This degree of preservation has allowed for detailed anatomical evaluations and has provided crucial evidence about its morphology and lifestyle

powerful head

Until its discovery

acted as a balancing element rather than a defensive structure

The genus Tiktaalik was first described following discoveries in 2004 in rocks of the Canadian Arctic

Sarcosuchus imperator Variant:Hand-painted This degree of preservation hasSarcosuchus imperator was one of the largest known crocodyliformes of the Early Cretaceous, a semi aquatic predator of exceptional size that inhabited the river systems of North Africa, especially in deposits of the El Rhaz Formation in Niger, during the Aptian Albian stages, approximately 112 million years ago. Although often compared to modern crocodiles due to its general appearance, Sarcosuchus did not belong to the group of modern crocodiles, but