Hovasaurus boulei Hainosaurus likely spending a significant amount

likely spending a significant amount of time in shallow waters such as rivers and marshes

Various biomechanical studies suggest that the large dorsal structure of males would have generated hydrodynamic drag

Gallimimus bullatus was a theropod dinosaur that lived during the Late Cretaceous period

it had a bony crest that extended back from its snout to its neck

Hovasaurus boulei Hainosaurus likely spending a significant amountHovasaurus boulei was an extinct diapsid reptile from the Late Permian and possibly part of the Early Triassic , known primarily from its fossil remains in Madagascar , especially in the Dzulfian Sakamena Formation (approximately 252247 million years old) , which spans the Permian Triassic boundary. It is one of the most specialized representatives of the tangasaurids , a primitive group of sauropsids that adapted to an aquatic lifestyle shortly after