Tricleidus Andrews, 1909

Classification
Sauropterygia > Eosauropterygia > Eusauropterygia > Pistosauroidea > Plesiosauria >Plesiosauroidea > Cryptoclididae
Species
Tricleidus seeleyi Andrews, 1909 (Type and only species)
Material
Type - Leeds Collection R.3539. Disarticulated elements - most of skull and half postcranium.
Distribution
Kosmoceras jason - Peltoceras athleta zones, Lowest deposits of the Oxford Clay, Callovian Stage, Upper Jurassic, from Fletton, near Peterborough, England.
Images
Above - Skull of Tricleidus in lateral view (from Brown, 1992)

Palate of Tricleidus in ventral view (from O'Keefe, 2003)
Discussion