Andreina Brian, 1939 (original description)
Bakedebdella Sciacchitano, 1939 (original description)
Catolethrobius Voss, 1939 (original description)
Cylindrocossonus Voss, 1939 (original description)
Dartevellia Brian, 1939 (original description)
Dartevellida Sciacchitano, 1939 (original description)
Dundjibdella Sciacchitano, 1939 (original description)
Filigorgia Stiasny, 1937 (original description)
Ghesquierinia Barnes, 1939 (original description)
Heterocossonus Voss, 1939 accepted as Cossonus Schellenberg, 1798 (original description)
Loxodontofilaria Berghe & Gillain, 1939 accepted as Dipetalonema Diesing, 1861 (original description)
Matadibdella Sciacchitano, 1939 (original description)
Megommata Barnes, 1939 (original description)
Mongbwalubdella Sciacchitano, 1939 (original description)
Protamorphocerus Voss, 1939 (original description)
Pseudocatolethrus Voss, 1939 (original description)
Pseudostenotrupis Voss, 1939 accepted as Proeces Schönherr, 1837 (original description)
Strigomerodes Straneo, 1939 (original description)
Trigonobdella Sciacchitano, 1939 (original description)