Children (10 direct children, 10 direct and indirect children):
Kinabalu giant earthworm
Pheretima darnleiensis
Siebold's earthworm
Pheretima sieboldi
Pheretima praepinguis
Pheretima elongata
Pheretima pingi
Pheretima hilgndorfi
Pheretima aspergillum
Pheretima montana
Pheretima bahli
Pheretima californica