Tyrannosaurus Rex lived during the Late Cretaceous period, about 68 to 66 million years ago. Some of the dinosaurs that lived at the same time and in the same places as the Tyrannosaurus Rex are:

Triceratops - Triceratops was a large herbivorous dinosaur that lived during the Late Cretaceous period in North America, and it is known to have coexisted with the Tyrannosaurus Rex.

Ankylosaurus - Ankylosaurus was a heavily armored herbivorous dinosaur that also lived during the Late Cretaceous period in North America, and it is believed to have been preyed upon by the Tyrannosaurus Rex.

Edmontosaurus - Edmontosaurus was a duck-billed herbivorous dinosaur that lived during the Late Cretaceous period in North America, and it is also known to have coexisted with the Tyrannosaurus Rex.

Velociraptor - Velociraptor was a smaller, carnivorous dinosaur that lived during the Late Cretaceous period in Asia, and it is believed to have been a contemporary of the Tyrannosaurus Rex.

Deinonychus - Deinonychus was another small, carnivorous dinosaur that lived during the Early Cretaceous period in North America, and it is also believed to have been a contemporary of the Tyrannosaurus Rex.

These are just a few examples of the dinosaurs that lived at the same time and in the same places as the Tyrannosaurus Rex. There were many other species of dinosaurs that also lived during this time and would have been part of the same ecosystems.
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