Acauda elongata (Kudo, 1920) (original description)
Ceratomyxa abbreviata Davis, 1917 (additional source)
Ceratomyxa acadiensis Mavor, 1915 (additional source)
Ceratomyxa agglomerata Davis, 1917 (additional source)
Ceratomyxa aggregata Davis, 1917 (additional source)
Ceratomyxa amorpha Davis, 1917 (additional source)
Ceratomyxa appendiculata Thélohan, 1892 (additional source)
Ceratomyxa arcuata Thélohan, 1895 (additional source)
Ceratomyxa attenuata Davis, 1917 (additional source)
Ceratomyxa coris Georgévitch, 1916 (additional source)
Ceratomyxa drepanopsettae Awerinzew, 1907 (additional source)
Ceratomyxa flagellifera Davis, 1917 (additional source)
Ceratomyxa globulifera Thélohan, 1895 (additional source)
Ceratomyxa herouardi Georgévitch, 1916 (additional source)
Ceratomyxa inaequalis Doflein, 1898 (additional source)
Ceratomyxa linospora Doflein, 1898 (additional source)
Ceratomyxa lunata Davis, 1917 (additional source)
Ceratomyxa mesospora Davis, 1917 (additional source)
Ceratomyxa monospora Davis, 1917 (additional source)
Ceratomyxa navicularia Davis, 1917 (additional source)
Ceratomyxa pallida Thélohan, 1895 (additional source)
Ceratomyxa ramosa Awerinzew, 1907 (additional source)
Ceratomyxa recurvata Davis, 1917 (additional source)
Ceratomyxa reticularis Thélohan, 1895 (additional source)
Ceratomyxa spari Awerinzew, 1913 (additional source)
Ceratomyxa sphaerulosa Thélohan, 1892 (additional source)
Ceratomyxa sphairophora Davis, 1917 (additional source)
Ceratomyxa spinosa Davis, 1917 accepted as Myxodavisia spinosa (Davis, 1917) (additional source)
Ceratomyxa streptospora Davis, 1917 (additional source)
Ceratomyxa taenia Davis, 1917 (additional source)
Ceratomyxa truncata Thélohan, 1895 (additional source)
Ceratomyxa tylosuri Awerinzew, 1913 (additional source)
Ceratomyxa undulata Davis, 1917 (additional source)
Chloromyxum catostomi Kudo, 1920 (original description)
Chloromyxum caudatum Thélohan, 1895 accepted as Caudomyxon caudatum (Thélohan, 1895) (additional source)
Chloromyxum clupeidae Hahn, 1917 accepted as Kudoa clupeidae (Hahn, 1917) (additional source)
Chloromyxum cristatum Léger, 1906 (additional source)
Chloromyxum diploxys (Gurley, 1893) (basis of record)
Chloromyxum dubium Auerbach, 1908 (basis of record)
Chloromyxum fluviatile Thélohan, 1892 (additional source)
Chloromyxum fujitai Kudo, 1916 (additional source)
Chloromyxum funduli Hahn, 1915 accepted as Kudoa funduli (Hahn, 1915) (additional source)
Chloromyxum granulosum Davis, 1917 (additional source)
Chloromyxum koi Fujita, 1913 accepted as Chloromyxum cristatum Léger, 1906 (additional source)
Chloromyxum leydigii Mingazzini, 1890 (additional source)
Chloromyxum magnum Awerinzew, 1913 (additional source)
Chloromyxum misgurni Kudo, 1916 (additional source)
Chloromyxum mucronatum Gurley, 1893 (additional source)
Chloromyxum protei Joseph, 1905 (additional source)
Chloromyxum quadratum Thélohan, 1895 accepted as Kudoa quadratum (Thélohan, 1895) (additional source)
Chloromyxum thymalli Lebzelter, 1912 (additional source)
Chloromyxum trijugum Kudo, 1920 (original description)
Chloromyxum truttae Léger, 1906 (additional source)
Chloromyxum wardi Kudo, 1920 (original description)
Henneguya acerinae Schröder, 1906 (basis of record)
Henneguya australis Johnston & Bancroft, 1918 (additional source)
Henneguya brachyura Ward, 1919 accepted as Unicauda brachyura (Ward, 1919) (additional source)
Henneguya brevis Thélohan, 1892 (additional source)
