| Nominal Species (n = 303) | Present allocation (n = 302) | Ref. |
|---|---|---|
| Anilocra abudefdufi Williams & Williams, 1981 | Anilocra abudefdufi | 19 |
| Anilocra acanthuri Williams & Williams, 1981 | Anilocra acanthuri | 19 |
| Nerocila aculeata Milne-Edwards, 1840 | Nerocila aculeata | 19 |
| Anilocra acuminata Haller, 1880 | Anilocra acuminata | 19 |
| Nerocila acuminata Schioedte & Meinert, 1881 | Nerocila acuminata | 19 |
| Anilocra acuta Richardson, 1910 | Anilocra acuta | 19 |
| Riggia acuticaudata Thatcher, Lopes & Froehlich, 2002 | Riggia acuticaudata | 3113 |
| Elthusa acutinasa Van der Wal, Smit & Hadfield, 2019 | Elthusa acutinasa | 3477 |
| Emetha adriatica Bovallius, 1885 | Emetha adriatica | 19 |
| Glossobius albinae Kononenko, 1986 | Glossobius albinae | 19 |
| Renocila alkoo Bruce, 1987 | Renocila alkoo | 19 |
| Anilocra alloceraea Koelbel, 1879 | Anilocra alloceraea | 19 |
| Elthusa alvaradoensis Rocha-Ramírez, Chávez-López & Bruce, 2005 | Elthusa alvaradoensis | 3113 |
| Catoessa ambassae Bruce, 1990 | Catoessa ambassae | 19 |
| Anilocra amboinensis Schioedte & Meinert, 1881 | Anilocra amboinensis | 19 |
| Glossobius anctus Bruce & Bowman, 1989 | Glossobius anctus | 19 |
| Mothocya andoni van der Wal, Smit, Bruce, Olaosebikan & Hadfield, 2021 | Mothocya andoni | 3477 |
| Anilocra angeladaviesae Welicky & Smit, 2019 | Anilocra angeladaviesae | 3477 |
| Anilocra ankistra Bruce, 1987 | Anilocra ankistra | 19 |
| Anilocra apogonae Bruce, 1987 | Anilocra apogonae | 19 |
| Mothocya argenosa Bruce, 1986 | Mothocya argenosa | 19 |
| Glossobius arimae Nunomura, 2001 | Glossobius arimae | 3113 |
| Nerocila armata Dana, 1853 | Nerocila armata | 19 |
| Elthusa arnoglossi Trilles & Justine, 2006 | Elthusa arnoglossi | 3113 |
| Nerocila arres Bowman & Tareen, 1983 | Nerocila arres | 19 |
| Mothocya arrosor Bruce, 1986 | Mothocya arrosor | 19 |
| Paracymothoa astyanaxi Lemos de Castro, 1955 | Paracymothoa astyanaxi | 19 |
| Cymothoa asymmetrica Pillai, 1954 | Cymothoa asymmetrica | 19 |
| Ichthyoxenos asymmetrica Ahmed, 1970 | Ichthyoxenos asymmetrica | 3477 |
| Anilocra atlantica Schioedte & Meinert, 1881 | Anilocra atlantica | 19 |
| Emetha audouini Milne-Edwards, 1840 | Emetha audouini | 19 |
| Glossobius auritus Bovallius, 1885 | Glossobius auritus | 19 |
| Cterissa australiensis Avdeev, 1975 | Cterissa australiensis | 19 |
| Anilocra australis Schioedte & Meinert, 1881 | Anilocra australis | 19 |
| Braga bachmanni Stadler, 1972 | Braga bachmanni | 19 |
| Nerocila barramundae Bruce, 1987 | Nerocila barramundae | 19 |
| Mothocya belonae Bruce, 1986 | Mothocya belonae | 19 |
| Nerocila benrosei Bunkley-Williams & Williams, 1999 | Nerocila benrosei | 3113 |
| Mothocya bermudensis Bruce, 1986 | Mothocya bermudensis | 19 |
| Nerocila blainvillei Leach, 1818 | Nerocila blainvillei | 19 |
| Mothocya bohlkeorum Williams & Williams, 1982 | Mothocya bohlkeorum | 19 |
| Renocila bollandi Williams & Williams, 1987 | Renocila bollandi | 19 |
