| Nominal Species (n = 190) | Present allocation (n = 179) | Ref. |
|---|---|---|
| Cadulus aberrans Whiteaves, 1887 | Gadila aberrans | 1821 |
| Cadulus abruptoinflatus Boissevain, 1906 | Gadila abruptoinflata | 1821 |
| Cadulus acus Dall, 1889 | Gadila acus | 19 |
| Cadulus aequalis Dall, 1881 | Gadila aequalis | 19 |
| Cadulus aequatorialis Jaeckel, 1932 | Cadulus aequatorialis | 1821 |
| Cadulus agassizii Dall, 1881 | Gadila agassizii | 19 |
| Cadulus albicomatus Dall, 1890 | Striocadulus albicomatus | 19 |
| Cadulus amiantus Dall, 1889 | Gadila amianta | 19 |
| Cadulus amphora Jeffreys, 1883 | Cadulus amphora | 1821 |
| Cadulus ampullaceus Watson, 1879 | Cadulus ampullaceus | 19 |
| Polyschides andersoni Lamprell & Healy, 1998 | Polyschides andersoni | 1821 |
| Cadulus anguidens Melvill & Standen, 1898 | Gadila anguidens | 1821 |
| Cadulus angustior Verco, 1911 | Gadila angustior | 1821 |
| Cadulus aratus Hedley, 1899 | Cadulus aratus | 1821 |
| Cadulus arctus Henderson, 1920 | Gadila arctus | 19 |
| Polyschides arnaudi Scarabino, 1995 | Polyschides arnaudi | 1821 |
| Cadulus artatus Locard, 1897 | Cadulus artatus | 19 |
| Cadulus atlanticus Henderson, 1920 | Cadulus atlanticus | 19 |
| Cadulus atlantideus Nicklès, 1955 | Dischides atlantideus | 1821 |
| Cadulus attenuatus Monterosato, 1875 | Cadulus attenuatus | 1821 |
| Cadulus austinclarki Emerson, 1951 | Gadila austinclarki | 19 |
| Siphonodentalium australasiae Boissevain, 1906 | Siphonodentalium australasiae | 1821 |
| Dischides belcheri Pilsbry & Sharp, 1898 | Dischides belcheri | 1821 |
| Dentalium bifissum Wood, 1848 | Dischides politus | 1821 |
| Cadulus boissevaini Jaeckel, 1932 | Gadila boissevainae | 1821 |
| Cadulus booceras Tomlin, 1926 | Siphonodentalium booceras | 1821 |
| Cadulus bordaensis Cotton & Godfrey, 1940 | Gadila bordaensis | 1821 |
| Cadulus boucheti Nicklès, 1979 | Gadila boucheti | 1821 |
| Cadulus braziliensis Henderson, 1920 | Gadila braziliensis | 1821 |
| Gadila brycei Lamprell & Healy, 1998 | Gadila brycei | 1821 |
| Cadulus bushiae Dall, 1889 | Polyschides bushiae | 83435 |
| Cadulus bushii Dall, 1889 | Gadila bushii | 1821 |
| Cadulus californicus Pilsbry & Sharp, 1898 | Cadulus californicus | 1821 |
| Cadulus campylus Melvill, 1906 | Cadulus campylus | 1821 |
| Gadila carlessi Lamprell & Healy, 1998 | Gadila carlessi | 1821 |
| Cadulus carolinensis Bush, 1885 | Polyschides carolinensis | 1821 |
| Cadulus catharus Henderson, 1920 | Cadulus catharus | 1821 |
| Cadulus chuni Jaeckel, 1932 | Cadulus chuni | 1821 |
| Dentalium clavatum Gould, 1859 | Gadila clavata | 1821 |
| Gadila cobbi Lamprell & Healy, 1998 | Gadila cobbi | 1821 |
| Cadulus colliverae Lamprell & Healy, 1998 | Cadulus colliverae | 1821 |
| Cadulus colubridens Watson, 1879 | Siphonodentalium colubridens | 1821 |
| Cadulus congruens Watson, 1879 | Cadulus congruens | 1821 |
| Cadulus cucurbitus Dall, 1881 | Cadulus cucurbitus | 19 |
| Cadulus curtus Watson, 1879 | Cadulus curtus | 1821 |
| Cadulus cuspidatus Nicklès, 1979 | Polyschides cuspidatus | 1821 |
| Cadulus cyathoides Jaeckel, 1932 | Cadulus cyathoides | 1821 |
| Cadulus cylindratus Jeffereys, 1877 | Cadulus cylindratus | 19 |
