Astrotorhynchus Graff, 1905 (taxonomy source)
Astrotorhynchus bifidus (McIntosh, 1874) Graff, 1905 (new combination reference)
Astrotorhynchus bifidus bifidus (McIntosh, 1874) Graff, 1905 (basis of record)
Astrotorhynchus regulatus Graff, 1905 (original description)
Byrsophlebidae Graff, 1882 (taxonomy source)
Catenulidae Graff, 1905 (original description)
Dalyellia penicilla (Braun, 1885) Graff, 1905 (new combination reference)
Dalyellia picta (Schmidt, 1848) Graff, 1905 accepted as Microdalyellia picta (Schmidt, 1848) Gieysztor, 1938 (new combination reference)
Dalyellia scoparia (Schmidt, 1858) Graff, 1905 (new combination reference)
Dalyellia viridis (Shaw, 1791) Graff, 1905 (new combination reference)
Dalyelliidae Graff, 1905 (original description)
Graffillidae Graff, 1905 (original description)
Graffillinae Graff, 1905 (original description)
Gyratrix hermaphroditus coeca Graff, 1882 (status source)
Kalyptorhynchia (original description)
Maehrenthalia Graff, 1905 (original description)
Maehrenthalia agilis (Levinsen, 1879) Graff, 1905 (new combination reference)
Microstomum mundum Graff, 1905 (original description)
Phonorhynchus Graff, 1905 (original description)
Phonorhynchus helgolandicus (Mecznikow, 1865) Graff, 1905 (new combination reference)
Polycystididae Graff, 1905 (original description)
Polycystis Kölliker, 1845 (additional source)
Polycystis naegelii Kölliker, 1845 (additional source)
Promesostoma bilineatum Pereyaslawzewa, 1892 (taxonomy source)
Promesostoma marmoratum nudum Graff, 1905 (original description)
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 (status source)
Trigonostomum armatum (Jensen, 1878) Graff, 1905 (new combination reference)
Trigonostomum coronatum (Graff, 1882) Graff, 1905 (new combination reference)
Trigonostomum mirabile (Pereyaslawzewa, 1892) Graff, 1905 (new combination reference)
Trigonostomum penicillatum (Schmidt, 1857) Graff, 1905 (new combination reference)
Trigonostomum setigerum Schmidt, 1852 (taxonomy source)
Typhloplanidae Graff, 1905 (original description)
Typhloplaninae Graff, 1905 (original description)
Typhlorhynchus nanus Laidlaw, 1902 (additional source)
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)