†Myognathus (tetrapod)
Vertebrata - Cotylosauria - Procolophonidae
Parent taxon: Procolophonidae according to R. L. Carroll 1988
Sister taxa: Acadiella, Coletta, Contritosaurus, Estheriophagus, Eumetabolodon, Gomphiosauridion, Haligonia, Kitchingnathus, Lasasaurus, Leptopleuroninae, Macrophon, Neoprocolophon, Pentaedrusaurus, Phaanthosaurus, Procolophonichnium, Procolophoninae, Procolophonoides, Sauropareion, Spondylolestinae, Teratophon, Thelephon, Thelerpeton, Tichvinskia
Subtaxa: none
Ecology: