• Abathymermis acuticauda Rubzov, 1974: endoparasitic
• Abathymermis adventitia Rubzov & Kokordyak, 1973: endoparasitic
• Abathymermis arenaria (Coman, 1961) Rubzov, 1971: endoparasitic
• Abathymermis bissacea Rubzov, 1973: endoparasitic
• Abathymermis bissoidea Rubzov, 1972: endoparasitic
• Abathymermis brevicauda (Rubzov, 1972): endoparasitic
• Abathymermis fiseri Johnson & Kleve, 1995: endoparasitic
• Abathymermis ivaschkini Gafurov, 1980: endoparasitic
• Abathymermis microamphidis Rubzov, 1972: endoparasitic
• Abathymermis oesophaga Gafurov & An, 1989: endoparasitic
• Abathymermis ovtschinnikovi Ipatjeva & Pimenova, 1980: endoparasitic
• Abathymermis oxycerca (Steiner, 1929): endoparasitic
• Abathymermis parvula Rubzov, 1976: endoparasitic
• Abathymermis shocki Johnson & Kleve, 1995: endoparasitic
• Abathymermis tenuicauda (Rubzov, 1967): endoparasitic
• Abbreviata (Abbreviata) kazachstanica Markov & Paraskiv, 1956: endoparasitic
• Abbreviata baltazardi Chabaud, 1953: endoparasitic
• Aberrapex arrhynchum (Brooks, Mayes & Thorson, 1981) Jensen, 2001: endoparasitic
• Aberrapex catarinensis Quadros, 2024: endoparasitic
• Aberrapex ludmilae Menoret, Mutti & Ivanov, 2017: endoparasitic
• Aberrapex manjajiae Jensen, 2006: endoparasitic
• Aberrapex panamensis Quadros, 2024: endoparasitic
• Aberrapex sanmartini Menoret, Mutti & Ivanov, 2017: endoparasitic
• Aberrapex senticosus Jensen, 2001: endoparasitic
• Aberrapex vitalemuttiorum Menoret, Mutti & Ivanov, 2017: endoparasitic
• Aberrapex weipaensis Koch, Jensen & Caira, 2012: endoparasitic
• Abuladzugnia gutterae (Ortlepp, 1963) Spasskii, 1973: endoparasitic
• Abyssopedunculus brevis (Andres & Overstreet, 2013) Martin, Huston, Cutmore & Cribb, 2019: endoparasitic
• Acaenodera nautili Bray & Justine, 2011: endoparasitic
• Acaenodera placophora Manter & Pritchard, 1960: endoparasitic
• Acaenodera spinosior Etchegoin, Lanfranchi, Cremonte & Timi, 2006: endoparasitic
• Acanthatrium alicatai Macy, 1940: endoparasitic
• Acanthatrium eptesici Alicata, 1932: endoparasitic
• Acanthatrium fugleri Marshall & Miller, 1979: endoparasitic
• Acanthatrium hitaensis Koga, 1953: endoparasitic
• Acanthatrium japonicum (Yamaguti, 1939) Skarbilovich, 1948: endoparasitic
• Acanthatrium lunatum Williams, 1960: endoparasitic
• Acanthatrium microcanthum Macy, 1940: endoparasitic
• Acanthatrium molossidis Martin, 1934: endoparasitic
• Acanthatrium nycteridis Faust, 1919: endoparasitic
• Acanthatrium oregonense Macy, 1939: endoparasitic
• Acanthatrium ovatum Yamaguti, 1939: endoparasitic
• Acanthatrium pipistrelli Macy, 1940: endoparasitic
• Acanthatrium sphaerula (Looss, 1896) Travassos, 1921: endoparasitic
• Acanthoatractis xinguensis Jesus & Melo in Jesus, Nandyara & Melo, 2024: endoparasitic
• Acanthobothrium adlardi Campbell & Beveridge, 2002: endoparasitic
• Acanthobothrium aetiobatidis (Shipley, 1900) Southwell, 1925: endoparasitic
• Acanthobothrium amazonense Mayes, Brooks & Thorson, 1978: endoparasitic
• Acanthobothrium americanum Campbell, 1969: endoparasitic
• Acanthobothrium angelae Campbell & Beveridge, 2002: endoparasitic
• Acanthobothrium annapinkiense Carvajal & Goldstein, 1971: endoparasitic
• Acanthobothrium arlenae Campbell & Beveridge, 2002: endoparasitic
