Cameroceras trentonense neogale which generally had a club

which generally had a club on their tail

in reference to its probable coastal habitat and its enormous size

que terminaba en una enorme maza ósea que podía utilizar para defenderse de los depredadores

Arizonasaurus muestra una mezcla fascinante de rasgos arcaicos y especializados

Length 400 mm

Cameroceras trentonense neogale which generally had a clubCameroceras trentonense was a giant orthoconid cephalopod that inhabited the seas of the Middle to Late Ordovician , approximately 470 to 450 million years ago. It was a distant relative of modern squids and octopuses, although its morphology was more similar to that of modern nautiloids, with a long, straight shell rather than a coiled one. It is considered one of the largest marine predators of its time and one of the largest cephalopods that have