Picrocleidus was a plesiosaur, a type of marine reptile. It was not a dinosaur, though it coexisted with many dinosaurs. The first Picrocleidus fossil was discovered in 1909.
All the Picrocleidus illustrations below were collected from the internet. Enjoy and explore:
- R. Lydekker. 1889. Catalogue of the Fossil Reptilia and Amphibia, Part II. Containing the orders Ichthyopterygia and Sauropterygia