• Acanthoatractis xinguensis Jesus & Melo in Jesus, Nandyara & Melo, 2024
• Acanthocheilus australis (Johnston & Mawson, 1945) accepted as Acanthocheilus rotundatus (Rudolphi, 1819) Chitwood, 1940
• Acanthocheilus bicuspis (Wedl, 1855) accepted as Acanthocheilus rotundatus (Rudolphi, 1819) Chitwood, 1940
• Acanthocheilus intermedius Örley, 1895 (uncertain > taxon inquirendum)
• Acanthocheilus nidifex Linton, 1901 accepted as Terranova nidifex (Linton, 1901) Johnston & Mawson, 1945
• Acanthocheilus quadridentatus Molin, 1858 accepted as Acanthocheilus rotundatus (Rudolphi, 1819) Chitwood, 1940
• Acanthocheilus rotundatus (Rudolphi, 1819) Chitwood, 1940
• Africana africana (Gendre, 1909)
• Africana bufonis Biswas & Chakravarty, 1963 (uncertain)
• Africana howardi Li, 1933 accepted as Meteterakis howardi (Li, 1933) Skrjabin, Schikhobalova & Lagodovskaja, 1961 accepted as Meteterakis japonica (Wilkie, 1930) Inglis, 1958
• Africana mabuyae Chakravarty, 1944 accepted as Meteterakis mabuyi (Chakravarty, 1944)
• Africana singaporensis Sandosham, 1954 accepted as Meteterakis singaporensis (Sandosham, 1954) Inglis, 1958
• Africana varani Maplestone, 1931 accepted as Meteterakis govindi Karve, 1930
• Agamascaris septentrionalis Kreis, 1952 (uncertain > nomen dubium)
• Agamonema flesi Linstow, 1878 (uncertain > taxon inquirendum)
• Agamonema infestans Christie, 1930 (uncertain > taxon inquirendum)
• Agamonema leuciscirutili Diesing, 1851 accepted as Raphidascaris (Raphidascaris) acus (Bloch, 1779) Railliet & Henry, 1915
• Agamonema migrans Christie, 1930 (uncertain > taxon inquirendum)
• Agamonematodum hospes von Linstow, 1882 (uncertain > taxon inquirendum)
• Agamonematodum necrophori von Linstow, 1878 (uncertain > taxon inquirendum)
• Agamonematodum vespillonis von Linstow, 1878 (uncertain > taxon inquirendum)
• Aliascaris aetoplatea Luo, 2001 accepted as Terranova aetoplatea (Luo, 2001) Li, Gibson & Zhang, 2016
• Aliascaris indica Kalyankar, 1971
• Alibagascaris pseudosciaenae Kalyankar, 1971
• Allodapa bolivari Lopez-Neyra, 1922 accepted as Subulura bolivari (Lopez-Neyra, 1922)
• Allodapa brumpti Lopez-Neyra, 1922 accepted as Subulura brumpti (Lopez-Neyra, 1922) Cram, 1926
• Allodapa noctuae Seurat, 1914 accepted as Subulura noctuae (Seurat, 1914)
• Allodapa skrjabini Semenoff, 1926 accepted as Subulura skrjabini (Semenoff, 1926)
• Amphicaecum parvum Chandler, 1935 (uncertain > taxon inquirendum)
• Amphicaecum regale Walton, 1927 (uncertain > taxon inquirendum)
• Amphisakis bengalensis Chakravarty & Majumdar, 1959 (uncertain > taxon inquirendum)
• Amplicaecum africanum Taylor, 1924 accepted as Orneoascaris chrysanthemoides Skrjabin, 1916
• Amplicaecum brumpti Khalil, 1926 accepted as Seuratascaris numidica (Seurat, 1917) Sprent, 1985
• Amplicaecum cacopi Chatterji, 1936 accepted as Seuratascaris numidica (Seurat, 1917) Sprent, 1985
• Amplicaecum causi Thwaite, 1926 accepted as Orneoascaris chrysanthemoides Skrjabin, 1916
• Amplicaecum colurum (Baylis, 1919) Baylis, 1920 accepted as Orneoascaris chrysanthemoides Skrjabin, 1916
• Amplicaecum communis Yuen, 1963 accepted as Seuratascaris numidica (Seurat, 1917) Sprent, 1985
