As for defense

The vertebrae are short and compact

other marine reptiles

It is also thought that Baryonyx had a membrane of skin between its claws that allowed it to capture fish more easily

particularmente en la región de las mejillas y la frente

Carnotaurus sastrei Rhodocetus As for defenseCarnotaurus (Carnotaurus sastrei) is a theropod dinosaur that lived in what is now Argentina during the Cretaceous period, approximately 72 to 69 million years ago. It stands out for its unmistakable appearance and distinctive features. Carnotaurus was a relatively large dinosaur, although it did not reach the dimensions of other theropods such as Tyrannosaurus rex. It measured around 8 to 9 meters in length and its weight is estimated to be around 1.