Predentary bone, of Dinosaur, [424]
Prehallux, of Anura, [28]
Prepubis, of Dinosaurs, [414], [424], [426]
Proganochelys, [389]
Proganosauria, [476]
Proreptilia, [285]
Prosauri, [290]
Prosauria, [288]
Prostherapis, [242]
Protection of Amphibia by poison, [38]