Children (13 direct children, 13 direct and indirect children):
Surinam horned frog
Amazonian horned frog
Pacific horned frog
Stolzmann's horned frog
Argentine horned frog
Ornate horned frog
Brazilian horned frog
Ceratophrys aurita
Ecuadorian horned frog
Ceratophrys testudo
Cranwell's horned frog
Chacoan horned frog
Venezuelan horned frog
Ceratophrys calcarata
Caatinga horned frog
Ceratophrys joazeirensis
Ceratophrys ameghinorum
Ceratophrys bigibbosa
Ceratophrys cristiceps
Ceratophrys boiei
Ceratophrys occidentalis