Vertebrata - Cotylosauria - Procolophonidae

Parent taxon: Procolophonidae according to R. L. Carroll 1988

Sister taxa: Acadiella, Coletta, Contritosaurus, Eumetabolodon, Gomphiosauridion, Haligonia, Kitchingnathus, Lasasaurus, Leptopleuroninae, Macrophon, Myognathus, Neoprocolophon, Pentaedrusaurus, Phaanthosaurus, Procolophonichnium, Procolophoninae, Procolophonoides, Sauropareion, Spondylolestinae, Teratophon, Thelephon, Thelerpeton, Tichvinskia

Subtaxa: none

Ecology: