Amphiascoides Nicholls, 1941 (original description)
Anoetostoma Womersley, 1941 accepted as Myianoetus Oudemans, 1929 (original description)
Austroxyuris Johnston & Mawson, 1938 (original description)
Belchiton Ashby & Cotton, 1939 † (original description)
Cridorsa Whitley, 1938 accepted as Kyphosus Lacepède, 1801 (original description)
Echinothrombium Womersley, 1937 (original description)
Eutrichothrombium Womersley, 1937 (original description)
Laminothrombium Womersley, 1937 (original description)
Lirachiton Ashby & Cotton, 1939 (original description)
Molachiton Ashby & Cotton, 1939 (original description)
Prophlias Nicholls, 1939 (original description)
Segnitila Cotton & Godfrey, 1938 (original description)