• Amplicaecum gedoelsti Yorke & Maplestone, 1926 accepted as Orneoascaris chrysanthemoides Skrjabin, 1916
• Amplicaecum indica Srivastava & Gupta, 1975 (uncertain > nomen dubium)
• Amplicaecum involutum (Gedoelst, 1916) Yorke & Maplestone, 1926 accepted as Orneoascaris chrysanthemoides Skrjabin, 1916
• Amplicaecum mugili Gupta & Srivastava, 1984 (uncertain > nomen dubium)
• Amplicaecum novempapillatum Sandground, 1933 accepted as Orneoascaris novempapillatum (Sandground, 1933) Le Van Hoa, 1960 accepted as Orneoascaris chrysanthemoides Skrjabin, 1916
• Amplicaecum numidicum (Seurat, 1917) Chabaud & Campana-Rouget, 1955 accepted as Seuratascaris numidica (Seurat, 1917) Sprent, 1985
• Amplicaecum orientalis Wang, 1965 accepted as Ophidascaris orientalis (Wang, 1965) Sprent, 1988
• Amplicaecum orissai Gupta & Srivastava, 1984 (uncertain > nomen dubium)
• Amplicaecum pesterei Rasheed, 1965 accepted as Orneoascaris chrysanthemoides Skrjabin, 1916
• Amplicaecum ranae Gupta, 1959 accepted as Seuratascaris numidica (Seurat, 1917) Sprent, 1985
• Amplicaecum sandoshami Yuen, 1963 accepted as Orneoascaris sandoshami (Yuen, 1963) Sprent, 1984
• Amplicaecum schoutedeni Baylis, 1940 accepted as Orneoascaris schoutedeni (Baylis, 1940) Le Van Hoa, 1960
• Amplicaecum singhi Gupta & Gupta, 1979 accepted as Angusticaecum singhi (Gupta & Gupta, 1979) Soota, 1983
• Amplicaecum tetrodonti Gupta & Gupta, 1979 accepted as Angusticaecum tetrodonti (Gupta & Gupta, 1979) Soota, 1983
• Amplicaecum thapari Srivastava & Gupta, 1975 (uncertain > nomen dubium)
• Anacanthocheilus australis Johnston & Mawson, 1945 accepted as Pseudanisakis australis (Johnston & Mawson, 1945) Yamaguti, 1961 accepted as Acanthocheilus australis (Johnston & Mawson, 1945) accepted as Acanthocheilus rotundatus (Rudolphi, 1819) Chitwood, 1940
• Anacanthocheilus rajae (Yamaguti, 1941) Johnston & Mawson, 1945 accepted as Metanisakis rajae (Yamaguti, 1941) Mosgovoi, 1950 accepted as Eustoma rajae (Yamaguti, 1941) Hartwich, 1957 accepted as Pseudanisakis rajae (Yamaguti, 1941) Gibson, 1973
• Angusticaecum brevispiculum Chapin, 1924 accepted as Angusticaecum holopterum (Rudolphi, 1819) Baylis, 1920
• Angusticaecum holopterum (Rudolphi, 1819) Baylis, 1920
• Angusticaecum numidicum (Seurat, 1917) Baylis, 1920 accepted as Seuratascaris numidica (Seurat, 1917) Sprent, 1985
• Angusticaecum ranae Wang, Zhao & Chen, 1978 accepted as Seuratascaris ranae (Wang, Zhao & Chen, 1978) Chen & Li, 2022
• Angusticaecum singhi (Gupta & Gupta, 1979) Soota, 1983 (uncertain > taxon inquirendum)
• Angusticaecum tetrodonti (Gupta & Gupta, 1979) Soota, 1983 (uncertain > taxon inquirendum)
• Anisakis alata Hsü, 1933 accepted as Anisakis rosmari (Baylis, 1916) Baylis, 1920 accepted as Anisakis simplex sensu Davey, 1971
• Anisakis alexandri Hsü & Hoeppli, 1933 accepted as Anisakis typica (Diesing, 1860) Baylis, 1920
• Anisakis berlandi Mattiucci, Cipriani, Webb, Paoletti, Marcer, Bellisario, Gibson & Nascetti, 2014
• Anisakis brevispiculata Dollfus, 1966 accepted as Skrjabinisakis brevispiculata (Dollfus, 1966) Safonova, Voronova & Vainutis, 2021
• Anisakis catodontis Baylis, 1929 accepted as Anisakis simplex sensu Davey, 1971