| Cymothoa borbonica Schioedte & Meinert, 1884 | Cymothoa borbonica | 19 |
| Renocila bowmani Williams & Williams, 1980 | Renocila bowmani | 19 |
| Anphira branchialis Thatcher, 1993 | Anphira branchialis | 3113 |
| Braga brasiliensis Schioedte & Meinert, 1881 | Braga brasiliensis | 19 |
| Cymothoa brasiliensis Schioedte & Meinert, 1884 | Cymothoa brasiliensis | 19 |
| Riggia brasiliensis Szidat & Schubart, 1960 | Riggia brasiliensis | 19 |
| Anilocra bunkleywilliamsae Welicky & Smit, 2019 | Anilocra bunkleywilliamsae | 3477 |
| Cymothoa bychowskyi Avdeev, 1979 | Cymothoa bychowskyi | 19 |
| Lironeca californica Schioedte & Meinert, 1883 | Lironeca californica | 19 |
| Nerocila californica Schioedte & Meinert, 1881 | Nerocila californica | 19 |
| Rhiothra callipia Schioedte & Meinert, 1884 | Rhiothra callipia | 19 |
| Anilocra capensis Leach, 1818 | Anilocra capensis | 19 |
| Cymothoa caraibica Bovallius, 1885 | Cymothoa caraibica | 19 |
| Cymothoa carangii Avdeev, 1979 | Cymothoa carangii | 19 |
| Cymothoa carryensis Gourret, 1892 | Cymothoa carryensis | 19 |
| Cymothoa catarinensis Thatcher, Loyola e Silva, Jost & Souza-Conceiçao, 2003 | Cymothoa catarinensis | 3113 |
| Ourozeuktes caudatus Schioedte & Meinert, 1884 | Ourozeuktes caudatus | 19 |
| Anilocra cavicauda Richardson, 1910 | Anilocra cavicauda | 19 |
| Anilocra chaetodontis Williams & Williams, 1981 | Anilocra chaetodontis | 19 |
| Anilocra chromis Williams & Williams, 1981 | Anilocra chromis | 19 |
| Braga cichlae Schioedte & Meinert, 1881 | Braga cichlae | 19 |
| Philostomella cigarra Szidat & Schubart, 1960 | Philostomella cigarra | 19 |
| Cymothoa cinerea Bal & Joshi, 1959 | Cymothoa cinerea | 19 |
| Ichthyoxenos circularius Shen, 1940 | Ichthyoxenos circularius | 3477 |
| Ichthyoxenus circularius Shen, 1940 | Ichthyoxenos circularius | 19 |
| Anilocra clupei Williams & Bunkley-Williams, 1986 | Anilocra clupei | 19 |
| Renocila colini Williams & Williams, 1980 | Renocila colini | 19 |
| Ceratothoa collaris Schioedte & Meinert, 1883 | Ceratothoa collaris | 19 |
| Mothocya collettei Bruce, 1986 | Mothocya collettei | 19 |
| Nerocila congener Miers, 1880 | Nerocila congener | 19 |
| Mothocya contracta Costa, 1851 | Mothocya contracta | 3113 |
| Lironeca convexa Richardson, 1905 | Lironeca convexa | 19 |
| Anilocra coxalis Schioedte & Meinert, 1881 | Anilocra coxalis | 19 |
| Riggia cryptocularis Thatcher, de Conceiçao Lopes & Froehlich, 2003 | Riggia cryptocularis | 3113 |
| Cymothoa curta Schioedte & Meinert, 1884 | Cymothoa curta | 19 |
| Renocila curtipinnata Bruce, 1991 | Renocila curtipinnata | 19 |
| Ceratothoa curvicauda Nunomura, 2006 | Ceratothoa curvicauda | 3113 |
| Nerocila cuspidata Costa, 1851 | Nerocila cuspidata | 19 |
| Ichthyoxenos dentimaxillus Shen, 1940 | Ichthyoxenos dentimaxillus | 19 |
| Ceratothoa deplanata Bovallius, 1885 | Ceratothoa deplanata | 19 |
| Nerocila depressa Milne-Edwards, 1840 | Nerocila depressa | 19 |
| Lironeca desterroensis Thatcher, Souza-Conceição & Jost, 2003 | Lironeca desterroensis | 8387 |
