A hidden ichthyosaur reveals its secrets: a 7 years' pursuit

摘要

Ichthyosaurs are extinct marine reptiles that superficially resembled dolphins and sharks but are neither. They are most definitely not 'swimming dinosaurs'! They were fully aquatic marine tetrapods that lived in the seas whilst their more famous counterparts, the dinosaurs, roamed the land. Ichthyosaurs have been found on all continents and lived during the late Early Triassic to the early Late Cretaceous, 250 to 93 million years ago.