Anas musicus accepted as Cygnus musicus Bechstein accepted as Cygnus cygnus (Linnaeus, 1758) (basis of record)
Baseodiscus Diesing, 1850 (original description)
Bodo acuminatus (Dujardin) Diesing (new combination reference)
Bodo crassicauda (Dujardin, 1841) Diesing, 1850 (new combination reference)
Bodo cylindrica (Dujardin, 1841) Diesing, 1850 (new combination reference)
Bodo decipiens Diesing, 1850 (original description)
Bodo detracta (Dujardin) Diesing, 1850 (new combination reference)
Bodo didymus Ehrenberg (ecology source)
Bodo dispar (Dujardin, 1841) Diesing, 1850 (new combination reference)
Bodo globulus (Dujardin, 1841) Diesing, 1850 (new combination reference)
Bodo inflata (Dujardin, 1841) Diesing, 1850 (new combination reference)
Bodo intestinalis Ehrenberg (ecology source)
Bodo lacryma (Dujardin, 1841) Diesing, 1850 (new combination reference)
Bodo longicauda (Dujardin, 1841) Diesing, 1850 (new combination reference)
Bodo nodulosa (Dujardin, 1841) Diesing, 1850 (new combination reference)
Bodo saltans Ehrenberg, 1832 (ecology source)
Bodo viridis (Dujardin) Diesing, 1850 accepted as Cercomonas viridis Dujardin, 1841 (new combination reference)
Bodo viridis Ehrenberg, 1832 (ecology source)
Ceratophorus Diesing, 1850 (original description)
Ceratophorus tridens (Ehrenberg) Diesing, 1850 (new combination reference)
Chlamydomonas tetrabaena Diesing, 1850 (original description)
Codonocephalus Diesing, 1850 (original description)
Cryptomonas acinus (Dujardin, 1841) Diesing, 1850 (new combination reference)
Cryptomonas purpurea (C.J.E.Morren) Diesing, 1850 (new combination reference)
Cryptomonas sulcata (Dujardin, 1841) Diesing, 1850 (ecology source)
Diplostomum petromyzifluviatilis Diesing, 1850 (basis of record)
Distoma serratum Diesing, 1850 accepted as Prionosoma serratum (Diesing, 1850) Dietz, 1909 accepted as Edietziana serratum (Diesing, 1850) Ozdikmen, 2013 (original description)
Distoma triangulare Diesing, 1850 accepted as Plagiorchis triangularis (Diesing, 1850) Braun, 1901 (original description)
Distomum Diesing, 1850 accepted as Distoma Retzius, 1786 (original description)
Distomum affine Diesing, 1850 accepted as Didymozoon tenuicolle (Rudolphi, 1819) Kossack, 1911 accepted as Koellikeria tenuicolle (Rudolphi, 1819) MacCallum & MacCallum, 1916 accepted as Neolamprididymozoon tenuicolle (Rudolphi, 1819) Wierzbicka, 1982 (original description)
Distomum annulatum Diesing, 1850 accepted as Echinostoma annulatum (Diesing, 1850) Cobbold, 1860 accepted as Himasthla annulata (Diesing, 1850) Stunkard, 1960 accepted as Caballerotrema annulatum (Diesing, 1850) Ostrowski de Núñez & Sattman, 2002 (original description)
Distomum baculus Diesing, 1850 accepted as Echinoparyphium baculus (Diesing, 1850) Lühe, 1909 (original description)
Distomum clava Diesing, 1850 accepted as Telorchis clava (Diesing, 1850) Lühe, 1899 (original description)
Distomum cochlear Diesing, 1850 accepted as Galactosomum cochlear (Diesing, 1850) Travassos, 1929 (original description)
Distomum dicorynum Diesing, 1850 accepted as Didymozoon tenuicolle (Rudolphi, 1819) Kossack, 1911 accepted as Koellikeria tenuicolle (Rudolphi, 1819) MacCallum & MacCallum, 1916 accepted as Neolamprididymozoon tenuicolle (Rudolphi, 1819) Wierzbicka, 1982 (original description)