| Livoneca desterroensis Thatcher, Souza-Conceiçao & Jost, 2003 | Livoneca desterroensis | 3113 |
| Pleopodias diaphus Avdeev, 1975 | Pleopodias diaphus | 19 |
| Idusa dieuzeidei Dollfus, 1950 | Idusa dieuzeidei | 19 |
| Anilocra dimidiata Bleeker, 1857 | Anilocra dimidiata | 19 |
| Nerocila donghaiensis Yu & Li, 2002 | Nerocila donghaiensis | 3113 |
| Cymothoa dufresni Leach, 1818 | Cymothoa dufresni | 19 |
| Cymothoa elegans Bovallius, 1885 | Cymothoa elegans | 19 |
| Pleopodias elongatus Richardson, 1910 | Pleopodias elongatus | 19 |
| Anilocra elviae Winfield, Alvarez & Ortiz, 2002 | Anilocra elviae | 3113 |
| Cymothoa epimerica Avdeev, 1979 | Cymothoa epimerica | 19 |
| Mothocya epimerica Costa, 1851 | Mothocya epimerica | 19 |
| Elthusa epinepheli Trilles & Justine, 2010 | Elthusa epinepheli | 3477 |
| Cymothoa excisa Perty, 1833 | Cymothoa excisa | 19 |
| Cymothoa exigua Schioedte & Meinert, 1884 | Cymothoa exigua | 19 |
| Cymothoa eximia Schioedte & Meinert, 1884 | Cymothoa eximia | 19 |
| Nerocila exocoeti Pillai, 1954 | Nerocila exocoeti | 19 |
| Ichthyoxenos expansus Van Name, 1920 | Ichthyoxenos expansus | 19 |
| Nerocila falklandica Cunningham, 1871 | Nerocila falklandica | 19 |
| Elthusa fistularia Aneesh, Helna, Kumar & Trilles, 2020 | Elthusa fistularia | 3477 |
| Braga fluviatilis Richardson, 1911 | Braga fluviatilis | 3113 |
| Nerocila fluviatilis Schioedte & Meinert, 1881 | Nerocila fluviatilis | 19 |
| Asotana formosa Schioedte & Meinert, 1881 | Asotana formosa | 19 |
| Ichthyoxenos formosanus Harada, 1930 | Ichthyoxenos formosanus | 19 |
| Anilocra frontalis Milne-Edwards, 1840 | Anilocra frontalis | 19 |
| Cymothoa frontalis Milne-Edwards, 1840 | Cymothoa frontalis | 19 |
| Ichthyoxenos fushanensis Tsai & Dai, 1999 | Ichthyoxenos fushanensis | 3113 |
| Cymothoa gadorum Brocchi, 1875 | Cymothoa gadorum | 19 |
| Livoneca galinae Kononenko, 1989 | Livoneca galinae | 3113 |
| Ceratothoa gaudichaudii Milne-Edwards, 1840 | Ceratothoa gaudichaudii | 19 |
| Ichthyoxenos geei Boone, 1921 | Ichthyoxenos geei | 19 |
| Cymothoa gerris Schioedte & Meinert, 1884 | Cymothoa gerris | 19 |
| Cymothoa gibbosa Gourret, 1892 | Cymothoa gibbosa | 19 |
| Mothocya gilli Bruce, 1986 | Mothocya gilli | 19 |
| Mothocya girellae Bruce, 1986 | Mothocya girellae | 19 |
| Cymothoa globosa Schioedte & Meinert, 1884 | Cymothoa globosa | 19 |
| Ryukyua globosa Williams & Bunkley-Williams, 1994 | Ryukyua globosa | 19 |
| Ceratothoa gobii Schioedte & Meinert, 1883 | Ceratothoa gobii | 19 |
| Anilocra grandmaae Aneesh, Hadfield, Smit & Kumar, 2021 | Anilocra grandmaae | 3477 |
| Catoessa gruneri Bowman & Tareen, 1983 | Catoessa gruneri | 19 |
| Cymothoa guadeloupensis Fabricius, 1793 | Cymothoa guadeloupensis | 19 |
| Anphira guianensis Thatcher, 2002 | Anphira guianensis | 3113 |
| Livoneca guianensis Van Name, 1925 | Livoneca guianensis | 3113 |
| Anilocra guinensis Bovallius, 1887 | Anilocra guinensis | 19 |
