_________________________

 

1 https://en.wikipedia.org/wiki/Pneumatostega
2 https://en.wikipedia.org/wiki/Prionosuchus
3 https://en.wikipedia.org/wiki/Proamphiuma
4 https://en.wikipedia.org/wiki/Procerobatrachus
5 https://en.wikipedia.org/wiki/Procochleosaurus
6 https://en.wikipedia.org/wiki/Procynops
7 https://en.wikipedia.org/wiki/Prodesmodon
8 https://en.wikipedia.org/wiki/Prodiscoglossus
9 https://en.wikipedia.org/wiki/Promastodonsaurus
10 https://en.wikipedia.org/wiki/Propelodytes
11 https://en.wikipedia.org/wiki/Prosalirus
12 https://en.wikipedia.org/wiki/Prosiren
13 https://en.wikipedia.org/wiki/Proterogyrinus
14 https://en.wikipedia.org/wiki/Prothoosuchus
15 https://en.wikipedia.org/wiki/Pseudophlegethontia
16 https://en.wikipedia.org/wiki/Ptychosphenodon
17 https://en.wikipedia.org/wiki/Ptychosphenodon
18 https://en.wikipedia.org/wiki/Putterillia
19 https://en.wikipedia.org/wiki/Quasicaecilia
20 https://en.wikipedia.org/wiki/Quasicyclotosaurus
21 https://en.wikipedia.org/wiki/Rileymillerus
22 https://en.wikipedia.org/wiki/Rewana
23 https://en.wikipedia.org/wiki/Rhadalognathus
24 https://en.wikipedia.org/wiki/Rhadinosteus
25 https://en.wikipedia.org/wiki/Rhineceps
26 https://en.wikipedia.org/wiki/Rhinesuchoides
27 https://en.wikipedia.org/wiki/Rhinesuchus
28 https://en.wikipedia.org/wiki/Mexican_burrowing_toad
29 https://en.wikipedia.org/wiki/Rhynchonkos
30 https://en.wikipedia.org/wiki/Rhytidosteus
31 https://en.wikipedia.org/wiki/Ricnodon
32 https://en.wikipedia.org/wiki/Rotaurisaurus
33 https://en.wikipedia.org/wiki/Rubricacaecilia
34 https://en.wikipedia.org/wiki/Saevesoederberghia
35 https://en.wikipedia.org/wiki/Saharastega
36 https://en.wikipedia.org/wiki/Callobatrachus
37 https://en.wikipedia.org/wiki/Saltenia
38 https://en.wikipedia.org/wiki/Sauravus
39 https://en.wikipedia.org/wiki/Sauropleura
40 https://en.wikipedia.org/wiki/Saxonerpeton
41 https://en.wikipedia.org/wiki/Scapherpeton
42 https://en.wikipedia.org/wiki/Salamander
43 https://en.wikipedia.org/wiki/Schoenfelderpeton
44 https://en.wikipedia.org/wiki/Scincosaurus
45 https://en.wikipedia.org/wiki/Sclerocephalus
46 https://en.wikipedia.org/wiki/Sclerothorax
47 https://en.wikipedia.org/wiki/Scotiophryne
48 https://en.wikipedia.org/wiki/Seminobatrachus
49 https://en.wikipedia.org/wiki/Shelania
50 https://en.wikipedia.org/wiki/Shomronella
51 https://en.wikipedia.org/wiki/Siderops