I’m in the process of creating the genus section so more plesiosaur genera will be added in time.
- Abyssosaurus
- Albertonectes
- Anguanax
- Anningasaura
- Apractocleidus
- Archaeonectrus
- Aristonectes
- Attenborosaurus
- Atychodracon
- Avalonnectes
- Bishanopliosaurus
- Bobosaurus
- Borealonectes
- Brancasaurus
- Colymbosaurus
- Cryonectes
- Cryptoclidus
- Djupedalia
- Edgarosaurus
- Elasmosaurus
- Eoplesiosaurus
- Eretmosaurus
- Eurycleidus
- Gallardosaurus
- Gronausaurus
- Hastanectes
- Hauffiosaurus
- Hydrorion
- Hydrotherosaurus
- Kaiwhekea
- Kimmerosaurus
- Kronosaurus
- Leptocleidus
- Libonectes
- Liopleurodon
- Lusonectes
- Macroplata
- Maresaurus
- Marmornectes
- Mauisaurus
- Megalneusaurus
- Meyerasaurus
- Microcleidus
- Morturneria
- Muraenosaurus
- Occitanosaurus
- Ogmodirus
- Pachycostasaurus
- Pantosaurus
- Peloneustes
- Plesiopterys
- Plesiosaurus
- Pliosaurus
- Raptocleidus
- Rhomaleosaurus
- Simolestes
- Spitrasaurus
- Stenorhynchosaurus
- Sthenarosaurus
- Stratesaurus
- Styxosaurus
- Tatenectes
- Thalassiodracon
- Thalassomedon
- Thaumatodracon
- Thililua
- Tricleidus
- Vectocleidus
- Vinialesaurus
- Westphaliasaurus
- Woolungasaurus
- Yuzhoupliosaurus