Polystomoidella hassalli
Animalia | Platyhelminthes | Trematoda | Polyopisthocotylea | Polystomatidae | Polystomoidella | Polystomoidella hassalli
Polystomoidella oblonga
Animalia | Platyhelminthes | Monogenea | Polystomatidea | Polystomatidae | Polystomoidella | Polystomoidella oblonga