Children (27 direct children, 27 direct and indirect children):
Polystoma integerrimum
Polystoma nearcticum
Polystoma okomuensis
Polystoma combesi
Polystoma fuscus
Polystoma gallieni
Polystoma macrocnemis
Polystoma mazurmovici
Polystoma palancai
Polystoma pelobatis
Polystoma temporariae
Polystoma uncinulatum
Polystoma viridis
Polystoma dawiekoki
Polystoma naevius
Polystoma andinum
Polystoma borellii
Polystoma cuvieri
Polystoma diptychi
Polystoma guevarai
Polystoma lopezromani
Polystoma napoense
Polystoma praecox
Polystoma touzeti
Polystoma napoensis
Polystoma chaochiaoensis
Polystoma luohetong