| Cadulus dalli Pilsbry & Sharp, 1898 | Siphonodentalium dalli | 1821 |
| Cadulus dalli dalli Pilsbry & Sharp, 1898 | Siphonodentalium dalli | 1891 |
| Cadulus dartevellei Nicklès, 1979 | Dischides dartevellei | 1821 |
| Cadulus delicatulus Suter, 1913 | Cadulus delicatulus | 1821 |
| Gadila desaintlaurentae Scarabino, 1995 | Gadila desaintlaurentae | 1821 |
| Siphonodentalium dichelum Watson, 1879 | Dischides dichelum | 1821 |
| Cadulus divae Velian, 1877 | Gadila divae | 1821 |
| Cadulus dominguense d'Orbigny, 1853 | Gadila dominguensis | 1821 |
| Dentalium dominguensis d'Orbigny, 1847 | Gadila dominguensis | 83435 |
| Gadila doumenci Scarabino, 1995 | Gadila doumenci | 1821 |
| Striocadulus elegantissimus Sakurai & Shimazu, 1963 | Sagamicadulus elegantissimus | 1821 |
| Gadila elenae Scarabino, 1995 | Gadila elenae | 1821 |
| Cadulus elephas Henderson, 1920 | Gadila elephas | 1821 |
| Cadulus eliezeri Caetano, Scarabino & Absalão, 2006 | Cadulus eliezeri | 3441 |
| Cadulus elongatus Henderson, 1920 | Polyschides elongatus | 1821 |
| Cadulus euloides Melvill & Standen, 1901 | Cadulus euloides | 1821 |
| Cadulus exiguus Watson, 1879 | Cadulus exiguus | 19 |
| Siphonodentalium exvitreum Sacco, 1897 | Siphonodentalium lobatum | 1821 |
| Bathycadulus fabrizioi Scarabino, 1995 | Bathycadulus fabrizioi | 1821 |
| Polyschides fausta Kuroda, Habe & Oyama, 1971 | Polyschides fausta | 1821 |
| Cadulus florenciae Scarabino, 1995 | Cadulus florenciae | 1821 |
| Cadulus foweyensis Henderson, 1920 | Polyschides foweyensis | 19 |
| Gadila fraseri Nicklès, 1955 | Gadila fraseri | 1821 |
| Cadulus fusiformis Pilsbry & Sharp, 1898 | Gadila aberrans | 1821 |
| Dentalium gadus Montagu, 1803 | Gadila gadus | 1821 |
| Cadulus gibbosus Verco, 1911 | Polyschides gibbosus | 1821 |
| Cadulus gibbus Jeffreys, 1883 | Cadulus gibbus | 1821 |
| Cadulus glans Scarabino, 1995 | Cadulus glans | 1821 |
| Cadulus gracilis Jeffreys, 1877 | Cadulus gracilis | 1821 |
| Cadulus grandis Verrill, 1884 | Polyschides grandis | 1821 |
| Cadulus greenlawi Henderson, 1920 | Gadila greenlawi | 1821 |
| Cadulus greenlawi Dall, 1889 | Gadila greenlawi | 19 |
| Cadulus hepburni Dall, 1897 | Gadila aberrans | 1821 |
| Cadulus hexaschistus Boissevain, 1906 | Siphonodentalium hexaschistum | 1821 |
| Dischides hintoni Lamprell & Healy, 1998 | Dischides hintoni | 1821 |
| Cadulus honoluluensis Watson, 1879 | Gadila honoluluensis | 1821 |
| Cadulus iota Henderson, 1920 | Gadila iota | 19 |
| Siphonodentalium isaotakii Habe, 1953 | Siphonodentalium isaotakii | 1821 |
| Siphonodentalium jaeckeli Scarabino, 1995 | Siphonodentalium jaeckeli | 1821 |
| Siphonodentalium japonicum Habe, 1960 | Siphonodentalium japonicum | 1821 |
| Helonyx jeffreysi Monterosato, 1875 | Cadulus jeffreysi | 1821 |
| Polyschides kaiyomaruae Okutani, 1975 | Polyschides kaiyomaruae | 1821 |
| Cadulus labeyriei Scarabino, 1995 | Cadulus labeyriei | 1821 |
| Siphonodentalium laubieri Bouchet & Warén, 1979 | Siphonodentalium laubieri | 1821 |
| Cadulus leloeuffi Nicklès, 1979 | Dischides leloeuffi | 1821 |
| Dentalium lobatum Sowerby, 1860 | Siphonodentalium lobatum | 1821 |
