Irritator challengeri: Irritator, a fish eating dinosaur from the lower cretaceous Brazil, excites a flock of nearby pterosaurs (based on Barbosania) after catching a fish (based on Calamopleurus mawsoni) 

Baryonyx walkeri catching Leptocleidus, a small fresh & brackish water plesiosaur. 

A Mammoth Mourning: Just as modern elephants do today, a herd of Woolly mammoths pay their respects to the remains of a deceased relative. 

A strawberry blonde baby Woolly mammoth: Not all mammoths were dark, their coats came in many shades. Here is a depiction of an albino / strawberry blonde mammoth calf. 

Currently still a work in progress: Deinotherium, a prehistoric relative of the elephant, investigates something that appears eerily familiar in shape.

A Sneezing Nothosaurus: Inspired by marine iguanas that expel excess seawater from their airways.

Zarafasaura, an elasmosaurid plesiosaur, chomps on a fresh catch!

Archelon ischyros mating: A pair of mating Archelon, the giant turtle of the late Cretaceous, are pursued by other males of the same species. The commotion also attracts the attention of inquisitive juvenile mosasaurs called Platecarpus. 

Archelon on the beach: Just as modern turtles do today, a female Archelon ischyros crawls ashore to lay her eggs.