| Anilocra hadfieldae Welicky & Smit, 2019 | Anilocra hadfieldae | 3477 |
| Anilocra haemuli Williams & Williams, 1981 | Anilocra haemuli | 19 |
| Mothocya halei Bruce, 1986 | Mothocya halei | 19 |
| Anilocra hedenborgi Bovallius, 1887 | Anilocra hedenborgi | 19 |
| Glossobius hemiramphi Williams & Williams, 1985 | Glossobius hemiramphi | 19 |
| Nerocila hemirhamphusi Shyamasundari, Hanumantha Rao & Jalaj Kumari, 1990 | Nerocila hemirhamphusi | 3113 |
| Cymothoa hermani Hadfield, Bruce & Smit, 2011 | Cymothoa hermani | 87953 |
| Nerocila heterozota Ahmed, 1970 | Nerocila heterozota | 19 |
| Renocila heterozota Bowman & Mariscal, 1968 | Renocila heterozota | 19 |
| Anilocra holacanthi Williams & Williams, 1981 | Anilocra holacanthi | 19 |
| Anilocra holocentri Williams & Williams, 1981 | Anilocra holocentri | 19 |
| Ichthyoxenos hsiakowensis Yu, 1935 | Ichthyoxenos hsiakowensis | 19 |
| Anilocra huacho Rokicki, 1984 | Anilocra huacho | 19 |
| Ceratothoa huttoni Filhol, 1885 | Ceratothoa huttoni | 19 |
| Anilocra ianhudsoni Welicky & Smit, 2019 | Anilocra ianhudsoni | 3477 |
| Cymothoa ianuarii Schioedte & Meinert, 1884 | Cymothoa ianuarii | 19 |
| Mothocya ihi Bruce, 1986 | Mothocya ihi | 19 |
| Oniscus imbricata Fabricius, 1775 | Ceratothoa imbricata | 3477 |
| Cymothoa indica Schioedte & Meinert, 1884 | Cymothoa indica | 19 |
| Norileca indica Milne-Edwards, 1840 | Norileca indica | 19 |
| Renocila indica Schioedte & Meinert, 1884 | Renocila indica | 19 |
| Telotha indica Nierstrasz, 1915 | Telotha indica | 3113 |
| Amblycephalon indicus Pillai, 1954 | Amblycephalon indicus | 19 |
| Plotor indus Schioedte & Meinert, 1881 | Plotor indus | 19 |
| Lathraena insidiosa Schioedte & Meinert, 1881 | Lathraena insidiosa | 19 |
| Livoneca intermedia Nierstrasz, 1931 | Livoneca intermedia | 3113 |
| Bambalocra intwala Bruce, Welicky, Hadfield & Smit, 2019 | Bambalocra intwala | 3477 |
| Cymothoa irregularis Bleeker, 1857 | Cymothoa irregularis | 19 |
| Ceratothoa italica Schioedte & Meinert, 1883 | Ceratothoa italica | 19 |
| Ichthyoxenos japonensis Richardson, 1913 | Ichthyoxenos japonensis | 19 |
| Nerocila japonica Schioedte & Meinert, 1881 | Nerocila japonica | 19 |
| Ichthyoxenos jellinghausii Herklots, 1870 | Ichthyoxenos jellinghausii | 19 |
| Anilocra jovanasi Welicky & Smit, 2019 | Anilocra jovanasi | 3477 |
| Anphira junki Araujo & Thatcher, 2003 | Anphira junki | 3113 |
| Mothocya karobran Bruce, 1986 | Mothocya karobran | 19 |
| Mothocya katoi Nunomura, 1992 | Mothocya katoi | 19 |
| Nerocila kisra Bowman & Tareen, 1983 | Nerocila kisra | 19 |
| Renocila kohnoi Williams & Williams, 1987 | Renocila kohnoi | 19 |
| Anilocra koolanae Bruce, 1987 | Anilocra koolanae | 19 |
| Pseudoirona laeopsi Pillai, 1964 | Pseudoirona laeopsi | 19 |
| Anilocra laevis Miers, 1877 | Anilocra laevis | 19 |
| Lobothorax laevis Richardson, 1910 | Lobothorax laevis | 19 |
| Olencira lamarckii Leach, 1818 | Olencira lamarckii | 19 |
| Ceratothoa laticauda Milne-Edwards, 1840 | Ceratothoa laticauda | 3113 |