• Acanthobothrium asnihae Fyler & Caira, 2006: endoparasitic
• Acanthobothrium asrinae Maleki, Malek & Palm, 2015: endoparasitic
• Acanthobothrium atahualpai Marques, Brooks & Barringa, 1978: endoparasitic
• Acanthobothrium aurangabadensis (Deshmukh & Shinde, 1975): endoparasitic
• Acanthobothrium australe Robinson, 1965: endoparasitic
• Acanthobothrium bajaense Appy & Dailey, 1973: endoparasitic
• Acanthobothrium bartonae Campbell & Beveridge, 2002: endoparasitic
• Acanthobothrium barusi Pramanik & Manna, 2010: endoparasitic
• Acanthobothrium batailloni Euzet, 1955: endoparasitic
• Acanthobothrium benedenii Lönnberg, 1889: endoparasitic
• Acanthobothrium bengalense Baer & Euzet, 1962: endoparasitic
• Acanthobothrium beveridgei Polyakova, 2009: endoparasitic
• Acanthobothrium bifurcatum (Leuckart, 1819): endoparasitic
• Acanthobothrium blairi Campbell & Beveridge, 2002: endoparasitic
• Acanthobothrium bobconniorum Fyler & Caira, 2010: endoparasitic
• Acanthobothrium brachyacanthum Riser, 1955: endoparasitic
• Acanthobothrium brayi Campbell & Beveridge, 2002: endoparasitic
• Acanthobothrium brevissime Linton, 1909: endoparasitic
• Acanthobothrium bullardi Ghoshroy & Caira, 2001: endoparasitic
• Acanthobothrium cairae Vardo-Zalik & Campbell, 2011: endoparasitic
• Acanthobothrium campbelli Marques, Brooks & Monks, 1995: endoparasitic
• Acanthobothrium cannoni Campbell & Beveridge, 2002: endoparasitic
• Acanthobothrium carolinae Franzese & Ivanov, 2020: endoparasitic
• Acanthobothrium cartagenense Brooks & Mayes, 1980: endoparasitic
• Acanthobothrium chabahariense Maleki, Malek & Rastgoo, 2018: endoparasitic
• Acanthobothrium chengi Cornford, 1974: endoparasitic
• Acanthobothrium chilense Rego, Vincente & Herrera, 1968: endoparasitic
• Acanthobothrium chiloscylli Gangadharam & Vijaya Lakshmi, 2004: endoparasitic
• Acanthobothrium chisholmae Campbell & Beveridge, 2002: endoparasitic
• Acanthobothrium cimari Marques, Brooks & Monks, 1995: endoparasitic
• Acanthobothrium clarkeae Campbell & Beveridge, 2002: endoparasitic
• Acanthobothrium cleofanus Monks, Brooks & Perez-Ponce de Leon, 1996: endoparasitic
• Acanthobothrium colombianum Brooks & Mayes, 1980: endoparasitic
• Acanthobothrium confusum Baer & Euzet, 1962: endoparasitic
• Acanthobothrium coquimbense Carvajal & Jeges, 1980: endoparasitic
• Acanthobothrium coronatum (Rudolphi, 1819) Blanchard, 1848: endoparasitic
• Acanthobothrium costarricense Marques, Brooks & Monks, 1995: endoparasitic
• Acanthobothrium crassicolle Wedl, 1855: endoparasitic
• Acanthobothrium crassum Van Der Spuy, Smit & Schaeffner, 2020: endoparasitic
• Acanthobothrium cribbi Campbell & Beveridge, 2002: endoparasitic
• Acanthobothrium dasi Ghoshroy & Caira, 2001: endoparasitic
• Acanthobothrium dasybati Yamaguti, 1934: endoparasitic
• Acanthobothrium dighaense Srivastava & Capoor, 1980: endoparasitic
• Acanthobothrium dolichocollum Van Der Spuy, Smit & Schaeffner, 2020: endoparasitic
• Acanthobothrium dollyae Caira & Burge, 2001: endoparasitic
• Acanthobothrium domingae Franzese & Ivanov, 2020: endoparasitic
• Acanthobothrium dujardinii Van Beneden, 1850: endoparasitic
• Acanthobothrium dysbiotos (MacCallum, 1921) Williams, 1969: endoparasitic