Pseudopyxilla A. Forti, 1909 † (original description)
Pseudopyxilla americana (Ehrenberg; Ehrenberg) Forti, 1909 (new combination reference)
Pseudopyxilla baltica var. baltica (Grunow in Schmidt) Forti, 1909 accepted as Pyxilla baltica var. baltica Grunow in Schmidt, 1874 (new combination reference)
Pseudopyxilla capreolus var. capreolus Forti, 1909 (original description)
Pseudopyxilla capreolus var. gracilior Forti, 1909 (original description)
Pseudopyxilla directa (Pantocsek; Pantocsek) Forti, 1909 accepted as Pyxilla directa Pantocsek, 1892 (new combination reference)
Pseudopyxilla dubia (Grunow in Van Heurck) Forti, 1909 accepted as Pyxilla dubia Grunow in Van Heurck, 1882 (new combination reference)
Pseudopyxilla hungarica (Pantocsek) Forti, 1909 accepted as Pyxilla hungarica Pantocsek, 1892 (new combination reference)
Pseudopyxilla lunyacsekii (Pantocsek) Forti, 1909 accepted as Pyxilla lunyacsekii Pantocsek, 1892 (new combination reference)
Pseudopyxilla obliquepileata Forti, 1909 (original description)
Pseudopyxilla peragallorum Forti, 1909 (original description)
Pseudopyxilla russica (Pantocsek) Forti, 1909 accepted as Pyxilla russica Pantocsek, 1892 (new combination reference)
Pseudopyxilla tempereana Forti, 1909 (original description)
Pseudopyxilla vasta (Pantocsek) Forti, 1909 accepted as Pyxilla vasta Pantocsek, 1892 (new combination reference)
Pterotheca A. Grunow ex Forti, 1909 † (original description)
Pterotheca carinifera var. carinifera (Grunow in Van Heurck) Forti, 1909 accepted as Pyxilla carinifera var. carinifera Grunow in Van Heurck, 1882 (new combination reference)
Pterotheca carinifera var. fossilis (De Toni) Forti, 1909 (new combination reference)
Pterotheca carinifera var. russica (Pantocsek) Forti, 1909 (new combination reference)
Pterotheca danica (Grunow) Forti, 1909 accepted as Stephanogonia danica Grunow, 1866 † accepted as Furtheca danica (Grunow) S.Blanco & C.E.Wetzel, 2016 † (new combination reference)
Pterotheca hungarica (Pantocsek) Forti, 1909 accepted as Ktenodiscus hungaricus Pantocsek, 1889 (new combination reference)
Pterotheca kittoniana (Grunow in Van Heurck) Forti, 1909 accepted as Pyxilla kittoniana var. kittoniana Grunow in Van Heurck, 1882 (new combination reference)
Pterotheca russica (Pantocsek) Forti, 1909 accepted as Ktenodiscus russicus Pantocsek, 1892 (new combination reference)
Pyxilla cleveana Forti, 1909 (original description)
Pyxilla fossilis (Pantocsek) Forti, 1909 (new combination reference)
Pyxilla gracilis var. buccinalis A.I.Forti (original description)
Pyxilla gracilis var. gracilis Tempère & Forti in Forti, 1909 (original description)
Pyxilla gracilis var. saratoviana (Pantocsek) Tempère & Forti in Forti, 1909 accepted as Hemiaulus saratovianus Pantocsek, 1889 (new combination reference)
Pyxilla johnsoniana f. intermedia Tempère & Forti in Forti, 1909 (original description)
Pyxilla johnsoniana f. longior Forti, 1909 (original description)