | 1056 |
| Cerithiopsis annaleabeardae Swinnen & Nappo, 2022 | Cerithiopsis annaleabeardae | 3477 |
| Cerithiopsis antemunda Bartsch, 1911 | Cerithiopsis antemunda | 19 |
| Cerithiopsis apicina Dall, 1927 | Cerithiopsis apicina | 83435 |
| Cerithiopsis aquilum Rehder, 1980 | Cerithiopsis aquilum | 3477 |
| Cerithiopsis ara Dall & Bartsch, 1911 | Cerithiopsis ara | 19 |
| Cerithiopsis aralia Olsson & Harbison, 1953 | Cerithiopsis aralia | 83435 |
| Cerithium arctica Mörch, 1857 | Eumetula arctica | 83435 |
| Cerithiopsis arga Kay, 1979 | Cerithiopsis arga | 86518 |
| Cerithiopsis argentea Dall, 1927 | Cerithiopsis argentea | 83435 |
| Cerithiopsis arnoldi Bartsch, 1911 | Cerithiopsis arnoldi | 19 |
| Bittium astrolabiensis Strebel, 1908 | Cerithiella astrolabiensis | 83435 |
| Cerithiopsis aurea Bartsch, 1911 | Cerithiopsis aurea | 19 |
| Cerithiella axicostulata Castellanos, Rolán & Bartolotta, 1987 | Cerithiella axicostulata | 83435 |
| Cerithiopsis bakeri Bartsch, 1917 | Cerithiopsis bakeri | 19 |
| Cerithiopsis balaustium Figueira & Pimenta, 2008 | Cerithiopsis balaustium | 83435 |
| Triforis barbadensis Coomans & Faber, 1984 | Triforis barbadensis | 83435 |
| Cerithiopsis barleei Jeffreys, 1867 | Cerithiopsis barleei | 1056 |
| Seila beauforti Thiriot-Quiévreux, 1980 | Seila beauforti | 83435 |
| Cerithiopsis beneitoi Rolán, Espinosa & Fernández-Garcés, 2007 | Cerithiopsis beneitoi | 83435 |
| Laskeya benthica Dall, 1924 | Onchodia benthica | 83435 |
| Prolixodens benthica Marshall, 1978 | Prolixodens benthica | 3477 |
| Cerithiopsis berryi Bartsch, 1911 | Cerithiopsis berryi | 19 |
| Cerithium bicolor Adams, 1845 | Retilaskeya bicolor | 83435 |
| Bittium bisculpta Strebel, 1908 | Cerithiopsilla bisculpta | 83435 |
| Cerithiopsidella blacki Marshall, 1978 | Cerithiopsidella blacki | 3477 |
| Cerithiopsis bristolae Baker, Hanna, & Strong, 1938 | Cerithiopsis bristolae | 19 |
| Bittium brucei Melvill & Standen, 1912 | Joculator brucei | 83435 |
| Seila bulbosa Suter, 1908 | Seila bulbosa | 3477 |
| Bittium burdwoodiana Melvill & Standen, 1912 | Cerithiopsilla burdwoodiana | 83435 |
| Joculator caelata Powell, 1930 | Synthopsis caelata | 3477 |
| Cerithium caelatum Gould, 1849 | Eumetula pulla | 83435 |
| Sundaya campbellica Powell, 1955 | Specula campbellica | 3477 |
| Cerithiopsis canaliculata Suter, 1908 | Specula retifera | 3477 |
| Cerithiopsis capixaba Figueira & Pimenta, 2008 | Cerithiopsis capixaba | 83435 |
| Speculator cariosus Waren & Bouchet, 2001 | Speculator cariosus | 8774 |
| Cerithiopsis carpenteri Bartsch, 1911 | Cerithiopsis carpenteri | 19 |
| Cerithiella cepene Lima & Barros, 2007 | Cerithiella cepene | 83435 |
| Cerithiopsis cessicus Suter, 1908 | Sundaya tuberculata | |
| Cerithiopsis cesta Bartsch, 1911 | Cerithiopsis cesta | 19 |
| Cerithiopsis charlottensis Bartsch, 1917 | Cerithiopsis charlottensis | 19 |
| Seila chathamensis Suter, 1908 | Seila chathamensis | 3477 |
| Bittium cinctum Hutton, 1886 | Seila chathamensis | 3477 |
| Cerithium cinctum Hutton, 1873 | Seila terebelloides | 3477 |
