Marine reptiles

456 genera · Mosasauridae · Sauropterygia · Ichthyosauria

This section brings together three distinct lineages of Mesozoic marine reptiles: Mosasauridae (giant marine lizards of the Late Cretaceous), Sauropterygia (plesiosaurs and pliosaurs, Triassic–Cretaceous) and Ichthyosauria (streamlined vertebrates, Triassic–Cretaceous). These groups are phylogenetically unrelated and each returned to the sea independently.

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P 67

Pachycostasaurus
165 MaValid
Pachycostasaurus
Pachypleurosaurus
247 MaValid
Pachypleurosaurus
Pahasapasaurus
101 MaValid
Pahasapasaurus
Palatodonta
247 MaValid
Palatodonta
Palmula
replaced by Palmulasaurus
94 Ma
Palmulasaurus
94 MaValid
Palmulasaurus
Paludidraco
237 MaValid
Palvennia
Valid
Pantosaurus
162 MaValid
Pantosaurus
Panzhousaurus
244 MaValid
Parahenodus
237 MaValid
Paranothosaurus
subjective synonym of Nothosaurus
250 Ma
Paraophthalmosaurus
149 MaValid
Paraophthalmosaurus
Paraplacodus
247 MaValid
Paraplacodus
Pararcus
247 MaValid
Pararcus
Parasaurus
replaced by Pantosaurus
162 Ma
Parrassaurus
145 MaValid
Parrassaurus
Partanosaurus
241 MaValid
Parvinatator
248 MaValid
Peloneustes
165 MaValid
Peloneustes
Pervushovisaurus
113 MaValid
Pervushovisaurus
Pessopteryx
248 MaValid
Pessosaurus
nomen dubium Ichthyosauria
250 Ma
Peyerus
subjective synonym of Leptocleidus
143 Ma
Phalarodon
250 MaValid
Phalarodon
Phantomosaurus
247 MaValid
Phantomosaurus
Phosphorosaurus
72 MaValid
Phosphorosaurus
Phygosaurus
Valid
Picrocleidus
165 MaValid
Picrocleidus
Piptomerus
Valid
Piptomerus
Piratosaurus
Valid
Piratosaurus
Pistosaurus
247 MaValid
Pistosaurus
Placochelyanus
subjective synonym of Psephoderma
243 Ma
Placochelys
237 MaValid
Placochelys
Placodus
250 MaValid
Placodus
Platecarpus
101 MaValid
Platecarpus
Platypterygius
162 MaValid
Platypterygius
Plesiopharos
200 MaValid
Plesiopharos
Plesioplatecarpus
Valid
Plesioplatecarpus
Plesiopleurodon
101 MaValid
Plesiopleurodon
Plesiopterys
184 MaValid
Plesiopterys
Plesiosaurus
206 MaValid
Plesiosaurus
Plesiotylosaurus
72 MaValid
Plesiotylosaurus
Plioplatecarpus
101 MaValid
Plioplatecarpus
Pliosaurus
165 MaValid
Pliosaurus
Plotosaurus
84 MaValid
Plotosaurus
Pluridens
84 MaValid
Pluridens
Plutoniosaurus
subjective synonym of Platypterygius
162 Ma
Polycotylus
152 MaValid
Polycotylus
Polygonodon
Valid
Polyptchodon
Valid
Polyptychodon
nomen vanum Plesiosauria
133 Ma
Pontopus
Valid
Priscochelys
Valid
Prognathodon
101 MaValid
Prognathodon
Prognathosaurus
Valid
Prognathosaurus
Proneusticosaurus
subjective synonym of Cymatosaurus
247 Ma
Prosantosaurus
241 MaValid
Prosantosaurus
Protenodontosaurus
237 MaValid
Proteosaurus
201 MaValid
Proteosaurus
Protoichthyosaurus
201 MaValid
Protoichthyosaurus
Psephochelys
234 MaValid
Psephochelys
Psephoderma
243 MaValid
Psephoderma
Psephosauriscus
247 MaValid
Psephosaurus
247 MaValid
Psephosaurus
Psilotrachelosaurus
Valid
Pterycollosaurus
subjective synonym of Mosasaurus
101 Ma