when was the t rex around, how long was t rex around, where was the first t rex found, when did the t. rex live, which era did the t rex live
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when was the t rex around
how long was t rex around
where was the first t rex found
when did the t. rex live
which era did the t rex live
when was the t rex around, how long was t rex around, where was the first t rex found, when did the t. rex live, which era did the t rex live
