In Depth Saniwa is one of the better known genera of prehistoric monitor lizard, and although initially only known from North America, specimens are now known from Europe as well as northern Asia. Like monitor lizards living today, Saniwa was a predator. Juvenile monitor lizards tend to focus upon hunting invertebrates like insects, but as … Read more
In Depth Perhaps the easiest way to describe Palaeosaniwa is as a late Cretaceous monitor lizard. Indeed the name Palaeosaniwa actually means ‘ancient Saniwa’, a reference to the genus Saniwa which was a kind of monitor lizard that lived in North America later during the Eocene. The teeth of Palaeosaniwa are flattened like blades with … Read more
In Depth Aigialosaurus was a semi aquatic lizard that was developed to enter the water yet still return to land. This is similar to many other lizards at this stage of the Cretaceous that would eventually evolve into the mosauridae, the last major group of marine reptiles that would adapt to ocean life during the … Read more