Cryptodrilus ceylanensis Michaelsen, 1897 (original description)
Cryptodrilus crassicystis Michaelsen, 1897 (original description)
Cryptodrilus dambullaensis Michaelsen, 1897 (original description)
Cryptodrilus decipiens Michaelsen, 1897 accepted as Notoscolex decipiens (Michaelsen, 1897) (original description)
Cryptodrilus jacksoni (Beddard, 1890) (basis of record)
Cryptodrilus sarasinorum Michaelsen, 1897 (original description)
Cryptodrilus trincomaliensis Michaelsen, 1897 (original description)
Deodrilus jacksoni Beddard, 1890 accepted as Cryptodrilus jacksoni (Beddard, 1890) (new combination reference)
Megascolex acanthodriloides Michaelsen, 1897 (original description)
Megascolex brachycyclus (Schmarda, 1861) (additional source)
Megascolex cingulatus (Schmarda, 1861) (additional source)
Megascolex funis Michaelsen, 1897 (original description)
Megascolex lorenzi Rosa, 1894 (additional source)
Megascolex multispinus Michaelsen, 1897 (original description)
Megascolex nureliyensis Michaelsen, 1897 (original description)
Megascolex sarasinorum Michaelsen, 1897 (original description)
Megascolex singhalensis Michaelsen, 1897 (original description)
Megascolex templetonianus Rosa, 1892 (additional source)
Megascolex varians Michaelsen, 1897 (original description)
Megascolex varians simplex Michaelsen, 1897 (original description)
Megascolex zygochaetus Michaelsen, 1897 (original description)
Megascolides singhalensis Michaelsen, 1897 (original description)
Moniligaster bournei Michaelsen, 1897 accepted as Drawida pellucida bournei (Michaelsen, 1897) (original description)
Moniligaster friderici Michaelsen, 1897 (original description)
Moniligaster pauli Michaelsen, 1897 accepted as Drawida pellucida bournei (Michaelsen, 1897) (original description)
Perichaeta pauli Michaelsen, 1897 (original description)
Perichaeta viridis Schmarda, 1861 (additional source)