| Cadulus longilobatum Boissevain, 1906 | Siphonodentalium longilobatum | 1821 |
| Cadulus ludbrookae Cotton & Godfrey, 1940 | Gadila ludbrookae | 1821 |
| Striocadulus ludbrooki Scarabino, 1995 | Striocadulus ludbrooki | 1821 |
| Cadulus lunulus Dall, 1881 | Cadulus lunulus | 1821 |
| Cadulus macleani Emerson, 1978 | Cadulus macleani | 1821 |
| Cadulus marchadi Nicklès, 1979 | Gadila marchadi | 1821 |
| Cadulus mayori Henderson, 1920 | Gadila mayori | 1821 |
| Cadulus miamiensis Henderson, 1920 | Polyschides miamiensis | 19 |
| Cadulus minusculus Dall, 1889 | Cadulus minusculus | 19 |
| Gadila minutalis Scarabino, 1995 | Gadila minutalis | 1821 |
| Cadulus minutus Adams, 1872 | Dischides minutus | 1821 |
| Gadila monodonta Scarabino, 1995 | Gadila monodonta | 1821 |
| Cadulus monterosatoi Locard, 1897 | Cadulus monterosatoi | 1821 |
| Cadulus nedallisoni Emerson, 1978 | Polyschides nedallisoni | 1821 |
| Cadulus nerta Caetano, Scarabino & Absalão, 2006 | Cadulus nerta | 3441 |
| Cadulus nickelsi Dell, 1964 | Gadila nicklesi | 1821 |
| Cadulus nitidus Henderson, 1920 | Polyschides nitidus | 1821 |
| Cadulus obesus Watson, 1879 | Cadulus obesus | 19 |
| Cadulus occidus Verco, 1911 | Cadulus occidus | 1821 |
| Siphonodentalium okudai Habe, 1953 | Siphonodentalium okudai | 1821 |
| Dentalium olivi Scacchi, 1835 | Polyschides olivi | 1821 |
| Gadila opportuna Kuroda & Habe, 1961 | Gadila opportuna | 1821 |
| Cadulus ovalis Boissevain, 1906 | Dischides ovalis | 1821 |
| Cadulus panamensis Sharp & Pilsbry, 1898 | Gadila perpusilla | 1821 |
| Cadulus pandionis Verrill & Smith, 1880 | Gadila pandionis | 1821 |
| Cadulus parvus Henderson, 1920 | Cadulus parvus | 19 |
| Polyschides pelamidae Chistikov, 1979 | Polyschides pelamidae | 1821 |
| Dentalium perpusillum Sowerby, 1832 | Gadila perpusilla | 1821 |
| Cadulus peruvianus Dall, 1908 | Gadila peruviana | 1821 |
| Cadulus platei Jaeckel, 1932 | Cadulus platei | 1821 |
| Cadulus platensis Henderson, 1920 | Cadulus platensis | 19 |
| Cadulus platystoma Pilsbry & Sharp, 1898 | Gadila platystoma | 1821 |
| Cadulus poculum Dall, 1889 | Gadila pocula | 1821 |
| Cadulus podagrinus Henderson, 1920 | Cadulus podagrinus | 1821 |
| Ditrupa politus Wood, 1842 | Dischides politus | 1821 |
| Cadulus portoricensis Henderson, 1920 | Polyschides portoricensis | 1821 |
| Siphonodentalium prionotum Watson, 1879 | Dischides prionotus | 1821 |
| Cadulus proculum Dall, 1889 | Cadulus proculum | 19 |
| Cadulus promontorii Barnard, 1963 | Siphonodentalium promontorii | 1821 |
| Cadulus propinquus Sars, 1878 | Cadulus propinquus | 1821 |
| Cadulus providensis Henderson, 1920 | Gadila providensis | 19 |
| Cadulus pseudolivi Boissevain, 1906 | Gadila pseudolivae | 1821 |
| Cadulus pulcherrimus Boissevain, 1906 | Striocadulus pulcherrimus | 1821 |
| Cadulus quadridentatus Dall, 1881 | Polyschides tetraschistus | 1821 |
| Cadulus quadrifissatus Pilsbry & Sharp, 1898 | Polyschides quadrifissatus | 19 |
| Cadulus rastridens Watson, 1879 | Gadila rastridens | 19 |
| Cadulus regularis Henderson, 1920 | Gadila regularis | 19 |
| Cadulus rossoi Nicklès, 1979 | Cadulus rossoi | 1821 |
| Cadulus rudmani Lamprell & Healy, 1998 | Cadulus rudmani | 1821 |