| Cymothoa laticauda Milne-Edwards, 1840 | Cymothoa laticauda | 3113 |
| Anilocra leptosoma Bleeker, 1857 | Anilocra leptosoma | 19 |
| Cymothoa liannae Sartor & Pires, 1988 | Cymothoa liannae | 19 |
| Cymothoa limbata Schioedte & Meinert, 1884 | Cymothoa limbata | 19 |
| Nerocila livida Budde-Lund, 1908 | Nerocila livida | 19 |
| Nerocila lomatia Bruce, 1987 | Nerocila lomatia | 19 |
| Ichthyoxenos longenditus Shen, 1940 | Ichthyoxenos longenditus | 19 |
| Anilocra longicauda Schioedte & Meinert, 1881 | Anilocra longicauda | 19 |
| Mothocya longicopa Bruce, 1986 | Mothocya longicopa | 19 |
| Nerocila longispina Miers, 1880 | Nerocila longispina | 19 |
| Renocila loriae Williams & Bunkley-Williams, 1992 | Renocila loriae | 19 |
| Nerocila loveni Bovallius, 1887 | Nerocila loveni | 19 |
| Telotha lunaris Schioedte & Meinert, 1884 | Telotha lunaris | 3113 |
| Tetragonocephalon lutianus Avdeev, 1978 | Tetragonocephalon lutianus | 19 |
| Nerocila maculata Milne-Edwards, 1840 | Nerocila maculata | 8091 |
| Nerocila madrasensis Ramakrishna & Ramaniah, 1978 | Nerocila madrasensis | 19 |
| Asotana magnifica Thatcher, 1988 | Asotana magnifica | 19 |
| Agarna malayi Tiwari, 1952 | Agarna malayi | 19 |
| Cymothoa marginata Bleeker, 1857 | Cymothoa marginata | 19 |
| Lironeca menziesi Brusca, 1981 | Lironeca menziesi | 19 |
| Anilocra meridionalis Richardson, 1914 | Anilocra meridionalis | 19 |
| Artystone minima Thatcher & Carvalho, 1988 | Artystone minima | 19 |
| Ourozeuktes monacanthi Schioedte & Meinert, 1884 | Ourozeuktes monacanthi | 19 |
| Nerocila monodi Hale, 1940 | Nerocila monodi | 19 |
| Anilocra monoma Bowman & Tareen, 1983 | Anilocra monoma | 19 |
| Ichthyoxenos montanus Schioedte & Meinert, 1884 | Ichthyoxenos montanus | 19 |
| Anilocra montti Thatcher & Lobos, 2001 | Anilocra montti | 3113 |
| Anilocra morsicata Bruce, 1987 | Anilocra morsicata | 19 |
| Nerocila munda Harger, 1873 | Nerocila munda | 19 |
| Elthusa myripristae Bruce, 1990 | Elthusa myripristae | 19 |
| Anilocra myripristis Williams & Williams, 1981 | Anilocra myripristis | 19 |
| Riggia nana Szidat & Schubart, 1960 | Riggia nana | 19 |
| Braga nasuta Schioedte & Meinert, 1881 | Braga nasuta | 19 |
| Lobothorax nicosmiti Aneesh, Bruce & Kumar, 2021 | Lobothorax nicosmiti | 3477 |
| Cymothoa nigropunctata Risso, 1816 | Cymothoa nigropunctata | 19 |
| Cinusa nippon Nagasawa, 2021 | Cinusa nippon | 3477 |
| Ceratothoa novaezelandiae Filhol, 1885 | Ceratothoa novaezelandiae | 19 |
| Anilocra occidentalis Richardson, 1899 | Anilocra occidentalis | 19 |
| Cymothoa oculata Say, 1818 | Cymothoa oculata | 19 |
| Glossobius ogasawarensis Nunomura, 1992 | Glossobius ogasawarensis | 19 |
| Mothocya omidaptria Bruce, 1986 | Mothocya omidaptria | 19 |
| Ichthyoxenos opisthopterygium Ishii, 1916 | Ichthyoxenos opisthopterygium | 19 |
| Ichthyophilus orbignyi Guerin-Meneville, 1832 | Nerocila orbignyi | 3477 |
| Cymothoa ovalis Say, 1818 | Cymothoa ovalis | 19 |
