Thalassotitan atrox Variant:Primed `Sierra en espiral´) es un

`Sierra en espiral´) es un género de peces cartilaginosos extintos que se asemejaban a los tiburones en su apariencia y comportamiento

although its appearance is unique and distinctive

without the prominent parotid glands found in many other toad species

with short and strong legs that allowed it to move with agility

Thalassotitan atrox Variant:Primed `Sierra en espiral´) es unThalassotitan, meaning "titan of the seas", is an extinct genus of large mosasaurs (a group of extinct marine lizards) that lived during the late Maastrichtian of the Cretaceous period in what is now Morocco, approximately 66 million years ago. The only known species is T. atrox, described in 2022 from fossils discovered in the Ouled Abdoun Basin, where many other mosasaurs have been found. It was assigned to the tribe Prognathodontini along with