Microscolex campbellianus
Microscolex aucklandicus
Microscolex dubius
Microscolex phosphoreus
Microscolex macquariensis
Microscolex enzenspergeri
Microscolex crozetensis
(tree size 1)
Microscolex modestus
Microscolex aquarumdulcium
Microscolex bovei
Microscolex falclandicus
Microscolex georgianus
(tree size 1)
Microscolex kerguelarum
Microscolex luykeni