Acrorhynchus dolichocephalus (Pereyaslawzewa, 1892) Graff, 1905 accepted as Paulodora dolichocephala (Pereyaslawzewa, 1892) Artois & Schockaert, 1998 (new combination reference)
Acrorhynchus reprobatus Graff, 1905 accepted as Progyrator mamertinus (Graff, 1874) Reisinger, 1926 (original description)
Dalyelliidae Graff, 1905 (original description)
Graffillidae Graff, 1905 (original description)
Kalyptorhynchia (original description)
Macrorhynchus bivittatus (Uljanin, 1870) Pereyaslawzewa, 1892 accepted as Progyrator mamertinus (Graff, 1874) Reisinger, 1926 (taxonomy source)
Microstomum mundum Graff, 1905 (original description)
Phonorhynchus Graff, 1905 (original description)
Polycystididae Graff, 1905 (original description)
Polycystis Kölliker, 1845 (additional source)
Polycystis georgii Graff, 1905 (original description)
Polycystis intubata Graff, 1905 (original description)
Polycystis mamertina (Graff, 1874) Graff, 1905 accepted as Progyrator mamertinus (Graff, 1874) Reisinger, 1926 (new combination reference)
Polycystis naegelii Kölliker, 1845 (additional source)
Promesostoma bilineatum Pereyaslawzewa, 1892 (taxonomy source)
Schizorhynchidae Graff, 1905 (original description)
Schizorhynchus tataricus Graff, 1905 (original description)
Solenopharyngidae Graff, 1905 (original description)
Trigonostomidae Graff, 1905 (original description)
Trigonostominae Graff, 1905 accepted as Trigonostomidae Graff, 1905 (original description)
Trigonostomum mirabile (Pereyaslawzewa, 1892) Graff, 1905 (new combination reference)
Trigonostomum piriforme (Pereyaslawzewa, 1892) Graff, 1905 (new combination reference)
Trigonostomum setigerum Schmidt, 1852 (taxonomy source)
Typhloplanidae Graff, 1905 (original description)
Typhloplaninae Graff, 1905 (original description)
Vejdovskya Graff, 1905 (replacement name source)
Vejdovskya pellucida (Schultze, 1851) Graff, 1905 (new combination reference)
Vortex Ehrenberg, 1831 accepted as Dalyellia Fleming, 1822 (source of synonymy)