Acleotrema Johnston & Tiegs, 1922 (original description)
Anchylodiscus Johnston & Tiegs, 1922 (original description)
Apheloscyta Tillyard, 1922 † (original description)
Bathymeria Muir, 1922 accepted as Cajeta Stål, 1866 (original description)
Cathariotrema Johnston & Tiegs, 1922 (original description)
Daitreosoma Johnston & Tiegs, 1922 accepted as Protogyrodactylus Johnston & Tiegs, 1922 (original description)
Dionchotrema Johnston & Tiegs, 1922 (original description)
Diplectanotrema Johnston & Tiegs, 1922 (original description)
Empleurodiscus Johnston & Tiegs, 1922 (original description)
Empleurosoma Johnston & Tiegs, 1922 (original description)
Empruthotrema Johnston & Tiegs, 1922 (original description)
Eucistela Carter, 1922 accepted as Paromarteon Blackburn, 1897 (original description)
Flabellodiscus Johnston & Tiegs, 1922 (original description)
Gastridiota Turner, 1922 (original description)
Haliotrema Johnston & Tiegs, 1922 (original description)
Ipsviciopsis Tillyard, 1922 † (original description)
Lamellodiscus Johnston & Tiegs, 1922 (original description)
Lepidotes Johnston & Tiegs, 1922 (original description)
Lepidotrema Johnston & Tiegs, 1922 (original description)
Mallodeta Turner, 1922 (original description)
Mesocixiodes Tillyard, 1922 † (original description)
Parabelmontia Tillyard, 1922 † (original description)
Paragymnastes Alexander, 1922 (original description)
Permithone Tillyard, 1922 † (original description)
Pincombea Tillyard, 1922 † (original description)
Polycytella Tillyard, 1922 † (original description)
Protogyrodactylus Johnston & Tiegs, 1922 (original description)
Protomicrocotyle Johnston & Tiegs, 1922 (original description)
Sthenadelpha Turner, 1922 (original description)
Tanystola Turner, 1922 (original description)
Triassagrion Tillyard, 1922 † (original description)
Triassocoris Tillyard, 1922 † (original description)
Triassolocusta Tillyard, 1922 † (original description)
Triassomantis Tillyard, 1922 † (original description)
Triassophlebia Tillyard, 1922 † (original description)
Triassopsychops Tillyard, 1922 † (original description)
Trivitellina Johnston & Tiegs, 1922 (original description)