Acanthorhynchus Diesing, 1850 (original description)
Amphoteromorphus Diesing, 1850 (original description)
Aspidocotyle Diesing, 1850 (original description)
Baseodiscus Diesing, 1850 (original description)
Centrostomum Diesing, 1862 (original description)
Cephalolepta Diesing, 1850 (original description)
Cheilostomum Diesing, 1850 (original description)
Codonocephalus Diesing, 1850 (original description)
Colpocephalus Diesing, 1850 accepted as Nemertopsis Bürger, 1895 (original description)
Dactylogyrus Diesing, 1850 (original description)
Diclidophora Diesing, 1850 (original description)
Diplocotyle Diesing, 1850 (original description)
Discocotyle Diesing, 1850 (original description)
Eumicrostomum Diesing, 1850 (original description)
Eustemma Diesing, 1850 (original description)
Gyrocotyle Diesing, 1850 (original description)
Hemistomum Diesing, 1850 (original description)
Heterostomum Diesing, 1850 (original description)
Notocotyle Diesing, 1850 accepted as Notocotylus Diesing, 1839 (original description)
Octocotyle Diesing, 1850 accepted as Mazocraes Hermann, 1782 (original description)
Omatoplea Diesing, 1850 (original description)
Onchocotyle Diesing, 1850 accepted as Hexabothrium von Nordmann in Lamarck, 1840 (original description)
Pachybdella Diesing, 1850 accepted as Sacculina Thompson, 1836 (original description)
Peltidocotyle Diesing, 1850 (original description)
Peteromyzon Diesing, 1850 accepted as Petromyzon Linnaeus, 1758 (original description)
Piestocystis Diesing, 1850 (original description)
Pinacobdella Diesing, 1850 (original description)
Plagiopeltis Diesing, 1850 accepted as Hexostoma Rafinesque, 1815 (original description)
Plectanocotyle Diesing, 1850 (original description)
Podobdella Diesing, 1850 (original description)
Prostomum Diesing, 1850 accepted as Prostoma Dugès, 1828 (original description)
Pterobothrium Diesing, 1850 (original description)
Rhopalocerca Diesing, 1850 (original description)
Rhopalophorus Diesing, 1850 accepted as Rhopalias Stiles & Hassall, 1898 (original description)
Sciadocephalus Diesing, 1850 (original description)
Solenocotyle Diesing, 1850 (original description)
Stenobothrium Diesing, 1850 accepted as Tentacularia Bosc, 1797 (original description)
Synbothrium Diesing, 1850 accepted as Pterobothrium Diesing, 1850 (original description)
Trachelobdella Diesing, 1850 (original description)
Trochopus Diesing, 1850 (original description)
Tylodelphys Diesing, 1850 (original description)
Typhlobdella Diesing, 1850 (original description)
Zygobothrium Diesing, 1850 (original description)