Helveticosaurus

In Depth        For a long time Helveticosaurus was thought to be one of the placodonts,‭ ‬specialist marine reptiles that lived in the Triassic seas‭ ‬that fed upon shellfish.‭ ‬However further analysis has revealed that only the vertebra of Helveticosaurus are similar to the placodonts,‭ ‬which has led to Helveticosaurus being re-classed as a diapsid‭ (‬two … Read more

Scutosaurus

In Depth        Unlike other pareiasaurs, Scutosaurus’s orientation of the legs was more under the body as opposed to out to the side. This gave Scutosaurus a much taller stance and would be more suitable for a creature that may have spent its time searching for suitable vegetation to eat in the arid environment of the … Read more

Coelurosauravus

In Depth        The most noteworthy feature of Coelurosauravus are the dermal ossicles, creating thin strands of bone that extended from the flanks and supported a gliding wing. This may have provided a limited flight capability over short distances by jumping from a high point and steering itself by twisting towards a lower spot as it … Read more

Eunotosaurus

eunotosaurus

In Depth        Eunotosaurus was long considered the ancestor to turtles.‭ ‬This theory came from the specially enlarged and curved vertebrae and ribs that balloon outwards that would have created the appearance of a skin covered shell.‭ ‬It is now thought however that the vertebrae and rib adaptation of Eunotosaurus and the evolution of turtles are … Read more

Lariosaurus

lariosaurus

In Depth        Although small by nothosaur standards,‭ ‬Lariosauru remains one of the most important nothosaurs known to palaeontology as remains are so well preserved they contain the presence of juvenile Lariosaurus,‭ ‬as well as what they ate.‭ ‬The juvenile specimens inside an adult Lariosaurus are very well preserved suggesting that they were not chewed or … Read more

Phosphorosaurus

In Depth        Phosphorosaurus is a genus of halisaurine mosasaur known to have lived during the latest stage of the Cretaceous.‭ ‬Halisaurine mosasaurs like Phosphorosaurus were the smaller end of the scale in terms of size,‭ ‬but would have been fast and nimble predators of other creatures such as fish and perhaps cephalopods such as squid. … Read more

Archelon

archelon

In Depth        Although a turtle,‭ ‬Archelon has become a staple species that appears in almost every book about dinosaurs and other prehistoric animals.‭ ‬This almost mandatory inclusion comes from the fact that Archelon is the largest turtle ever known to exist‭ ‬and it lived at the end of the Cretaceous.‭ ‬For the most part dinosaurs … Read more