Henneguya creplini (Gurley, 1893) (additional source)
Henneguya gasterostei Parisi, 1912 accepted as Myxobilatus gasterostei (Parisi, 1912) (basis of record)
Henneguya gigantea Nemeczek, 1911 (basis of record)
Henneguya gracilis Johnston & Bancroft, 1919 (additional source)
Henneguya gurleyi Kudo, 1920 (original description)
Henneguya kolesnikovi (Gurley, 1893) (additional source)
Henneguya legeri Cépède, 1906 accepted as Myxobilatus legeri (Cépède, 1906) (basis of record)
Henneguya linearis (Gurley, 1893) (additional source)
Henneguya lobosa (Cohn, 1895) (additional source)
Henneguya macrura (Gurley, 1893) accepted as Unicauda macrura (Gurley, 1893) (basis of record)
Henneguya media Thélohan, 1892 accepted as Myxobilatus medius (Thélohan, 1892) (additional source)
Henneguya mictospora Kudo, 1920 accepted as Myxobilatus mictosporus (Kudo, 1920) (original description)
Henneguya minuta (Cohn, 1895) (additional source)
Henneguya miyairii Kudo, 1920 (original description)
Henneguya monura (Gurley, 1893) (additional source)
Henneguya neapolitana Parisi, 1912 (additional source)
Henneguya nüsslini Schuberg & Schröder, 1905 accepted as Henneguya nuesslini Schuberg & Schröder, 1905 (basis of record)
Henneguya oviperda (Cohn, 1895) (additional source)
Henneguya periintestinalis Cépède, 1906 (new combination reference)
Henneguya psorospermica Thélohan, 1892 (additional source)
Henneguya salminicola Ward, 1919 (additional source)
Henneguya schizura (Gurley, 1893) (additional source)
Henneguya strongylura (Gurley, 1893) accepted as Unicauda strongylura (Gurley, 1893) (additional source)
Henneguya tenuis Vaney & Conte, 1901 (additional source)
Henneguya texta (Cohn, 1895) (additional source)
Henneguya wisconsinensis Mavor & Strasser, 1916 accepted as Myxobilatus wisconsinensis (Mavor & Strasser, 1916) (basis of record)
Henneguya zschokkei (Gurley, 1893) (basis of record)
Hoferellus caudatus (Parisi, 1910) (additional source)
Hoferellus cyprini (Doflein, 1898) (new combination reference)
Lentospora acuta (Fujita, 1912) accepted as Myxobolus acutus (Fujita, 1912) (new combination reference)
Lentospora asymmetrica Parisi, 1912 accepted as Myxobolus asymmetricus (Parisi, 1912) (additional source)
Lentospora cerebralis (Hofer, 1903) accepted as Myxobolus cerebralis Hofer, 1903 (additional source)
Lentospora dermatobia Ishii, 1915 accepted as Myxobolus dermatobius (Ishii, 1915) (additional source)
Lentospora encephalina Mulsow, 1911 accepted as Myxobolus encephalicus (Mulsow, 1911) (basis of record)
Lentospora multiplacata Reuss, 1906 accepted as Myxobolus multiplicatus (Reuss, 1906) (additional source)
Leptotheca agilis (Thélohan, 1892) accepted as Ceratomyxa agilis Thélohan, 1892 (additional source)
Leptotheca elongata Thélohan, 1895 accepted as Ceratomyxa elongata (Thélohan, 1895) (additional source)
Leptotheca fusiformis Davis, 1917 accepted as Ellipsomyxa fusiformis (Davis, 1917) (additional source)
Leptotheca glomerosa Davis, 1917 accepted as Sphaerospora glomerosa (Davis, 1917) (additional source)
Leptotheca hepseti Thélohan, 1895 accepted as Ceratomyxa hepseti (Thélohan, 1895) (additional source)
Leptotheca informis Auerbach, 1910 accepted as Ceratomyxa informis (Auerbach, 1910) (additional source)
Leptotheca lobosa Davis, 1917 accepted as Sphaerospora lobosa (Davis, 1917) (additional source)

Illinois for Acauda elongata (Kudo, 1920) 
Japan for Mitraspora cyprini Fujita, 1912