In amphibians & stem reptiles, the dermal skull roof is unbroken except for openings for eyes ... In most lizards, bar closing the lower fossa has been lost in lizards, leaving a single opening and an ...

A new scientific study led by researchers at The University of Manchester has re-examined a series of fossil skulls from the UK, providing new insights into two species of extinct marine reptiles. Dr ...

Moose is ‘true synapsid’ skull. Temporal fossa separated from anterior orbit by post-orbital ... With loss of bones, switch to bones articulating hinge between upper and lower jaw. Amphibian, reptile: ...