5 million to 30

capable of dominating its ecosystem as one of the most formidable aerial predators of its time

Scale 1:35 - 243 mm

The body of Dakosaurus maximus was hydrodynamic and elongated

The extinction of Sarcosuchus is attributed to environmental changes that transformed ancient rivers and lakes into arid regions

Amargasaurus cazaui Scale:1:57 5 million to 30Amargasaurus cazaui is a sauropod dinosaur that lived during the Early Cretaceous period, approximately 129 to 122 million years ago, in what is now South America, specifically in the region of Argentine Patagonia. Discovered in the La Amarga Formation, in the province of Neuqun, and first described in 1991, Amargasaurus is a member of the Dicraeosauridae family, a group of relatively small sauropods with distinctive morphological characteristics.