| Bittium cinereoflava Mörch, 1876 | Cerithiopsis cinereoflava | 83435 |
| Seila cochleata Suter, 1908 | Seila chathamensis | 3477 |
| Cerithiopsis columna Carpenter, 1864 | Cerithiopsis columna | 19 |
| Cerithiopsis cosmia Bartsch, 1907 | Cerithiopsis cosmia | 19 |
| Cerithiopsis costulatum Moller, 1842 | Cerithiopsis costulatum | 19 |
| Horologica cowei Marshall, 1978 | Horologica cowei | 3477 |
| Prolixodens crassa Marshall, 1978 | Prolixodens crassa | 3477 |
| Cerithiopsis crenistria Suter, 1907 | Alipta crenistria | 92975 |
| Cerithiopsis cruzana Usticke, 1959 | Cerithiopsis cruzana | 83435 |
| Cubalaskeya cubana Rolán & Fernández-Garcés, 2008 | Cubalaskeya cubana | 83435 |
| Horologica cubensis Rolán & Espinosa, 1992 | Horologica cubensis | 83435 |
| Cerithiopsis cynthia Bartsch, 1911 | Cerithiopsis cynthia | 19 |
| Cerithiopsis decora Dall, 1927 | Cerithiopsis decora | 83435 |
| Cerithiopsis diadema Monterosato, 1874 | Cerithiopsis diadema | 1056 |
| Cerithiopsis diegensis Bartsch, 1911 | Cerithiopsis diegensis | 19 |
| Eumetula dilecta Thiele, 1912 | Eumetula dilecta | 83435 |
| Seila dilecta Marshall, 1978 | Seila dilecta | 3477 |
| Cerithiopsis diomedeae Bartsch, 1911 | Cerithiopsis diomedeae | 19 |
| Cerithiopsis dirempta Odhner, 1924 | Horologica dirempta | |
| Seila dissimilis Suter, 1908 | Specula styliformis | 3477 |
| Cerithiopsis dominguezi Rolán & Espinosa, 1996 | Cerithiopsis dominguezi | 3477 |
| Seila elegantissima Marshall, 1978 | Seila elegantissima | 3477 |
| Cerithium emersonii Adams, 1839 | Cerithiopsis emersonii | 83435 |
| Cerithium enodis Watson, 1880 | Cerithiella enodis | 83435 |
| Sundaya exquisita Oliver, 1915 | Sundaya exquisita | 3477 |
| Cerithiopsis familiarum Rolán, Espinosa & Fernández-Garcés, 2007 | Cerithiopsis familiarum | 83435 |
| Cerithiopsis fayalensis Watson, 1880 | Cerithiopsis fayalensis | 3477 |
| Cerithium flava Adams, 1850 | Cerithiopsis flava | 83435 |
| Cerithiopsis floridana Dall, 1892 | Cerithiopsis floridana | 83435 |
| Cerithiopsis fraseri Bartsch, 1921 | Cerithiopsis fraseri | 19 |
| Cerithiopsis fuscoflava Rolán & Espinosa, 1996 | Cerithiopsis fuscoflava | 83435 |
| Cerithium fusiformis Adams, 1850 | Cerithiopsis fusiformis | 83435 |
| Cerithium gemmulosa Adams, 1850 | Cerithiopsis gemmulosa | 83435 |
| Cerithiopsis georgiana Dall, 1927 | Cerithiopsis georgiana | 83435 |
| Cerithium georgiana Pfeffer, 1886 | Cerithiopsilla georgiana | 83435 |
| Krachiopsis giannuzzii Smriglio & Mariottini, 1999 | Krachiopsis giannuzzii | 1056 |
| Cerithiopsis gloriosa Bartsch, 1911 | Cerithiopsis gloriosa | 19 |
| Joculator granata Kay, 1979 | Costulopsis granata | 3477 |
| Cerithium greenii Adams, 1839 | Cerithiopsis greenii | 83435 |
| Cerithiopsis greppii Buzzurro & Cecalupo, 2005 | Cerithiopsis greppii | 1056 |
| Joculator grimalae Cecalupo & Perugia, 2021 | Joculator grimalae | 3477 |
| Cerithiopsis grippi Bartsch, 1917 | Cerithiopsis grippi | 19 |
| Cerithium guaraniana d'Orbigny, 1841 | Cerithiopsis guaraniana | 83435 |
| Cerithiopsis guitarti Espinosa & Ortea, 2001 | Cerithiopsis guitarti | 83435 |
