Plesiosauridae, [478]

Plesiosaurus, [475], [478];

P. conybeari, [478];

P. dolichodirus, [478]

Plethodon, [94], [96], [104], [106];

P. erythronotus, [107];

P. glutinosus, [106]

Plethodontinae, [102], [103]

Plethodontohyla, [235], [236]

Pleurodira, [313], [388] f.