Are the t-rex and spinosaurus related?

The T. rex and Spinosaurus are not closely related; they belong to different families within the theropod group of dinosaurs. T. rex is a member of the Tyrannosauridae family, while Spinosaurus is part of the Spinosauridae family. Although both were large carnivorous dinosaurs that lived during the Late Cretaceous period, they had distinct evolutionary lineages and adaptations suited to their respective environments.