Triassic Archosaurs | Dinosaur Documentary
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Coelophysis is an early theropod dinosaur, a pioneer of a group that would one day give rise to some of the largest predators ever to walk the earth. However, it is much more modest in size, reaching about a meter in height. A fine down of filamentous protofeathers covers its body, used not only for display but also to keep it warm, and its long tail is intertwined with horsetails, combing them from left to right as it lowers its head to drink. In its haste to quench its thirst, it foolishly forgot to scan its surroundings for danger.
Larger predators do indeed lurk here, but this is a stretch of river it visited again and again, and it is always safe among the foliage. Raising his head, he turns to head back into the foliage before a powerful roar from the river marks his end. Like a bullet out of nowhere, a colossal reptile, twelve meters long, leaps out of the water, its five-foot-long mouth gaping, revealing row after row of knife-sharp teeth.
Before he can even process what's happening, the little dinosaur is impaled, thrown left by the creature's powerful neck muscles, and dragged back underwater to an untimely grave. Its attacker, a Smilosuchus, will be well fed today. This enormous reptile is a member of the archosaurs, a group that includes dinosaurs and crocodiles; but it is neither. The largest land creature of the late Triassic period, it is a truly colossal ambush predator, relying on surprise and stealth to catch its prey. Coelophysis may be a theropod dinosaur, but this land is definitely not itss.
0:00 Introduction
3:34 WHAT IS AN ARCHOSAURU?
7:06 NORTH AMERICA
18:31 SOUTH AMERICA
24:19 AFRICA
28:29 EUROPE
34:11 ASIA
36:44 END