| Renocila ovata Miers, 1880 | Renocila ovata | 19 |
| Ourozeuktes owenii Milne-Edwards, 1840 | Ourozeuktes owenii | 19 |
| Ceratothoa oxyrrhynchaena Koelbel, 1879 | Ceratothoa oxyrrhynchaena | 19 |
| Mothocya panamica Bruce, 1986 | Mothocya panamica | 19 |
| Elthusa parabothi Trilles & Justine, 2004 | Elthusa parabothi | 3477 |
| Cymothoa paradoxa Haller, 1880 | Cymothoa paradoxa | 19 |
| Riggia paranensis Szidat, 1948 | Riggia paranensis | 19 |
| Anilocra partiti Williams & Williams, 1981 | Anilocra partiti | 19 |
| Cymothoa parupenei Avdeev, 1979 | Cymothoa parupenei | 19 |
| Ceratothoa parva Richardson, 1910 | Ceratothoa parva | 19 |
| Paracymothoa parva Taberner, 1976 | Paracymothoa parva | 19 |
| Mothocya parvostis Bruce, 1986 | Mothocya parvostis | 19 |
| Braga patagonica Schioedte & Meinert, 1884 | Braga patagonica | 19 |
| Anilocra paulsikkeli Welicky & Smit, 2019 | Anilocra paulsikkeli | 3477 |
| Renocila periophthalma Stebbing, 1900 | Renocila periophthalma | 19 |
| Nerocila phaiopleura Bleeker, 1857 | Nerocila phaiopleura | 19 |
| Irona philippinensis Avdeev, 1973 | Irona philippinensis | 3113 |
| Nerocila pigmentata Bal & Joshi, 1959 | Nerocila pigmentata | 19 |
| Anilocra pilchardi Bariche & Trilles, 2006 | Anilocra pilchardi | 3113 |
| Idusa plagusiae Schioedte & Meinert, 1884 | Idusa plagusiae | 19 |
| Anilocra plebeia Schioedte & Meinert, 1881 | Anilocra plebeia | 19 |
| Cymothoa plebeia Schioedte & Meinert, 1884 | Cymothoa plebeia | 19 |
| Renocila plesiopi Bruce, 1987 | Renocila plesiopi | 19 |
| Anilocra pomacentri Bruce, 1987 | Anilocra pomacentri | 19 |
| Mothocya powelli van der Wal, Smit, Bruce, Olaosebikan & Hadfield, 2021 | Mothocya powelli | 3477 |
| Nerocila priacanthusi Jalaja Kumari, Hanumantha Rao & Shyam, 1988 | Nerocila priacanthusi | 3113 |
| Anilocra prionuri Williams & Bunkley-Williams, 1986 | Anilocra prionuri | 19 |
| Cymothoa propria Avdeev, 1979 | Cymothoa propria | 19 |
| Elthusa pseudorhombus Aneesh, Helna, Kumar & Trilles, 2020 | Elthusa pseudorhombus | 3477 |
| Cymothoa pulchrum Lanchester, 1902 | Cymothoa pulchrum | 19 |
| Nerocila pulicatensis Babu & Raj, 1980 | Nerocila pulicatensis | 19 |
| Renocila quadrata Bruce, 1991 | Renocila quadrata | 19 |
| Ichthyoxenos quadratus Shen, 1940 | Ichthyoxenos quadratus | 19 |
| Lironeca raynaudii Milne-Edwards, 1840 | Elthusa raynaudii | 3477 |
| Cymothoa recifea Thatcher & Fonseca, 2005 | Cymothoa recifea | 3113 |
| Anilocra recta Nierstrasz, 1915 | Anilocra recta | 19 |
| Cymothoa recta Dana, 1853 | Cymothoa recta | 19 |
| Nerocila recurvispina Schioedte & Meinert, 1881 | Nerocila recurvispina | 19 |
| Livoneca redmanii Leach, 1818 | Livoneca redmanii | 3113 |
| Cymothoa rhina Schioedte & Meinert, 1884 | Cymothoa rhina | 19 |
| Anilocra rhodotaenia Bleeker, 1857 | Anilocra rhodotaenia | 19 |
| Renocila richardsonae Williams & Bunkley-Williams, 1992 | Renocila richardsonae | 19 |
| Livoneca ricinoides in Risso, 1816 | Livoneca ricinoides | 3113 |
| Mothocya rosea Bruce, 1986 | Mothocya rosea | 19 |
