• Amphibiocapillaria tritonispunctati (Diesing, 1851)
• Aonchotheca pulchra (Freitas, 1943) Ferreira Cardia, Lux Hoppe, Tebaldi, Fornazari, Menozzi, Langoni, do Nascimento & Saraiva Bresciani, 2014
• Aonchotheca yannickchavali Veciana, Chaisiri, Morand & Ribas, 2016
• Baruscapillaria appendiculata (Freitas, 1933) Moravec, 1982
• Baruscapillaria kamanae Presswell & Bennett, 2022
• Baruscapillaria obsignata (Madsen, 1945) Moravec, 1982
• Baruscapillaria rudolphii Moravec, Scholz & Našincová, 1994
• Baruscapillaria spiculata (Freitas, 1933) Moravec, 1982
• Capillaria (Capillaria) appendigera Moravec & Barton, 2018
• Capillaria (Hepatocapillaria) cyprinodonticola Huffman & Bullock, 1973
• Capillaria (Neocapillaria) carioca Freitas & Lent, 1935
• Capillaria (Neocapillaria) cooperi Johnston & Mawson, 1945
• Capillaria (Neocapillaria) hakofugu Araki & Machida, 1991
• Capillaria (Neocapillaria) plectropomi Moravec & Justine, 2015
• Capillaria (Neocapillaria) wickinsi Ogden, 1965
• Capillaria (Procapillaria) appendigera Moravec & Barton, 2017
• Capillaria (Procapillaria) gracilis (Bellingham, 1840) Travassos, 1915
• Capillaria (Procapillaria) margolisi Moravec & McDonald, 1981
• Capillaria (Procapillaria) navoneae Timi, Rossin & Lanfranchi, 2006
• Capillaria (Procapillaria) schmidti Arya, 1985
• Capillaria acanthopagri Moravec, Nagasawa & Madinabeita, 2010
• Capillaria acerinae Thieme, 1961 accepted as Schulmanela petruschewskii (Schulman, 1948) Ivashkin, 1964
• Capillaria adriatica Nikolaeva & Naidenova, 1964 accepted as Pseudocapillaria adriatica (Nikolaeva & Naidenova, 1964) represented as Pseudocapillaria (Ichthyocapillaria) adriatica (Nikolaeva & Naidenova, 1964) Moravec, 1982
• Capillaria amurensis Finogenova, 1967 accepted as Pseudocapillaria (Pseudocapillaria) tomentosa (Dujardin, 1843) Lomakin & Trofimenko, 1982
• Capillaria anatis (Schrank, 1790)
• Capillaria annulata (Molin, 1858) Cram, 1926
• Capillaria appendiculata Freitas, 1933 accepted as Baruscapillaria appendiculata (Freitas, 1933) Moravec, 1982
• Capillaria ariusi (Parukhin, 1989) Arthur & Te, 2006
• Capillaria baicalensis Ryzhikov & Sudarikov, 1953 accepted as Pseudocapillaria (Ichthyocapillaria) salvelini (Polyanski, 1952) Moravec, 1982
• Capillaria bainae Justine & Radjuković, 1988 accepted as Pseudocapillaria bainae (Justine & Radujkovic, 1988) represented as Pseudocapillaria (Pseudocapillaria) bainae (Justine & Radjuković, 1988) Moravec, 1990
• Capillaria bakeri Mueller & Van Cleave, 1932 accepted as Pseudocapillaria (Pseudocapillaria) tomentosa (Dujardin, 1843) Lomakin & Trofimenko, 1982
• Capillaria carangi Parukhin, 1971 accepted as Pseudocapillaria (Pseudocapillaria) carangi (Parukhin, 1971) Moravec, 1982
• Capillaria catostomi Pearse, 1924 accepted as Pseudocapillaria (Pseudocapillaria) tomentosa (Dujardin, 1843) Lomakin & Trofimenko, 1982
• Capillaria columbae Rudolphi, 1819
• Capillaria contorta (Creplin, 1839)
• Capillaria cooperi Johnston & Mawson, 1945 accepted as Capillaria (Neocapillaria) cooperi Johnston & Mawson, 1945
• Capillaria coregoni Shulman-Alboa, 1953 accepted as Pseudocapillaria (Ichthyocapillaria) salvelini (Polyanski, 1952) Moravec, 1982
• Capillaria curilica Zhukov, 1960 accepted as Pseudocapillaria (Ichthyocapillaria) salvelini (Polyanski, 1952) Moravec, 1982
