Acanthuritrema Yamaguti, 1970 (original description)
Allodidymocodium Yamaguti, 1970 (original description)
Allopseudocolocyntotrema Yamaguti, 1970 (original description)
Alloschistorchis Yamaguti, 1970 (original description)
Anamonorchis Yamaguti, 1970 (original description)
Callodistomoides Yamaguti, 1970 accepted as Steringophorus Odhner, 1905 (original description)
Cephalolepidapedon Yamaguti, 1970 (original description)
Coeliodidymocystis Yamaguti, 1970 accepted as Didymocystis Ariola, 1902 (original description)
Cyatholecithochirium Yamaguti, 1970 (original description)
Cypseluritrema Yamaguti, 1970 accepted as Lecithostaphylus Odhner, 1911 (original description)
Cypseluritrematoides Yamaguti, 1970 accepted as Brachyenteron Manter, 1934 (original description)
Dermatodidymocystis Yamaguti, 1970 accepted as Platocystis Yamaguti, 1938 (original description)
Didymocodium Yamaguti, 1970 (original description)
Didymocystoides Yamaguti, 1970 accepted as Didymocystis Ariola, 1902 (original description)
Epithelionematobothrium Yamaguti, 1970 (original description)
Holacanthitrema Yamaguti, 1970 accepted as Bilacinia Manter, 1969 (original description)
Kamegaia Yamaguti, 1970 † accepted as Lobatozoum Ishii, 1935 (original description)
Koellikerioides Yamaguti, 1970 (original description)
Lagenocystis Yamaguti, 1970 † accepted as Didymocystis Ariola, 1902 (original description)
Lepidapedoides Yamaguti, 1970 (original description)
Maccallumtrema Yamaguti, 1970 (original description)
Makairatrema Yamaguti, 1970 accepted as Maccallumtrema Yamaguti, 1970 (original description)
Melanocystis Yamaguti, 1970 (original description)
Metadidymocystis Yamaguti, 1970 (original description)
Metadidymozoon Yamaguti, 1970 † (original description)
Metamegasolena Yamaguti, 1970 (original description)
Monolecithotrema Yamaguti, 1970 † (original description)
Neodidymozooides Yamaguti, 1970 accepted as Maccallumtrema Yamaguti, 1970 (original description)
Neodidymozoon Yamaguti, 1970 (original description)
Neometanematobothrioides Yamaguti, 1970 (original description)
Neonematobothrioides Yamaguti, 1970 (original description)
Neoparacardicola Yamaguti, 1970 (original description)
Nephrodidymotrema Yamaguti, 1970 † (original description)
Oesophagocystis Yamaguti, 1970 (original description)
Opepherocystis Yamaguti, 1970 (original description)
Opepherotrematoides Yamaguti, 1970 † (original description)
Opisthorchinematobothrium Yamaguti, 1970 (original description)
Orbitonematobothrium Yamaguti, 1970 (original description)
Osteodidymocodium Yamaguti, 1970 accepted as Allodidymocodium Yamaguti, 1970 (original description)
Patellokoellikeria Yamaguti, 1970 (original description)
Prolecithochirium Yamaguti, 1970 † (original description)
Pseudocolocyntotrema Yamaguti, 1970 (original description)
Pseudodinosoma Yamaguti, 1970 (original description)
Pseudopisthogonoporus Yamaguti, 1970 (original description)
Reniforma Yamaguti, 1970 accepted as Gonapodasmius Ishii, 1935 (original description)
Sicuotrema Yamaguti, 1970 † (original description)
Triplocystoides Yamaguti, 1970 accepted as Opepherotrematoides Yamaguti, 1970 † (original description)
Univitellannulocystis Yamaguti, 1970 accepted as Annulocystis Yamaguti, 1970 (original description)
Univitellodidymocystis Yamaguti, 1970 accepted as Didymocystis Ariola, 1902 (original description)