Gazella saudiya Longisquama Approximate measurements of Parasaurolophus:

Approximate measurements of Parasaurolophus:

Altura 81 mm

Height 30mm

although this structure was not as elaborate as the crests that would develop in later ceratopsians

This marine giant fed on a variety of prey

Gazella saudiya Longisquama Approximate measurements of Parasaurolophus:Saudi gazelle (Gazella saudiya), an extinct species of bovid mammal, once populated the stony and sandy plains of the northern and western Arabian Peninsula. Their presence extended from Kuwait to Yemen, with most sightings recorded in western Saudi Arabia. These gazelles lived alone or in groups of up to 20 individuals. Declared extinct in the wild in 1980 after not being sighted for several decades, the Saudi gazelle faced the threat of extinction,