Lemur tardigradus Raffles, 1821
Nycticebus brachycephalus Sody, 1949
Nycticebus buku Robinson, 1917
Nycticebus coucang brachycephalus Sody, 1949
Nycticebus coucang buku Robinson, 1917
Nycticebus coucang coucang
Nycticebus coucang hilleri Stone & Rehn, 1902
Nycticebus coucang insularis Robinson, 1917
Nycticebus coucang malaianus (Anderson, 1881)
Nycticebus insularis Robinson, 1917
Nycticebus malaiana Anderson, 1881
Nycticebus natunae Stone & Rehn, 1902
Nycticebus sumatrensis Ludeking, 1867
Nycticebus tardigradus (Raffles, 1821)
Nycticebus tardigradus malaiana Anderson, 1881
Tardigradus coucang Boddaert, 1784