Archaeothyris
Ophiacodon_spp
Varanosaurus
Ianthodon
Palaeohatteriidae
Haptodus_garnettensis
Xyrospondylus
NMMNH_P_dash_70796
SYNOPSIS_Ianthasaurus
SYN_pointed_teeth
SYN_Garnett
Badger_Creek
Ianthsaurus_FO_284
Ianthasaurus_ROM_59933
Ianthasaurus_ROM_37751
Ianthasaurus_ROM_29940
Ianthasaurus_ROM_29941
Ianthasaurus_ROM_29942
Ianthasaurus_Holotype
Belebey
SaP_344
Edaphosaurus_mirabilis
Edaphosaurus_credneri
Edaphosaurus_cruciger
Edaphosaurus_pogonias
Edaphosaurus_boanerges
Edaphosaurus_novomexicanus
Edaphosaurus_colohistion
Lupeosaurus
Glaucosaurus
Bohemiclavulus_mirabilis
KUVP_1425
Ianthasaurus