The Early Birder

Amphibian & Reptile Groups

* = extinct

Amphibian Groups

Subclass Labyrinthodontia (diverse Paleozoic and early Mesozoic group)*
Subclass Lepospondyli (small Paleozoic group)*
Subclass Lissamphibia (frogs, salamanders, etc
Order Anura (frogs and toads	Order Caudata or Urodela (salamanders)	Order Gymnophiona or Apoda (caecilians)

Reptile Groups

Subclass Anapsida (= Parareptilia)
Order Procolophonomorpha *		Order Testudines (turtles)
Subclass Diapsida
Order Araeoscelidia *	Order Avicephala *		Order Younginiformes *
Superorder Ichthyopterygia ("fish lizards") *
Order Grippidia *		Order Ichthyosauria *
Infraclass Lepidosauromorpha
Superorder Lepidosauria
Order Sphenodontida (tuatara)		Order Squamata (lizards and snakes)
Superorder Sauropterygia *
Order Nothosauroidea *	Order Placodontia *		Order Plesiosauria *
Infraclass Archosauromorpha
Order Choristodera *		Order Prolacertiformes *
Division Archosauria
Order Aetosauria *	Order Phytosauria *	Order Pterosauria (flying reptiles) *	Order Rauisuchia *
Superorder Crocodylomorpha
Order Crocodilia (crocodiles and relatives)
Superorder Dinosauria
Order Ornithischia *		Order Saurischia