Chilota montanus Michaelsen, 1905 accepted as Chilota purcelli (Beddard, 1897) (original description)
Chilota vanhoeffeni Michaelsen, 1905 accepted as Parachilota vanhoeffeni (Michaelsen, 1905) (original description)
Lamprodrilus ammophagus Michaelsen, 1905 (original description)
Lamprodrilus bythius Michaelsen, 1905 (original description)
Lamprodrilus dybowskii Michaelsen, 1905 (original description)
Lamprodrilus inflatus Michaelsen, 1905 (original description)
Lamprodrilus nigrescens Michaelsen, 1903 (original description)
Lamprodrilus pallidus Michaelsen, 1905 (original description)
Lumbricus maximus robinsoni Michaelsen, 1905 (original description)
Lycodrilus grubei Michaelsen, 1905 accepted as Isochaetides grubei (Michaelsen, 1905) (original description)
Lycodrilus parvus Michaelsen, 1905 accepted as Pseudorhynchelmis parva (Michaelsen, 1905) (original description)
Lycodrilus phreodriloides Michaelsen, 1905 accepted as Baikalodrilus phreodriloides (Michaelsen, 1905) (original description)
Marionina palelandica Michaelsen, 1905 (original description)
Marionina werthi Michaelsen, 1905 (original description)
Microscolex anderssoni Michaelsen, 1905 (original description)
Microscolex crozetensis Michaelsen, 1905 (original description)
Microscolex drygalskii Michaelsen, 1905 accepted as Acanthodrilus drygalskii (Michaelsen, 1905) accepted as Eodriloides drygalskii (Michaelsen, 1905) (original description)
Microscolex enzenspergeri Michaelsen, 1905 (original description)
Microscolex luykeni Michaelsen, 1905 (original description)
Pelodrilus africanus Michaelsen, 1905 (original description)
Phreodrilus crozetensis Michaelsen, 1905 accepted as Nesodrilus crozetensis (Michaelsen, 1905) (original description)
Rhynchelmis brachycephala bythia Michaelsen, 1905 (original description)