Homalometron
(tree size 36)
Marsupioacetabulum
(tree size 2)
Sphincteristomum
(tree size 4)
Schistorchis
(tree size 12)
Procaudotestis
(tree size 1)
Choanodera
(tree size 2)
Trematobrien
(tree size 1)
Dactylotrema
(tree size 1)
Megacreadium
(tree size 1)
Sphincterostoma
(tree size 2)
Pancreadium
(tree size 1)
Callohelmis
(tree size 1)
Neomegacreadium
(tree size 1)
Neomegasolena
(tree size 1)
Apocreadiinae
(tree size 34)
Postporinae
(tree size 2)
Megaperinae
(tree size 4)
Schistorchiinae
(tree size 10)
Laureriella