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Plesiosauria, Unknown Placement - Pliosauridae =, Unknown Placement -…
Plesiosauria
Rhomaleosauridae
Avalonnectes
Atychodracon
Archaeonectrus
Meyerasaurus
Rhomaleosaurus
Borealonectes
Maresaurus
Anningasaura
Plesiosauroidea
Cryptoclidia
Cryptoclididae
Kimmerosaurus
Cryptoclidus
Muraenosaurus
Tricleidus
Xenopsaria
Elasmosauridae
Libonectes
3 more items...
Callawayasaurus
Eromangasaurus
Leptocleidia
Leptocleididae
Nichollssaura
Brancasaurus
2 more items...
Polycotylidae
Edgarosaurus
2 more items...
2 more items...
Plesiopterys
Microcleididae
Microcleidus
Seeleyosaurus
Westphaliasaurus
Eretmosaurus
Plesiosaurus
Pliosauridae
Thalassiodracon
Hauffiosaurus
Attenborosaurus
Marmornectes
Thallasophonea
Peloneustes
Pliosaurus andrewsi
Simolestes
Liopleurodon
3 more items...
Eoplesiosaurus
Stratesaurus
Unknown Placement - Pliosauridae =
Raeticosaurus
Anguanax
Pachycostasaurus
Arminisaurus
Unknown Placement - Thallasophonea =
Megalneusaurus
Cryonectes
Unknown Placement - Brachaucheninae =
Makhaira
Polyptychodon
Luskhan
Stenorhynchosaurus
Acostasaurus
Unknown Placement - Cryptoclididae =
Pantosaurus
Picrocleidus
Ophthalmothule
Spitrasaurus
Djupedalia
Tatenectes
Colymbosaurus
Vinialesaurus
Abyssosaurus
Unknown Placement - Rhomaleosauridae =
Eurycleidus
Macroplata
Elasmosauridae