Acratia (Cooperuna) gibbera Lethiers, 1981 † (original description)
Acratia (Cooperuna) rootensis Lethiers, 1981 † (original description)
Acratia (Cooperuna) supinaeformis Lethiers, 1981 † (original description)
Acratia (Cooperuna) vestita Lethiers, 1981 † (original description)
Acratia (Cooperuna) zadonicaeformis Lethiers, 1981 † (original description)
Acratia antefabaeformis Lethiers, 1981 † (original description)
Ampuloides tetracornutus Lethiers, 1981 † (original description)
Aparchites brauni Lethiers, 1981 † (original description)
Bairdia (Cryptobairdia) strangulata Lethiers, 1981 † (original description)
Bairdia (Cryptobairdia) turbinata Lethiers, 1981 † (original description)
Bairdia (Rectobairdia) augusta Lethiers, 1981 † (original description)
Bairdia (Rectobairdia) confragosaeformis Lethiers, 1981 † (original description)
Bairdia (Rectobairdia) superba Lethiers, 1981 † (original description)
Bairdia galinaeformis Lethiers, 1981 † (original description)
Bairdia palliserensis Lethiers, 1981 † (original description)
Bairdiacypris quarziana (Egorov, 1953) † (additional source)
Buregia krestovnikoviformis Lethiers, 1981 † (original description)
Elliptocyprites lorangeri Lethiers, 1981 † (original description)
Endolophia secunda Lethiers, 1981 † accepted as Keslingolophia secunda (Lethiers, 1981) † (original description)
Entomoprimitia kindlei Lethiers, 1981 † (original description)
Famenella bisangulata Lethiers, 1981 † (original description)
Glyptopleurina infibulata Lethiers, 1981 † (original description)
Healdiacypris wabamunensis Lethiers, 1981 † (original description)
Healdianella alba Lethiers, 1981 † (original description)
Knoxiella ornata Lethiers, 1981 † (original description)
Knoxites crassus Lethiers, 1981 † (original description)
Mennerella vulnerata Lethiers, 1981 † (original description)
Microcheilinella digitulistriata Lethiers, 1981 † (original description)
Moorites copelandi Lethiers, 1981 † (original description)
Neocraterellina ferrata Lethiers, 1981 † (original description)
Pachydomella dorsoimplicata Lethiers, 1981 † (original description)
Plagionephrodes crassimarginata (Stewart & Hendrix, 1945) Lethiers, 1981 † (new combination reference)
Pribylites (Parapribylites) canadensis Lethiers, 1981 † (original description)
Pseudobythocypris rectodorsualis Lethiers, 1981 † (original description)
Saccelatta kakisaensis Lethiers, 1981 † (original description)
Sansabella sinuoventralis Lethiers, 1981 † (original description)
Sulcella (Postsulcella) kotchoensis Lethiers, 1981 † (original description)