Echinostomata
(tree size 876)
Paramphistomata
(tree size 401)
Paramphistomidae
(tree size 41)
Cathaemasiidae
(tree size 7)
Notocotyloidea
Paramphistomoidea
(tree size 22)
Cyclocoelata
(tree size 140)
Gastrodiscus aegyptiacus