| Cymothoa rotunda Avdeev, 1979 | Cymothoa rotunda | 19 |
| Elthusa rotunda Van der Wal, Smit & Hadfield, 2019 | Elthusa rotunda | 3477 |
| Cymothoa rotundifrons Haller, 1880 | Cymothoa rotundifrons | 19 |
| Mothocya sajori Bruce, 1986 | Mothocya sajori | 19 |
| Cterissa sakaii Williams & Williams, 1986 | Cterissa sakaii | 19 |
| Joryma sawayah Bowman & Tareen, 1983 | Joryma sawayah | 19 |
| Catoessa scabricauda Schioedte & Meinert, 1884 | Catoessa scabricauda | 19 |
| Cymothoa selari Avdeev, 1978 | Cymothoa selari | 19 |
| Nerocila serra Schioedte & Meinert, 1881 | Nerocila serra | 19 |
| Elthusa sigani Bruce, 1990 | Elthusa sigani | 19 |
| Nerocila sigani Bowman & Tareen, 1983 | Nerocila sigani | 19 |
| Telotha silurii Szidat & Schubart, 1960 | Telotha silurii | 3113 |
| Ichthyoxenos sinensis Shen, 1940 | Ichthyoxenos sinensis | 19 |
| Cymothoa slusarskii Rokicki, 1986 | Cymothoa slusarskii | 19 |
| Anilocra soelae Bruce, 1987 | Anilocra soelae | 19 |
| Cymothoa spinipalpa Thatcher, de Araújo, de Lima & Chellapa, 2007 | Cymothoa spinipalpa | 8090 |
| Ceratothoa springbok Hadfield & Smit, 2020 | Ceratothoa springbok | 3477 |
| Ceratothoa steindachneri Koelbel, 1879 | Ceratothoa steindachneri | 19 |
| Nerocila sundaica Bleeker, 1857 | Nerocila sundaica | 19 |
| Pleopodias superatus Williams & Bunkley-Williams, 1986 | Pleopodias superatus | 19 |
| Nerocila swainsoni Leach, 1818 | Nerocila swainsoni | 19 |
| Ichthyoxenos tchangi Yu, 1935 | Ichthyoxenos tchangi | 19 |
| Nerocila tenuipes Dana, 1853 | Nerocila tenuipes | 19 |
| Cinusa tetrodontis Schioedte & Meinert, 1884 | Cinusa tetrodontis | 19 |
| Paracymothoa tholoceps Bowman, 1986 | Paracymothoa tholoceps | 19 |
| Renocila thresherorum Williams & Williams, 1980 | Renocila thresherorum | 19 |
| Mothocya toyamaensis Nunomura, 1993 | Mothocya toyamaensis | 19 |
| Nerocila trivittata Milne-Edwards, 1840 | Nerocila trivittata | 19 |
| Anilocra tropica Avdeev, 1977 | Anilocra tropica | 19 |
| Lironeca tropicalis Menzies & Kruczynski, 1983 | Lironeca tropicalis | 19 |
| Cymothoa truncata Schioedte & Meinert, 1884 | Cymothoa truncata | 19 |
| Artystone trysibia Schioedte, 1866 | Artystone trysibia | 19 |
| Lobothorax typus Bleeker, 1857 | Lobothorax typus | 19 |
| Elthusa uranoscopus Aneesh, Helna, Kumar & Trilles, 2020 | Elthusa uranoscopus | 3477 |
| Cymothoa vicina Hale, 1926 | Cymothoa vicina | 19 |
| Pleopodias vigilans Richardson, 1911 | Pleopodias vigilans | 19 |
| Lironeca vulgaris Stimpson, 1857 | Lironeca vulgaris | 19 |
| Renocila waldneri Williams & Williams, 1980 | Renocila waldneri | 19 |
| Mothocya waminda Bruce, 1986 | Mothocya waminda | 19 |
| Elthusa xena Van der Wal, Smit & Hadfield, 2019 | Elthusa xena | 3477 |
| Mothocya xenobranchia Bruce, 1986 | Mothocya xenobranchia | 19 |
| Anphira xinguensis Thatcher, 1995 | Anphira xinguensis | 3113 |
| Renocila yamazatoi Williams & Williams, 1987 | Renocila yamazatoi | 19 |
| Ichthyoxenos yunnanensis Yu, 1935 | Ichthyoxenos yunnanensis | 19 |