Length 160mm

acting as a dynamic counterweight

Although their exact use is unknown

using its visual acuity and speed to detect and capture prey

The tail of Apatosaurus was:

Cretoxyrhina mantelli Variant:Unprimed Length 160mmCretoxyrhina mantelli was a large lamniform shark from the Late Cretaceous (approx. 10082 million years Before Present), widely distributed in the epicontinental seas that covered large regions of what is now North America and other continental shelves. Informally known as the "ginsu shark" due to the morphology of its teethsharp, laterally compressed, and with smooth edgesthis taxon represents one of the main marine predators of its time and a