Children (9 direct children, 11 direct and indirect children):
Omphiscola glabra
(tree size 2)
Mud snail
Omphiscola reticulata
Omphiscola acuaria
Omphiscola gorkai
Omphiscola paramiocenica
Omphiscola pugio
Omphiscola servica
Omphiscola steklovi
Omphiscola ukrainica