AndersonerpetonW
Andersonerpeton
ColoraderpetonW
Coloraderpeton
OestocephalidaeW
Oestocephalidae
OestocephalusW
Oestocephalus
OphiderpetonW
Ophiderpeton
PhlegethontiaW
Phlegethontia
PhlegethontiidaeW
Phlegethontiidae
PhlegethontioideaW
Phlegethontioidea
PseudophlegethontiaW
Pseudophlegethontia