Laevitrigonia curta Aitken, 1961 † accepted as Opisthotrigonia curta (Aitken, 1961) † (original description)
Megatrigonia (Rutitrigonia) kikombona Aitken, 1961 † accepted as Zulutrigonia kikombona (Aitken, 1961) † (original description)
Megatrigonia (Rutitrigonia) nossae Aitken, 1961 † accepted as Tanzanitrigonia nossae (Aitken, 1961) † (original description)
Megatrigonia (Rutitrigonia) nyangensis Aitken, 1961 † accepted as Tanzanitrigonia nyangensis (Aitken, 1961) † (original description)
Megatrigonia (Rutitrigonia) turikirae Aitken, 1961 † accepted as Turikirella turikirae (Aitken, 1961) † (original description)
Opisthotrigonia curvata Aitken, 1961 † (original description)
Trigonia (Indotrigonia) africana Aitken, 1961 † accepted as Indotrigonia africana (Aitken, 1961) † (original description)
Trigonia (Indotrigonia) mandawae Aitken, 1961 † accepted as Indotrigonia mandawae (Aitken, 1961) † (original description)
Trigonia (Indotrigonia) robusta Aitken, 1961 † accepted as Indotrigonia robusta (Aitken, 1961) † (original description)
Trigonia (Indotrigonia) vstriata Aitken, 1961 † accepted as Indotrigonia vstriata (Aitken, 1961) † accepted as Nambangonia vstriata (Aitken, 1961) † (original description)
Trigonia (Trigonia) tanganyicensis Aitken, 1961 † accepted as Trigonia tanganyicensis Aitken, 1961 † (original description)