Abyssosaurus Albertonectes Alexandronectes Aphrosaurus Aristonectes Attenborosaurus Bishanopliosaurus Brancasaurus Callawayasaurus Cimoliasaurus Colymbosaurus Cryptoclidus Elasmosaurus Eoplesiosaurus Eretmosaurus Eromangasaurus Fresnosaurus Futabasaurus Goniosaurus Hexatarsostinus Hydralmosaurus Hydrorion Hydrotherosaurus Kaiwhekea KimmerosaurusLagenanectes Leurospondylus Libonectes Lusonectes
Mauisaurus Microcleidus Muraenosaurus Ogmodirus Opallionectes Orophosaurus Pachycostasaurus Pantosaurus Picrocleidus Plesiopterys Plesiosaurus Scanisaurus Seeleyosaurus Sthenarosaurus Styxosaurus Tatenectes Terminonatator Thalassomedon Tricleidus Tuarangisaurus Vinialesaurus Wapuskanectes Westphaliasaurus Woolungasaurus Zarafasaura