An animation shows how Spinosaurus may have used its paddle-like tail for propulsion in the water. Modeling: Davide Bonadonna and Fabio Manucci; animation and texturing: Fabio Manucci; color design: Davide Bonadonna, DI.MA. Dino Makers; scientific supervision: Simone Maganuco and Marco Auditore; reconstruction based on: Ibrahim et al., 2020, Nature.

Check out a 360 degree view of this impressive predator. Modeling: Davide Bonadonna and Fabio Manucci; animation and texturing: Fabio Manucci; color design: Davide Bonadonna, DI.MA. Dino Makers; scientific supervision: Simone Maganuco and Marco Auditore; reconstruction based on: Ibrahim et al., 2020, Nature.

Using its paddle-like tail, a Spinosaurus aegyptiacus cruises down a river some 97 million years ago in what's now Morocco. Newfound fossils demonstrate that the animal's tail was well suited for swimming – bolstering the case that Spinosaurus spent much of its time in the water. (Modeling: Davide Bonadonna and Fabio Manucci; animation and texturing: Fabio Manucci; color design: Davide Bonadonna, Di.Ma. Dino makers scientific supervision; Simone Maganuco and Marco Auditore; reconstruction based on: Nizar Ibrahim and others, Nature, 2020.)