Purussaurus brasiliensis Spinosaurus It was a large dinosaur

It was a large dinosaur

The shell was composed mainly of aragonite

Recent paleontological studies have provided more details about the anatomy and way of life of Magyarosaurus dacus

The most complete specimens of Parasaurolophus walkeri have been found primarily in Canada

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Purussaurus brasiliensis Spinosaurus It was a large dinosaurPurussaurus brasiliensis was a gigantic prehistoric crocodile that lived during the Miocene Period, approximately 8 to 5 million years ago, in what is now South America. Belonging to the family Alligatoridae , this reptile dominated the aquatic ecosystems of the Amazon region, where it shared its habitat with a diverse megafauna, including giant tortoises, large fish, and mammals such as South American ungulates and ground sloths. It is considered one