Acanthodrilus africanus Beddard, 1897 accepted as Chilota africanus (Beddard, 1897) (new combination reference)
Acanthodrilus capensis Beddard, 1885 accepted as Chilota capensis (Beddard, 1885) (new combination reference)
Acanthodrilus excavatus Beddard, 1897 accepted as Chilota excavatus (Beddard, 1897) accepted as Parachilota excavatus (Beddard, 1897) (new combination reference)
Acanthodrilus lucifuga Beddard, 1897 accepted as Chilota lucifuga (Beddard, 1897) accepted as Chilota lucifugus (Beddard, 1897) (new combination reference)
Acanthodrilus photodilus Beddard, 1897 accepted as Chilota photodilus (Beddard, 1897) accepted as Parachilota photodilus (Beddard, 1897) (new combination reference)
Acanthodrilus purcelli Beddard, 1897 accepted as Chilota purcelli (Beddard, 1897) (new combination reference)
Aeolosoma beddardi Michaelsen, 1900 (original description)
Alluroididae Michaelsen, 1900 (original description)
Bothrioneurum Stolč, 1886 (replacement name source)
Branchiodrilus Michaelsen, 1900 (original description)
Chaetogaster crystallinus Vejdovský, 1884 accepted as Chaetogaster cristallinus Vejdovský, 1884 (additional source)
Chilota patagonica (Kinberg, 1866) (status source)
Dichogaster bolaui (Michaelsen, 1891) represented as Dichogaster (Diplothecodrilus) bolaui (Michaelsen, 1891) (basis of record)
Dichogaster bolaui (Michaelsen, 1891) represented as Dichogaster (Diplothecodrilus) bolaui (Michaelsen, 1891) (new combination reference)
Dichogaster modiglianii (Rosa, 1896) represented as Dichogaster (Diplothecodrilus) modiglianii (Rosa, 1896) (basis of record)
Diporochaeta Beddard, 1890 (taxonomy source)
Drawida Michaelsen, 1900 (original description)
Eiseniella Michaelsen, 1900 (original description)
Enchytraeus buchholzi Vejdovský, 1878 (source of synonymy)
Eupolygaster modiglianii (Rosa, 1896) (status source)
Eutyphoeus Michaelsen, 1900 (original description)
Eutyphoeus orientalis (Beddard, 1883) (new combination reference)
Glossoscolecidae Michaelsen, 1900 (original description)
Haplotaxidae Michaelsen, 1900 (original description)
Hesperoscolex Michaelsen, 1900 (original description)
Hesperoscolex barbadensis (Beddard, 1893) (basis of record)
Hesperoscolex columbianus (Michaelsen, 1900) (basis of record)
Hesperoscolex hesperidum (Beddard, 1893) (basis of record)
Hoplochaetella Michaelsen, 1900 (original description)
Hoplochaetella stuarti (Bourne, 1886) (new combination reference)
Hormogastridae Michaelsen, 1900 (original description)
Lumbricus baicalensis Michaelsen, 1900 (additional source)
Mandane patagonica Kinberg, 1866 accepted as Chilota patagonica (Kinberg, 1866) (taxonomy source)
Notiodrilus luisae Michaelsen, 1899 accepted as Microscolex luisae (Michaelsen, 1899) (new combination reference)
Octochaetidae Michaelsen, 1900 (original description)
Octochaetus aitkeni (Fedarb, 1898) (basis of record)
Octochaetus antarcticus (Beddard, 1889) (basis of record)
Octochaetus huttoni Beddard, 1893 (additional source)
Octochaetus levis (Hutton, 1877) (basis of record)
Octochaetus multiporus (Beddard, 1885) (basis of record)
Paranais litoralis (Müller, 1784) (taxonomy source)