Children (14 direct children, 3199 direct and indirect children):
Amphibdellatidae
(tree size 7)
Protogyrodactylidae
(tree size 35)
Tetraonchidae
(tree size 28)
Calceostomatidae
(tree size 18)
Neocalceostomatidae
(tree size 12)
Ancylodiscoididae
(tree size 270)
Pseudodactylogyridae
(tree size 2)
Dactylogyrinea
(tree size 2795)
Tetraonchinea
(tree size 6)
Diplectaninea
(tree size 1)
Urogyridae
(tree size 2)
Neotetraonchidae
(tree size 6)
Neotetraonchus
Fridericianellidae
(tree size 3)
Pseudomurraytrematidae