Dinosaurs roamed Earth for an astonishingly long time — over 170 million years, not just 120 as often simplified.
From their emergence during the Late Triassic period about 230 million years ago, they evolved into a vast array of forms before their extinction 66 million years ago.
Among them, Stegosaurus, with its distinctive plates and tail spikes, lived around 155–150 million years ago in the Late Jurassic.
In contrast, Tyrannosaurus rex, one of the most iconic dinosaurs, lived much later during the Late Cretaceous, around 68–66 million years ago.
This means Stegosaurus had already been extinct for approximately 80 million years before T. rex ever walked the Earth.
To put that into perspective: the time separating Stegosaurus and T. rex is greater than the time between T. rex and humans.
This reveals the immense timescale of dinosaur evolution — they were not all living at once, as commonly portrayed in popular media.
From their emergence during the Late Triassic period about 230 million years ago, they evolved into a vast array of forms before their extinction 66 million years ago.
Among them, Stegosaurus, with its distinctive plates and tail spikes, lived around 155–150 million years ago in the Late Jurassic.
In contrast, Tyrannosaurus rex, one of the most iconic dinosaurs, lived much later during the Late Cretaceous, around 68–66 million years ago.
This means Stegosaurus had already been extinct for approximately 80 million years before T. rex ever walked the Earth.
To put that into perspective: the time separating Stegosaurus and T. rex is greater than the time between T. rex and humans.
This reveals the immense timescale of dinosaur evolution — they were not all living at once, as commonly portrayed in popular media.
Dinosaurs roamed Earth for an astonishingly long time — over 170 million years, not just 120 as often simplified.
From their emergence during the Late Triassic period about 230 million years ago, they evolved into a vast array of forms before their extinction 66 million years ago.
Among them, Stegosaurus, with its distinctive plates and tail spikes, lived around 155–150 million years ago in the Late Jurassic.
In contrast, Tyrannosaurus rex, one of the most iconic dinosaurs, lived much later during the Late Cretaceous, around 68–66 million years ago.
This means Stegosaurus had already been extinct for approximately 80 million years before T. rex ever walked the Earth.
To put that into perspective: the time separating Stegosaurus and T. rex is greater than the time between T. rex and humans.
This reveals the immense timescale of dinosaur evolution — they were not all living at once, as commonly portrayed in popular media.
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