Appendicularia
Thaliacea
Ascidiacea
Cephalochordata
Myxini
Conodonta†
Cephalaspidomorphi†
Hyperoartia
Pteraspidomorphi†
Placodermi†
Chondrichthyes
Acanthodii†
Actinopterygii
Actinistia
Dipnoi
Amphibia
Mammalia
Lepidosauria
Testudines
Crocodylia
Aves