ectothermic vertebrates Lamarck, 1801 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
   1 Class Actinopterygii Woodward, 1891 - ray-finned fishes see Clade Actinopterygii Woodward 1891 [Moore & Near 2020]
   2 Class Amphibia Gray, 1825
   3 Class Reptilia Linnaeus, 1758 - reptiles