with wide feet and toes with curved claws

moderate temperatures and dense vegetation

Rugops' skull was equipped with sharp

Platecarpus skin was covered in scales

It is believed that these feathers could have had functions related to thermal regulation

Cameroceras trentonense life-sized with wide feet and toesCameroceras 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