Polystoma zeder, 1800
(tree size 27)
Pseudodiplorchis
(tree size 1)
Polystomoides
(tree size 14)
Oculotrema
(tree size 1)
Madapolystoma
(tree size 3)
Neodiplorchis
(tree size 1)
Neopolystoma
(tree size 6)
Protopolystoma
(tree size 1)
Polystomoidella
(tree size 2)
Diplorchis
Riojatrema
(tree size 2)
Mesopolystoma
(tree size 2)
Apaloneotrema
Aussietrema
Fornixtrema
Indopolystoma
Nanopolystoma
Parapseudopolystoma
Wetapolystoma
Metapolystoma
Sundapolystoma
Polystomatinae
Polystomoidinae
Pseudopolystoma