Tyrannosaurus rex should be split into three species

Tiny “Coyote of the Cretaceous” fills a gap in the tyrannosaur tree, NOVA

Tyrannosaurus Remains Hint at Two Possible Species Distinct from T. rex

T. rex may have had 2 equally terrifying sibling species, new research suggests

T.rex is the only Tyrannosaurus species, say scientists - BBC Newsround

Dinosaur Identification: Find Dinosaurs By Their Characteristics

Bold theory' that Tyrannosaurus rex is 3 species gets stomped to pieces

Meet the two new Tyrannosaurus species, not as catchy as the OG T. rex though : r/Naturewasmetal

Tyrannosaurus, Dinopedia

Study refutes claim that T.rex was three separate species

Insufficient Evidence for Multiple Species of Tyrannosaurus in the Latest Cretaceous of North America: A Comment on “The Tyrant Lizard King, Queen and Emperor: Multiple Lines of Morphological and Stratigraphic Evidence Support Subtle Evolution and

Fossils show dismembered young dinosaurs in belly of T. rex cousin

Comparison of the skulls of T. rex (right) and Ta. bataar (left)

Tyrannosaurus - Wikipedia

Are the three Tyrannosaurus subspecies credible or just an unlikely theory? - Ancient Life - Quora

Scientists propose Tyrannosaurus had three species, not just 'rex