Pseudomorphic crystals, [42].

Pterichthys cornutus, [612].

Pterodactylus compressirostris, [726].

------------- crassirostris, [724].

------------- Cuvieri, [726].

------------- macronyx, [726].

Pterophylluni comptum, [152].

Pteropoda, [378], [417].

Pterosauria, [646], [723].

Pterygotus, [525].