• Capillaria decapteri Luo, 2001 accepted as Pseudocapillaria decapteri (Luo, 2001) Moravec & Justine, 2010
• Capillaria echenei Parukhin, 1967 accepted as Pseudocapillaria echenei (Parukhin, 1967) Moravec, 1982 represented as Pseudocapillaria (Pseudocapillaria) echenei (Parukhin, 1967) Moravec, 1982
• Capillaria ellisi Johnston & Mawson, 1945
• Capillaria eupomotis Ghittino, 1961 accepted as Schulmanela petruschewskii (Schulman, 1948) Ivashkin, 1964
• Capillaria freemani Moravec, Margolis & McDonald, 1981 accepted as Piscicapillaria (Piscicapillaria) freemani (Moravec, Margolis & McDonald, 1981) Moravec, 1982
• Capillaria fritschi Travassos, 1914 accepted as Capillostrongyloides fritschi (Travassos, 1914) Moravec, 1982
• Capillaria fudingensis Wang, 1982 (uncertain > taxon inquirendum)
• Capillaria gobionina Lomakin, 1971 accepted as Pseudocapillaria (Pseudocapillaria) tomentosa (Dujardin, 1843) Lomakin & Trofimenko, 1982
• Capillaria gracilis (Bellingham, 1840) accepted as Capillaria (Procapillaria) gracilis (Bellingham, 1840) Travassos, 1915
• Capillaria hathawayi Read, 1928 accepted as Piscicapillaria (Piscicapillaria) hathawayi (Read, 1948) Moravec, 1987
• Capillaria helenae Layman, 1930 accepted as Paracapillaria (Paracapillaria) helenae (Layman, 1930) Mendonça, 1963
• Capillaria hispida Finogenova in Bykhovskaya-Pavlovskaya et al., 1962 accepted as Pseudocapillaria (Ichthyocapillaria) salvelini (Polyanski, 1952) Moravec, 1982
• Capillaria jaenschi Johnston & Mawson, 1945
• Capillaria kabatai Ingles & Coles, 1963 accepted as Capillaria (Procapillaria) gracilis (Bellingham, 1840) Travassos, 1915
• Capillaria khalili Arya, 1994
• Capillaria latridopsis Johnston & Mawson, 1945 accepted as Gessyella latridopsis (Johnston & Mawson, 1945) Freitas, 1959
• Capillaria lepidopodis Johnston & Mawson, 1944 (uncertain > taxon inquirendum)
• Capillaria leucisci Hesse, 1923 accepted as Pseudocapillaria (Pseudocapillaria) tomentosa (Dujardin, 1843) Lomakin & Trofimenko, 1982
• Capillaria lewaschoffi Heinze, 1933 accepted as Pseudocapillaria (Pseudocapillaria) tomentosa (Dujardin, 1843) Lomakin & Trofimenko, 1982
• Capillaria magalhaesi Lent & Fretias, 1937 accepted as Pseudocapillaria (Pseudocapillaria) magalhaesi (Lent & Freitas, 1937) Moravec, 1987
• Capillaria merluccii Reimer, 1991 accepted as Capillaria (Procapillaria) gracilis (Bellingham, 1840) Travassos, 1915
• Capillaria microspicula Mamaev, Parukhin & Baeva, 1963 accepted as Pseudocapillaria (Pseudocapillaria) microspicula (Mamaev, Parukhin & Baeva, 1963) Moravec, 1982
• Capillaria murrayensis Johnston & Mawson, 1940 accepted as Paracapillaria (Paracapillaria) plectroplites (Johnston & Mawson, 1940) Moravec, 1987
• Capillaria namibiensis Reimer, 1993 (uncertain > nomen dubium)
• Capillaria navoneae Timi, Rossin & Lanfranchi, 2006 accepted as Capillaria (Procapillaria) navoneae Timi, Rossin & Lanfranchi, 2006
• Capillaria obsignata Madsen, 1945 accepted as Baruscapillaria obsignata (Madsen, 1945) Moravec, 1982
• Capillaria orectolobi Johnston & Mawson, 1951 accepted as Piscicapillaria (Piscicapillaria) orectolobi (Johnston & Mawson, 1951) Moravec, 1987
• Capillaria parophrysi Moravec, Margolis & McDonald, 1981 accepted as Paracapillaria (Paracapillaria) parophrysi (Moravec, Margolis & McDonald, 1981) Moravec, 1982
