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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 |