Fossilised marine dinosaur Keichousaurus hui, China (Guizhou province), Middle Triassic (~240 million years ago), 26 x 16 cm, animal length: 21.5 cm Note: Keichousaurus was a small marine reptile, mostly piscivorous, adapted to swimming in shallow water and very probably viviparous. 1 corner of the plate broken/glued back together