• Capillaria physiculi Johnston & Mawson, 1945 accepted as Capillostrongyloides physiculi (Johnston & Mawson, 1945) Moravec, 1987
• Capillaria plectroplites Johnston & Mawson, 1940 accepted as Paracapillaria (Paracapillaria) plectroplites (Johnston & Mawson, 1940) Moravec, 1987
• Capillaria pseudorasborae Wang, Zhao & Chen, 1978 accepted as Pseudocapillaria (Pseudocapillaria) tomentosa (Dujardin, 1843) Lomakin & Trofimenko, 1982
• Capillaria pulchra Fretais, 1934 accepted as Aonchotheca pulchra (Freitas, 1943) Ferreira Cardia, Lux Hoppe, Tebaldi, Fornazari, Menozzi, Langoni, do Nascimento & Saraiva Bresciani, 2014
• Capillaria rutili Zakhvatkin & Azheganova, 1940 accepted as Pseudocapillaria (Pseudocapillaria) tomentosa (Dujardin, 1843) Lomakin & Trofimenko, 1982
• Capillaria salvelini Poljanski, 1952 accepted as Pseudocapillaria (Ichthyocapillaria) salvelini (Polyanski, 1952) Moravec, 1982
• Capillaria sphyraeni Parukhin, 1971 accepted as Pseudocapillaria sphyraeni (Parukhin, 1971) Moravec, 1982 accepted as Pseudocapillaria (Pseudocapillaria) sphyraeni (Parukhin, 1971) Moravec, 1982 accepted as Lobocapillaria sphyraeni (Parukhin, 1971) Moravec & Beveridge, 2017
• Capillaria spiculata Freitas, 1933 accepted as Baruscapillaria spiculata (Freitas, 1933) Moravec, 1982
• Capillaria spinosa MacCallum, 1926 accepted as Huffmanela carcharhini (MacCallum, 1926) Moravec, 1987
• Capillaria spyraeni Parukhin, 1971 accepted as Lobocapillaria spyraeni (Parukhin, 1971) Moravec & Beveridge, 2017
• Capillaria tasmanica Johnston & Mawson, 1945 accepted as Capillostrongyloides tasmanica (Johnston & Mawson, 1945) Moravec, 1987
• Capillaria ugui Yamaguti, 1941 accepted as Pseudocapillaria (Pseudocapillaria) tomentosa (Dujardin, 1843) Lomakin & Trofimenko, 1982
• Capillaria wickinsi Ogden, 1965 accepted as Capillaria (Neocapillaria) wickinsi Ogden, 1965
• Capillaria yamagutii Tadros & Mahmoud, 1968 accepted as Capillostrongyloides fritschi (Travassos, 1914) Moravec, 1982
• Capillostrongyloides ancistri Moravec, Gelnar & Řehulka, 1987
• Capillostrongyloides arapaimae Santos, Moravec & Venturieri, 2022
• Capillostrongyloides congiopodi Cantatore, Rossin, Lanfranchi & Timi, 2009
• Capillostrongyloides fritschi (Travassos, 1914) Moravec, 1982
• Capillostrongyloides morae Gonzalez Solis, Carrasson & Perez del Olmo, 2014
• Capillostrongyloides norvegica Moravec & Karlsbakk, 2000
• Capillostrongyloides physiculi (Johnston & Mawson, 1945) Moravec, 1987
• Capillostrongyloides sentinosa (Travassos, 1927)
• Capillostrongyloides tandani (Johnston & Mawson, 1940)
• Capillostrongyloides tasmanica (Johnston & Mawson, 1945) Moravec, 1987
• Crocodylocapillaria longiovata Moravec & Spratt, 1998
• Cystoopsis acipenseris Wagner, 1867
• Cystoopsis scomber Zlatev, 1936 (uncertain > taxon inquirendum)
• Freitascapillaria maxillosa (Vaz & Pereira, 1934) Moravec, 1982
• Gessyella latridopsis (Johnston & Mawson, 1945) Freitas, 1959
• Hepaticola petruschewskii Shulman, 1948 accepted as Schulmanela petruschewskii (Schulman, 1948) Ivashkin, 1964
• Huffmanela balista Justine, 2007
• Huffmanela banningi Moravec, 1987
• Huffmanela branchialis Justine, 2004
• Huffmanela canadensis Moravec, Conboy & Speare, 2005