| Cerithiopsis halia Bartsch, 1911 | Cerithiopsis halia | 19 |
| Mendax hebetatus Marshall, 1978 | Mendax hebetatus | 3477 |
| Cerithiopsis hero Bartsch, 1911 | Cerithiopsis hero | 19 |
| Seila huttoni Suter, 1915 | Seila chathamensis | 3477 |
| Cerithiopsis infracolor Laseron, 1951 | Prolixodens infracolor | 3477 |
| Cerithiopsis io Dall & Bartsch, 1911 | Cerithiopsis io | 19 |
| Cerithiopsis iontha Bartsch, 1911 | Cerithiopsis iontha | 19 |
| Cerithium iota Adams, 1845 | Cerithiopsis iota | 83435 |
| Cerithiopsis iudithae Reitano & Buzzurro, 2006 | Cerithiopsis iudithae | 3477 |
| Cerithiopsis jeffreysi Watson, 1885 | Cerithiopsis jeffreysi | 19 |
| Cerithiopsis kinoi Baker, Hanna, & Strong, 1938 | Cerithiopsis kinoi | 19 |
| Cerithiopsis krisbergi Rolán & Fernández-Garcés, 2007 | Cerithiopsis krisbergi | 83435 |
| Cerithiopsis ladae Prkic & Buzzurro, 2007 | Cerithiopsis ladae | 1056 |
| Cerithium lata Adams, 1850 | Cerithiopsis lata | 83435 |
| Cerithium liouvillei Lamy, 1910 | Cerithiopsilla liouvillei | 83435 |
| Cubalaskeya machoi Espinosa, Ortea & Moro, 2008 | Cubalaskeya machoi | 83435 |
| Cerithiopsis macroura Melvill & Standen, 1912 | Cerithiella macroura | 83435 |
| Cerithiopsis magellanica Bartsch, 1911 | Cerithiopsis magellanica | 83435 |
| Seila maoria Marshall, 1978 | Seila maoria | 3477 |
| Cerithiopsis marginata Suter, 1908 | Mendax marginata | 3477 |
| Cerithiopsis martensii Dall, 1889 | Cerithiopsis martensii | 83435 |
| Cerithiopsis martensii Dall, 1881 | Cerithiopsis martensii | 19 |
| Cerithiopsis matara Dall, 1889 | Cerithiopsis matara | 83435 |
| Cerithiopsis metaxae Della Chiaje, 1829 | Cerithiopsis metaxae | 19 |
| Dizoniopsis micalii Cecalupo & Villari, 1997 | Dizoniopsis micalii | 1056 |
| Bittium michaelseni Strebel, 1905 | Eumetula michaelseni | 83435 |
| Cerithiopsis montereyensis Bartsch, 1911 | Cerithiopsis montereyensis | 19 |
| Seila montereyensis Bartsch, 1907 | Seila montereyensis | 19 |
| Cerithiopsis movilla Dall & Bartsch, 1911 | Cerithiopsis movilla | 19 |
| Zaclys murdochi Marshall, 1978 | Zaclys murdochi | 3477 |
| Cerithiopsis nofronii Amati, 1987 | Cerithiopsis nofronii | 1056 |
| Specula odhneri A.W.B. Powell, 1927 | Mendax trizonalis odhneri | |
| Cerithiopsis onealensis Bartsch, 1921 | Cerithiopsis onealensis | 19 |
| Cerithiopsis oxys Bartsch, 1911 | Cerithiopsis oxys | 19 |
| Cerithiopsis paglii Swinnen & Nappo, 2022 | Cerithiopsis paglii | 3477 |
| Zaclys paradoxa Powell, 1937 | Horologica dirempta | 3477 |
| Cerithiopsis paramoea Bartsch, 1911 | Cerithiopsis paramoea | 19 |
| Cerithiopsis pedroana Bartsch, 1907 | Cerithiopsis pedroana | 19 |
| Cerithiopsis pellegrinii Swinnen & Nappo, 2022 | Cerithiopsis pellegrinii | 3477 |
| Cerithiella pernambucoensis Lima & Barros, 2007 | Cerithiella pernambucoensis | 83435 |
| Cerithiopsis pesa Dall & Bartsch, 1911 | Cerithiopsis pesa | 19 |
| Cerithiopsis pinea Hedley, 1909 | Horologica pinea | 3204 |
| Cerithiopsis porteri Baker, Hanna, & Strong, 1938 | Cerithiopsis porteri | 19 |
| Cerithiopsis portoi Rolán & Espinosa, 1996 | Cerithiopsis portoi | 83435 |
