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PLESIOSAURIA: PLESIOSAURS AND PLIOSAURS

This page features the advanced sauropterygian clade which encompasses such famous - and occasionally fantastically fearsome - forms as the plesiosaurs and pliosaurs, one of the early reptilian lords of the oceans.

 
Plesiosauria
†Anningasaura
 
Plesiosauria
†Lindwurmia
 
Plesiosauria
†Termatosaurus
 
Plesiosauria
†Alexeyisaurus
 
Plesiosauria | Rhomaleosauridae
†Stratesaurus
 
Plesiosauria | Rhomaleosauridae
†Macroplata
 
Plesiosauria | Rhomaleosauridae
†Avalonnectes
 
Plesiosauria | Rhomaleosauridae
†Eurycleidus
 
Plesiosauria | Rhomaleosauridae
†Meyerasaurus
 
Plesiosauria | Rhomaleosauridae
†Maresaurus
 
Plesiosauria | Rhomaleosauridae
†Atychodracon
 
Plesiosauria | Rhomaleosauridae
†Archaeonectrus
 
Plesiosauria | Rhomaleosauridae
†Rhomaleosaurus
 
Plesiosauria | Neoplesiosauria | Pliosauroidea
†Eurysaurus
 
Plesiosauria | Neoplesiosauria | Pliosauroidea
†Sinopliosaurus
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae
†Anguanax
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae
†Attenborosaurus
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae
†Gallardosaurus
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae
†Hauffiosaurus
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae
†Marmornectes
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae
†Megalneusaurus
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae
†Liopleurodon
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae
†Eardasaurus
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae
†Pachycostasaurus
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae
†Peloneustes
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae
†Pliosaurus
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae
†Rhaeticosaurus
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae
†Simolestes
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae
†Thalassiodracon
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae | Brachaucheninae
†Brachauchenius
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae | Brachaucheninae
†Kronosaurus
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae | Brachaucheninae
†Makhaira
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae | Brachaucheninae
†Megacephalosaurus
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae | Brachaucheninae
†Polyptychodon
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae | Brachaucheninae
†Sachicasaurus
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae | Brachaucheninae
†Monquirasaurus
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae | Brachaucheninae
†Stenorhynchosaurus
 
Plesiosauria | Neoplesiosauria | Pliosauroidea | Pliosauridae | Brachaucheninae
†Luskhan
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea
†Plesiosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea
†Eretmosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea
†Westphaliasaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea
†Plesiopterys
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Microcledidae
†Seeleyosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Microcledidae
†Microcleidus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Microcledidae
†Lusonectes
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Cryptoclididae
†Opallionectes
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Cryptoclididae | Colymbosaurinae
†Abyssosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Cryptoclididae | Colymbosaurinae
†Colymbosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Cryptoclididae | Colymbosaurinae
†Djupedalia
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Cryptoclididae | Colymbosaurinae
†Ophthalmothule
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Cryptoclididae | Colymbosaurinae
†Pantosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Cryptoclididae | Colymbosaurinae
†Spitrasaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Cryptoclididae | Muraenosaurinae
†Muraenosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Cryptoclididae | Muraenosaurinae
†Picrocleidus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Cryptoclididae | Muraenosaurinae
†Tricleidus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Cryptoclididae | Muraenosaurinae
†Vinialesaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Cryptoclididae | Cryptoclidinae
†Cryptoclidus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Cryptoclididae | Cryptoclidinae
†Kimmerosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Cryptoclididae | Cryptoclidinae
†Tatenectes
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae
†Callawayasaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae
†Cimoliasaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae
†Eromangasaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae
†Fresnosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae
†Jucha
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae
†Mauisaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae
†Plesioelasmosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae
†Scanisaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae
†Wapuskanectes
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae
†Zarafasaura
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida
†Cardiocorax
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida
†Libonectes
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida
†Thalassomedon
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Elasmosaurinae
†Albertonectes
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Elasmosaurinae
†Elasmosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Elasmosaurinae
†Fluvionectes
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Elasmosaurinae
†Hydrotherosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Elasmosaurinae
†Nakonanectes
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Elasmosaurinae
†Styxosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Elasmosaurinae
†Terminonatator
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Weddellonectia
†Aphrosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Weddellonectia
†Futabasaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Weddellonectia
†Kawanectes
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Weddellonectia
†Morenosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Weddellonectia
†Tuarangisaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Weddellonectia
†Vegasaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Weddellonectia | Aristonectinae
†Alexandronectes
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Weddellonectia | Aristonectinae
†Aristonectes
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Weddellonectia | Aristonectinae
†Kaiwhekea
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Weddellonectia | Aristonectinae
†Morturneria
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Elasmosauridae | Euelasmosaurida | Weddellonectia | Aristonectinae
†Wunyelfia
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Leptocleididae
†Nichollssaura
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Leptocleididae
†Brancasaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Leptocleididae
†Leptocleidus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Leptocleididae
†Umoonasaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Leptocleididae
†Hastanectes
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Leptocleididae
†Vectocleidus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Polycotylidae
†Edgarosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Polycotylidae
†Georgiasaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Polycotylidae
†Manemergus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Polycotylidae
†Piratosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Polycotylidae | Occultonectia
†Plesiopleurodon
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Polycotylidae | Occultonectia
†Sulcusuchus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Polycotylidae | Palmulasaurinae
†Pahasapasaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Polycotylidae | Palmulasaurinae
†Palmulasaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Polycotylidae | Polycotylinae
†Eopolycotylus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Polycotylidae | Polycotylinae
†Polycotylus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Polycotylidae | Polycotylinae
†Thililua
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Polycotylidae | Polycotylinae
†Trinacromerum
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Polycotylidae | Polycotylinae
†Dolichorhynchops
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Polycotylidae | Polycotylinae
†Mauriciosaurus
 
Plesiosauria | Neoplesiosauria | Plesiosauroidea | Cryptoclidia | Xenopsaria | Leptocleidia | Polycotylidae | Polycotylinae
†Serpentisuchops
Sir Graham