Distomum dimorphum Diesing, 1850 accepted as Clinostomum dimorphum (Diesing, 1850) accepted as Ithyoclinostomum dimorphum (Diesing, 1850) Witenberg, 1925 (original description)
Distomum geniculatum Diesing, 1850 accepted as Distoma physophorae Koelliker, 1849 (original description)
Distomum incrassatum Diesing, 1850 accepted as Bashkirovitrema incrassatum (Diesing, 1850) Skrjabin, 1944 (original description)
Distomum insigne Diesing, 1850 accepted as Otodistomum veliporum (Creplin, 1837) Stafford, 1904 (original description)
Distomum lancea Diesing, 1850 accepted as Opisthorchis lancea (Diesing, 1850) accepted as Amphimerus lancea (Diesing, 1850) Barker, 1911 (original description)
Distomum obesum Diesing, 1850 accepted as Prosthenhystera obesa (Diesing, 1850) Travassos, 1922 (original description)
Fasciola aeglefini Müller, 1776 accepted as Podocotyle aeglefini (Müller, 1776) Yamaguti, 1954 accepted as Podocotyle simplex (Rudolphi, 1809) Srivastava, 1966 (source of synonymy)
Hemistomum Diesing, 1850 accepted as Diplostomum von Nordmann, 1832 (original description)
Hemistomum commutatum Diesing, 1850 accepted as Diplostomum commutatum (Diesing, 1850) Dubois, 1937 (original description)
Hemistomum spathaceum (Rudolphi, 1819) Diesing, 1850 accepted as Diplostomulum spathaceum (Rudolphi, 1819) accepted as Diplostomum spathaceum (Rudolphi, 1819) Olsson, 1876 (new combination reference)
Hemistomum trilobum (Rudolphi, 1819) Diesing, 1850 accepted as Diplostomum trilobum (Rudolphi, 1819) Ciurea, 1930 accepted as Hysteromorpha triloba (Rudolphi, 1819) Lutz, 1931 (new combination reference)
Heteraulacus Diesing, 1850 (original description)
Heteraulacus fuscus (Ehrenberg, 1834) Diesing, 1850 (new combination reference)
Heteraulacus monas (Ehrenberg) Diesing, 1850 (new combination reference)
Himantopus wilsonii (basis of record)
Monostomum cymbium Diesing, 1850 accepted as Neivaia cymbium (Diesing, 1850) Dubois, 1959 (original description)
Monostomum hippocrepis Diesing, 1850 accepted as Hippocrepis hippocrepis (Diesing, 1950) Travassos, 1922 (original description)
Notocotylus Diesing, 1839 (original description)
Notocotylus triserialis Diesing, 1839 accepted as Notocotylus attenuatus (Rudolphi, 1809) Kossack, 1911 (original description)
Pachybdella Diesing, 1850 accepted as Sacculina Thompson, 1836 (original description)
Pachybdella rathkei Diesing, 1850 accepted as Sacculina carcini Thompson, 1836 (original description)
Pentastomum bifurcatum Diesing, 1850 accepted as Raillietiella furcocercum (Diesing, 1836) (original description)
Pentastomum euryzonum Diesing, 1850 accepted as Armillifer armillatus (Wyman, 1845) (original description)
Pentastomum geckonis Diesing, 1850 accepted as Raillietiella geckonis (Diesing, 1850) (original description)
Pentastomum proboscideum var. coarctatum Diesing, 1850 accepted as Kiricephalus coarctatus (Diesing, 1850) (original description)
Pentastomum recurvatum Diesing, 1850 accepted as Linguatula recurvata (Diesing, 1850) (original description)
Salminus brevidens Cuvier, 1819 accepted as Salminus brasiliensis (Cuvier, 1816) (basis of record)
Temnocephala chilensis (Moquin-Tandon, 1846) Blanchard, 1849 (additional source)
Tylodelphys Diesing, 1850 (original description)
Tylodelphys clavata (von Nordmann, 1832) Diesing, 1850 (new combination reference)
Uvella bodo Ehrenberg (ecology source)