| Cerithiopsis powelli Marshall, 1978 | Cerithiopsis powelli | 337 |
| Cerithiopsis prieguei Rolán & Espinosa, 1996 | Cerithiopsis prieguei | 83435 |
| Joculator problematicus Albano & Steger, 2021 | Joculator problematicus | 3477 |
| Cerithiopsis pseudomovilla Rolán & Espinosa, 1996 | Cerithiopsis pseudomovilla | 83435 |
| Cerithiopsis pulchresculpta Cachia, Mifsud & Sammut, 2004 | Cerithiopsis pulchresculpta | 1056 |
| Cerithium pulla Philippi, 1845 | Eumetula pulla | 83435 |
| Cerithiopsis pupa Dall & Stimpson, 1901 | Cerithiopsis pupa | 19 |
| Cerithiopsis pupa Dall & Simpson, 1901 | Horologica pupa | 83435 |
| Horologica rauli Rolán & Espinosa, 1992 | Horologica rauli | 83435 |
| Seila regia Marshall, 1978 | Seila regia | 3477 |
| Synthopsis regia Marshall, 1978 | Synthopsis regia | 3477 |
| Cerithiopsis rhyshobbsi Swinnen & Nappo, 2022 | Cerithiopsis rhyshobbsi | 3477 |
| Cerithiopsis sarissa Murdoch, 1905 | Zaclys sarissa | 3477 |
| Mendax seilaformis Marshall, 1978 | Mendax seilaformis | 3477 |
| Bittium seymouriana Strebel, 1908 | Cerithiella seymouriana | 83435 |
| Cerithiopsis signa Bartsch, 1911 | Cerithiopsis signa | 19 |
| Cerithiopsis sigsbeana Dall, 1881 | Cerithiopsis sigsbeana | 83435 |
| Cerithium sinistratum Nyst, 1835 | Laeocochlis sinistrata | 3477 |
| Cerithiopsis stejnegeri Dall, 1884 | Cerithiopsis stejnegeri | 19 |
| Cerithiopsis stephensae Bartsch, 1909 | Cerithiopsis stephensae | 19 |
| Eumeta strebeli Thiele, 1912 | Eumetula strebeli | 83435 |
| Cerithiopsis styliformis Suter, 1908 | Specula styliformis | 3477 |
| Seila subalbida Dall, 1927 | Seila subalbida | 83435 |
| Cerithiopsis subantarctica Suter, 1908 | Zaclys sarissa | 3477 |
| Paramendax subapicina Dell, 1956 | Mendax subapicina | |
| Cerithiopsis subgloriosa Baker, Hanna, & Strong, 1938 | Cerithiopsis subgloriosa | 19 |
| Joculator sublima Marshall, 1978 | Joculator sublima | 3477 |
| Cerithiopsis tarruellasi Peñas & Rolán, 2006 | Cerithiopsis tarruellasi | 1056 |
| Cerithiopsis trizonalis Odhner, 1924 | Mendax trizonalis trizonalis | 3477 |
| Mendax trizonaloides Marshall, 1978 | Mendax trizonaloides | 3477 |
| Cerithiopsis tubercularis Montagu, 1803 | Cerithiopsis tubercularis | 19 |
| Sundaya tuberculata Powell, 1927 | Sundaya tuberculata | 3477 |
| Cerithiopsis tuberculatus Montagu, 1803 | Cerithiopsis tuberculatus | 19 |
| Cerithiopsis turbonilloides Dautzenberg & Fischer, 1896 | Ektonos turbonilloides | 83435 |
| Cerithiopsis vanhyningi Bartsch, 1918 | Cerithiopsis vanhyningi | 19 |
| Triphoris vestalis Adams, 1854 | Cerithiopsis vestalis | 83435 |
| Cerithiopsis vicola Dall & Bartsch, 1911 | Cerithiopsis vicola | 19 |
| Cerithiopsis vinca Olsson & Harbison, 1953 | Cerithiopsis vinca | 83435 |
| Cerithiopsis virginica Henderson & Bartsch, 1914 | Cerithiopsis virginica | 19 |
| Cerithiopsis vitrea Dall, 1927 | Cerithiopsis vitrea | 83435 |
| Cerithiopsis warmkae Jong & Coomans, 1988 | Cerithiopsis warmkae | 83435 |
| Cerithiopsis willetti Bartsch, 1921 | Cerithiopsis columna | 75097 |
| Retilaskeya zelandica Marshall, 1978 | Retilaskeya zelandica | 3477 |