Plesiosaurus

Thalassiodracon

Microcleidus_tournemirensis

Tuarangisaurus_keyesi

SGO_PV_260

Futabasaurus_suzukii

Aristonectes_sp

Mauisaurus_haasti

Callawayasaurus_columbiensis

Kaiwhekea_katiki

Thalassomedon_haningtoni

Styxosaurus_snowii

Brancasaurus

Muraenosaurus

Cryptoclidus

Tatenectes

Kimmerosaurus

Tricleidus

Polycotylus

Edgarosaurus

Trinacromerum

Dolichorhynchops