| Cadulus rushii Pilsbry & Sharp, 1898 | Polyschides rushii | 1821 |
| Gadila sagamiensis Kuroda, Habe & Oyama, 1971 | Gadila sagamiensis | 1821 |
| Striocadulus sagei Scarabino, 1995 | Striocadulus sagei | 1821 |
| Platyschides sakuraii Kuroda & Habe, 1961 | Polyschides sakuraii | 1821 |
| Cadulus sauridens Watson, 1879 | Gadila sauridens | 1821 |
| Cadulus scarabinoi Steiner & Kabat, 2004 | Cadulus scarabinoi | 1821 |
| Cadulus senegalensis Locard, 1897 | Gadila senegalensis | 1821 |
| Cadulus siberutensis Jaeckel, 1932 | Cadulus siberutensis | 1821 |
| Cadulus simillimus Watson, 1879 | Cadulus simillimus | 1821 |
| Cadulus simpsoni Henderson, 1920 | Gadila simpsoni | 1821 |
| Cadulus singaporensis Sharp & Pilsbry, 1898 | Gadila singaporensis | 1821 |
| Cadulus sofiae Scarabino, 1995 | Cadulus sofiae | 1821 |
| Cadulus spectabilis Verrill, 1885 | Polyschides spectabilis | 19 |
| Dischides splendens Raines, 2002 | Dischides splendens | 1821 |
| Cadulus spretus Tate & May, 1900 | Gadila spreta | 1821 |
| Cadulus strangulatus Locard, 1897 | Gadila strangulata | 1821 |
| Cadulus striatus Pilsbry & Sharp, 1898 | Gadila striata | 19 |
| Cadulus subcolubridens Ludbrook, 1954 | Gadila subcolubridens | 1821 |
| Siphonodentalium subfusiformis Sars, 1865 | Cadulus subfusiformis | 1821 |
| Cadulus subtilis Plate, 1908 | Gadila subtilis | 1821 |
| Cadulus subula Henderson, 1920 | Gadila subula | 1821 |
| Polyschides summa Okutani, 1964 | Siphonodentalium summa | 1821 |
| Polyschides sutherlandi Lamprell & Healy, 1998 | Polyschides sutherlandi | 1821 |
| Cadulus teliger Finlay, 1926 | Cadulus teliger | 3477 |
| Cadulus tersus Henderson, 1920 | Cadulus tersus | 1821 |
| Siphonodentalium tetraschistum Watson, 1879 | Polyschides tetraschistus | 1821 |
| Cadulus tetraschistus Watson, 1879 | Polyschides tetraschistus | 1996 |
| Cadulus tetrodon Pilsbry & Sharp, 1898 | Polyschides tetrodon | 19 |
| Cadulus thielei Plate, 1908 | Cadulus thielei | 1821 |
| Cadulus tolmiei Dall, 1897 | Gadila tolmiei | 1821 |
| Cadulus tumidosus Jeffreys, 1877 | Cadulus tumidosus | 19 |
| Siphonodentalium tytthum Watson, 1879 | Siphonodentalium tytthum | 1821 |
| Cadulus valdiviae Jaeckel, 1932 | Cadulus valdiviae | 1821 |
| Cadulus verrilli Henderson, 1920 | Gadila verrilli | 19 |
| Siphonodentalium verrilli Henderson, 1920 | Siphonodentalium verrilli | 19 |
| Polyschides vietnamicus Chistikov, 1979 | Polyschides vietnamicus | 1821 |
| Cadulus vincentianus Cotton & Godfrey, 1940 | Cadulus vincentianus | 1821 |
| Cadulus viperidens Melvill & Standen, 1896 | Dischides viperidens | 1821 |
| Cadulus virginalis Boissevain, 1906 | Gadila virginalis | 1821 |
| Dentalium vitreum Sars, 1851 | Siphonodentalium lobatum | 1821 |
| Cadulus vulpidens Watson, 1879 | Gadila vulpidens | 1821 |
| Cadulus watsoni Dall, 1881 | Gadila watsoni | 19 |
| Gadila whitneyae Lamprell & Healy, 1998 | Gadila whitneyae | 1821 |
| Cadulus woodhousae Lamprell & Healy, 1998 | Cadulus woodhousae | 1821 |
| Polyschides xavante Caetano & Absalão, 2005 | Polyschides xavante | 3442 |
| Dischides yateensis Scarabino, 1995 | Dischides yateensis | 1821 |
| Cadulus zonatus Boissevain, 1906 | Gadila zonata | 1821 |