Parent taxon: Anura according to E. D. Cope 1875
Sister taxa: Acosmanura, Allophyrnidae, Alytidae, Archaeobatrachia, Arthroleptidae, Bissektia, Bufoniformia, Centrolenidae, Comobatrachus, Comobatrachus aenigmatis, Costata, Diacium unipedalis, Discoglossidae, Discoglossoidea, Electrorana, Eleutherodactylidae, Eoanura, Eobatrachus, Eobatrachus agilis, Epicria, Genibatrachus, Gobiatidae, Hemisotidae, Hensonbatrachus, Hyperoliidae, Jeholobatrachus, Lalagobatrachia, Latonia, Leiopelmatidae, Liaobatrachus, Mesobatrachia, Montsechobatrachus, Montsechobatrachus gaudryi, Neobatrachia, Neusibatrachus, Odontaglossa, Odontophrynidae, Opisthocoela, Opisthocoelellus, Palaeobatrachoidea, Paradiscoglossus, Pelobatoidea, Phaneroglossa, Pipoidea, Proanura, Pseudidae, Raniformia, Rhinodermatidae, Scaphiophryninae, Scotiophryne, Sunnybatrachus, Thaumastosaurus, Theatonius, Tregobatrachidae, Tyrrellbatrachus, Varibatrachus, Vieraella, Vieraellidae, Wealdenbatrachus, Xenoanura
Subtaxa: Hemisidae
Ecology: amphibious carnivore
Distribution: there are no occurrences of Gastrechmia in the database