Celydra serpentina, brain endocast (snapping turtle) Iguanodon Orodromeus was a small fast

Orodromeus was a small fast bipedal herbivore that probably coexisted with dinosaurs such as Daspletosaurus and Einiosaurus

leaving them nearly complete

The function(s) of the sail in both groups is still debated

From the Devonian of Alnif

(Homo rudolfensis)

Celydra serpentina, brain endocast (snapping turtle) Iguanodon Orodromeus was a small fastThis is a brain endocast of a Snapping turtle. An endocast or endocranial cast is a cast made of the mold formed by the impression the brain makes on the inside of the neurocranium (braincase), providing a replica of the brain with most of the details of its outer surface. Endocasts can also form naturally, when sediments fill the empty skull, after which the skull is destroyed and the cast fossilized. Scientists are increasingly utilizing