the figure below Lepospondyli Ichthyostegalia includes

Last updated: 4/1/2024

the figure below Lepospondyli Ichthyostegalia includes Acanthostega and Ichthyostego Sarcopterygian ancestor Dipnoi 419 Geologic time MY ago Coelacanth Devonian Anthracosauria Amniota Diverse Devonian groups includes Eusthenopteron and Tiktoolik See Chapters 26 through 28 for details Lissamphibians Diverse temnospondyl groups Carboniferous Permian PALEOZOIC 252 MESOZOIC Frogs and toads based on Salamanders Caecilians CENOZOIC 66