Desmatosuchus spurensis

 

Desmatosuchus spurensis

Locality: Arizona
Formation: Chinle
Length: 4.3 m (14 feet)
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Desmatosuchus scale

Desmatosuchus spurensis

Desmatosuchus was a heavily armored and particularly large variety of aetosaur. Its menacing shoulder-spikes were the most effective defense this hog-nosed herbivore had against large terrestrial predators like the pseudosuchian, Postosuchus. These armored plant-eaters likely traveled in herds, also for safety, as aetosaurs have been found in large monospecific deposits.