• Anisakis diomedeae (Linstow) (uncertain > nomen dubium)
• Anisakis dussumierii (van Beneden, 1870) Baylis, 1920 (uncertain > taxon inquirendum)
• Anisakis insignis (Diesing, 1851) (uncertain > taxon inquirendum)
• Anisakis ivanizkii Mozgovoi, 1949 accepted as Anisakis simplex sensu Davey, 1971
• Anisakis kogiae Johnston & Mawson, 1939 accepted as Anisakis simplex sensu Davey, 1971
• Anisakis kuekenthalii (Cobb, 1889) Baylis, 1920 accepted as Anisakis simplex sensu Davey, 1971
• Anisakis kükenthalii (Cobb, 1889) Baylis, 1920 accepted as Anisakis kuekenthalii (Cobb, 1889) Baylis, 1920 accepted as Anisakis simplex sensu Davey, 1971
• Anisakis marina (Linnaeus, 1767) accepted as Anisakis simplex sensu Davey, 1971
• Anisakis marina van Thiel, 1966 accepted as Anisakis simplex sensu Davey, 1971
• Anisakis nascettii Mattiucci, Paoletti & Webb, 2009
• Anisakis oceanica (Johnston & Mawson, 1951) Davey, 1971
• Anisakis oceanicus (Johnston & Mawson, 1951) Davey, 1971 accepted as Anisakis oceanica (Johnston & Mawson, 1951) Davey, 1971
• Anisakis paggiae Mattiucci, Nascetti, Dailey, Webb, Barros, Cianchi & Bullini, 2005 accepted as Skrjabinisakis paggiae (Mattiucci, Nascetti, Dailey, Webb, Barros, Cianchi & Bullini, 2005) Safonova, Voronova & Vainutis, 2021
• Anisakis patagonica (von Linstow, 1880) accepted as Anisakis simplex sensu Davey, 1971
• Anisakis pegreffii Campana-Rouget & Biocca, 1955
• Anisakis physeteris Baylis, 1923 accepted as Skrjabinisakis physeteris (Baylis, 1923) Safonova, Voronova & Vainutis, 2021
• Anisakis rosmari (Baylis, 1916) Baylis, 1920 accepted as Anisakis simplex sensu Davey, 1971
• Anisakis salaris (Gmelin, 1790) Yamaguti, 1935 (uncertain > taxon inquirendum)
• Anisakis schupakovi Mosgovoi, 1951 accepted as Skrjabinisakis schupakovi Mozgovoy, 1951
• Anisakis similis (Baird, 1853) Baylis, 1920
• Anisakis simplex (Rudolphi, 1809) Dujardin, 1845
• Anisakis simplex sensu Davey, 1971 (temporary name)
• Anisakis simplex_A of Nascetti, Paggi, Orecchia, Smith, Matticucci & Bullini, 1986 accepted as Anisakis pegreffii Campana-Rouget & Biocca, 1955
• Anisakis simplex_C of Nascetti, Paggi, Orecchia, Smith, Mattiucci & Bullini, 1986 accepted as Anisakis berlandi Mattiucci, Cipriani, Webb, Paoletti, Marcer, Bellisario, Gibson & Nascetti, 2014
• Anisakis skrjabini Mozgovoi, 1949 accepted as Anisakis physeteris Baylis, 1923 accepted as Skrjabinisakis physeteris (Baylis, 1923) Safonova, Voronova & Vainutis, 2021
• Anisakis tridentata Kreis, 1939 accepted as Anisakis simplex sensu Davey, 1971
• Anisakis tursiopis Crusz, 1946 accepted as Anisakis typica (Diesing, 1860) Baylis, 1920
• Anisakis typica (Diesing, 1860) Baylis, 1920
• Anisakis typica var. indonesiensis Palm, Theisen, Damriyasa, Kusmintarsih, Oka, Setyowati, Suratma, Wibowo & Kleinertz, 2017
• Anisakis ziphidarum Paggi, Nascetti, Webb, Mattiucci, Cianchi & Bullini, 1988
• Aplectana acuminata (Schrank, 1788) Railiet & Henry, 1916
• Aplectana adaechevarriae Ramallo, Bursey & Goldberg, 2008
• Aplectana agubernaculum Gupta, 1960 accepted as Aplectana macintoshii (Stewart, 1914) Travassos, 1931
• Aplectana akhrami (Islam, Farooq & Khanum, 1979) Baker, 1987
• Aplectana albae Adamson & Baccam, 1988