Dinosaur Sculptures at Crystal World – Parasaurolophus

Parasaurolophus meaning “near crested lizard” is a genus of herbivorous hadrosaurid ornithopod dinosaur that lived in what is now North America and possibly Asia during the Late CretaceousPeriod, about 76.5–73 million years ago. It was a herbivore that walked both as a biped and as a quadruped.

Parasaurolophus was a hadrosaurid, part of a diverse family of Cretaceous dinosaurs known for their range of bizarre head adornments which were likely used for communication and better hearing. This genus is known for its large, elaborate cranial crest, which at its largest forms a long curved tube projecting upwards and back from the skull. Visual recognition of both species and sex, acoustic resonance, and thermoregulation have been proposed as functional explanations for the crest.

Parasaurolophus is known from three certain species, P. walkeriP. tubicen, and P. cyrtocristatus. All of them can be distinguished from each other, and have many differences.
P. walkeri.is different from the other two species, with it having a simpler internal structure than P. tubicen, a straighter crest and different internal structuring than P. cyrtocristatus.
P. tubicen, is the largest of the Parasaurolophus species. It lived in New Mexico and it possesses a long and straight crest, with a very complex interior compared to the other species.
Of the Parasaurolophus species, P. cyrtocristatus is the smallest, and has the most curved crest. Because of its possession of the two above features, it has often been speculated that it was a female of P. walkeri or P. tubicen, which were males, although P. tubicen lived approximately a million years later.

Like most dinosaurs, the skeleton of Parasaurolophus is incompletely known. The length of the P. walkeri is estimated at 11.45 m, and its body mass is estimated at 2.47 metric tons.

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