Aparchites circumexaratus Hessland, 1949 † (original description)
Aparchites depressulus Hessland, 1949 † (original description)
Aparchites reticuliferus Hessland, 1949 † (original description)
Aulacopsis Hessland, 1949 † (original description)
Aulacopsis bifissurata Hessland, 1949 † (original description)
Aulacopsis monofissurata Hessland, 1949 † (original description)
Aulacopsis nodosa Hessland, 1949 † (original description)
Bythocypris curvata Hessland, 1949 † accepted as  † (original description)
Bythocypris ellipsiformis Hessland, 1949 † accepted as  † (original description)
Bythocypris monocarinata Hessland, 1949 † accepted as  † (original description)
Bythocypris monoumbonata Hessland, 1949 † (original description)
Bythocypris nonumbonata Hessland, 1949 † accepted as  † (original description)
Bythocypris obliquedorsata Hessland, 1949 † (original description)
Ceratocypris longispina Hessland, 1949 † accepted as  † (original description)
Ceratopsis grandispinosa Hessland, 1949 † accepted as  † (original description)
Conchoides Oepik, 1935 † (new combination reference)
Conchoides Kummerow, 1924 † (new combination reference)
Conchoides Hessland, 1949 † (original description)
Conchoides rugosa Hessland, 1949 † accepted as  † (original description)
Conchoides ventroincisurata Hessland, 1949 † accepted as  † (original description)
Conchoides ventropunctata Hessland, 1949 † accepted as  † (original description)
Conchoprimites Hessland, 1949 † (original description)
Conchoprimites reticulifera Hessland, 1949 † accepted as  † (original description)
Ctenentoma canaliculata Hessland, 1949 † accepted as  † (original description)
Ctenentoma falcatosulcata Hessland, 1949 † accepted as  † (original description)
Ctenentoma macroreticulata Hessland, 1949 † (original description)
Ctenentoma plana Hessland, 1949 † accepted as  † (original description)
Ctenentoma rectangulocarinata Hessland, 1949 † accepted as  † (original description)
Ectoprimitia tenuireticulata Hessland, 1949 † (original description)
Euprimites Hessland, 1949 † (original description)
Euprimites (Euprimites) Hessland, 1949 † (original description)
Euprimites (Euprimites) reticulogranulata Hessland, 1949 † accepted as Euprimites (Euprimites) reticulogranulatus Hessland, 1949 † (original description)
Euprimites (Euprimites) reticulogranulatus Hessland, 1949 † (original description)
Euprimites reticulogranulata Hessland, 1949 † accepted as Euprimites reticulogranulatus Hessland, 1949 † (original description)
Euprimitia macroreticulata Hessland, 1949 † (original description)
Euprimitia planopunctata Hessland, 1949 † (original description)
Euprimitia tenuireticulata Hessland, 1949 † (original description)
Eurychilina dorsotuberculata Hessland, 1949 † accepted as  † (original description)
Eurychilina rugosotuberculata Hessland, 1949 † accepted as  † (original description)
Glossopsis Hessland, 1949 † accepted as Glossomorphites Hessland, 1953 † (original description)
Glossopsis acuta Hessland, 1949 † accepted as  † (original description)
Glossopsis alata Hessland, 1949 † accepted as  † (original description)
Glossopsis clavata Hessland, 1949 † accepted as  † (original description)
Glossopsis depressolimbata Hessland, 1949 † accepted as  † (original description)
Glossopsis indistincta Hessland, 1949 † accepted as  † (original description)
Glossopsis lingua Hessland, 1949 † accepted as  † (original description)
Glossopsis mutilata Hessland, 1949 † accepted as  † (original description)
Glossopsis nodosa Hessland, 1949 † (original description)
Glossopsis robusta Hessland, 1949 † accepted as  † (original description)
Glossopsis tenuilimbata Hessland, 1949 † accepted as  † (original description)
Haploprimitia lenticuloidea Hessland, 1949 † (original description)
Kloedenella dorsodepressula Hessland, 1949 † accepted as  † (original description)
Laccochilina Hessland, 1949 † (original description)
Laccochilina (Laccochilina) Hessland, 1949 † (original description)
Laccochilina (Laccochilina) centrotuberculata Hessland, 1949 † accepted as  † (original description)
Laccochilina (Laccochilina) dorsoplicata Hessland, 1949 † accepted as Eobromidella dorsoplicata (Hessland, 1949) Harris, 1957 † (original description)
Laccochilina (Laccochilina) levis Hessland, 1949 † accepted as  † (original description)
Laccochilina centrotuberculata Hessland, 1949 † accepted as  † (original description)
Laccochilina densituberculata Hessland, 1949 † (original description)
Laccochilina dorsoplicata Hessland, 1949 † accepted as Eobromidella dorsoplicata (Hessland, 1949) Harris, 1957 † (original description)
Laccochilina levis Hessland, 1949 † accepted as  † (original description)
Laccochilina umbonata (Krause, 1892) Hessland, 1949 † accepted as Cystomatochilina umbonata (Krause, 1892) Jaanusson, 1957 † (new combination reference)
Laccoprimitia foveosulcata Hessland, 1949 † (original description)
Laccoprimitia ventroturgida Hessland, 1949 † (original description)
Macronotella fabuliformis Hessland, 1949 † accepted as  † (original description)
Macronotella planosalebrosa Hessland, 1949 † (original description)
Macronotella reticulata Hessland, 1949 † (original description)
Miniconchoides Hessland, 1949 † (original description)
Ogmoopsis Hessland, 1949 † (original description)
Ogmoopsis (Ogmoopsis) Hessland, 1949 † (original description)
Ogmoopsis nodulifera Hessland, 1949 † (original description)
Ogmoopsis paenequisulcata Hessland, 1949 † (original description)
Pinnatulites Hessland, 1949 † (original description)
Pinnatulites microrugosa Hessland, 1949 † (original description)
Pinnatulites tumida Hessland, 1949 † (original description)
Primitiella anterodepressa Hessland, 1949 † (original description)
Primitiella brevisulcata Hessland, 1949 † (original description)
Primitiella dibulbosa Hessland, 1949 † (original description)
Primitiella expressoreticulata Hessland, 1949 † (original description)
Primitiopsis circumreticulata Hessland, 1949 † (original description)
Steusloffia polynodulifera Hessland, 1949 † accepted as  † (original description)
Tetradella lanceolata Hessland, 1949 † accepted as  † (original description)
Tetradella teres Hessland, 1949 † accepted as  † (original description)