Register 
207 
Opistias 79 
+ Ornithichnites 137 
Ornithocheirus 117, 118 
Ornithodesmus 117, 118 
Ornitholestes 95, 96 
Ornithomimus 95, 96 
+ Ornithopoides 137 
Ornithosuchus 86, 87, 88, 90, 91, 92, 94 
Orthomerus 106 
Osteopygis 37, 191 
+ Otophepus 145 
+ Otozoum 144 
Oudenodon 41 
Oxyodon 53 
Pachygenelus 45 
Pachyophis 28, 78, 169 
Pachypleara 67 
Palacrodon 71 
Palaeohatteria 28, 55, 56, 159, 193 
Palaeorhinus 83 
Palaeoscincus 105, 197 
+ Palamopus 145, 146 
Panoplosaurus 105, 197 
Panty Ins 23 
Parapsicephalus 119 
Parasuchns 83 
Pareiasaurus 12, 13, 14, 17, 18, 19, 20, 
21, 157, 197 
Pareiasuchus 17, 18, 90 
Pariotichus 21, 23; 30 
Papposaurus 14 
Patricosaurus 76 
Pedeticosaurus 87 
Pelagosaurus 111, 114 
Pelonenstes 63, 64, 65, 174 
Pessopteryx 28 
Phalarodon 76 
Phocosaurus 50 
Pholidosaurus 109 
Phrynosoma 18, 73 
Phygosaurus 67 
Phytosaurus 83, 84, 85 
Pistosaurus 67 
Placochelys 60, 61, 62, 63, 115 
Plaeodus 12, 13, 60, 61, 62, 63, 67, 68 
Plastomenns 150 
Plataeosaurus 96, 143, 144 
Platecarpus 163 
Platychelys 35 
Platyemys 36 
+ Platypterna 145 
Platypterygius 25 
Platysternnm 32 
+ Plectopterna 145, 146 
Plesiochelys 35, 191 
Plesiosanrus 64, 65, 66, 195 
Pleuristion 54 
Pleurocoelus 195 
Plenrosaurus 71, 79, 169 
Pleurosternum 31, 35, 39 
Pliochelys 38, 39, 193 
Plioplatecarpus 75 
Pliosaurus 64, 65, 66 
Podokeosaurus 96 
Polaeanthus 105 
4- Polemarehus 145, 146 
Poliosanrus 54 
Polyptychodon 64 
Polysphenodon 81, 82 
Polysternum 35 
4- Pontopns 141 
Poposaurns 109, 145 
Porthochelys 191 
Pristerodon 41 
Pristerognathus 48 
Probaena 35 
Procolophon 15, 18, 19, 20, 39, 41, 58, 
90, 157 
+ Procolophoniehnium 138 
Procompsognathus 95, 96, 146 
Progonosaurus 37, 38, 39 
Prolystrosaurns 41 
Propappus 17, 19 
Prosanrolophus 106 
Protacmon 45 
Proterochersis 36, 191 
Proterosanrus 68, 91, 92, 171 
Proterosuchus 88 
Protoceratops 197 
Protosphargis 191 
Protostega 191 
Pseudopus 113 
Pseudotrionyx 36 
Psephoderma 62, 115, 116 
Psephophorus 191 
