Taxonomy Birds Genus Homo Juluensis Hominin Diversity Avialae Pseudosuchia Nanotyrannus Extinct Species Tyrannosaurini Herbivorous Amphibians Spinosaurids Mammoth Species Corvidae Dinosaurs Machine Learning Tyrannosaurus rex Species Complex Dinosaur Diversity New Species Gorgonopsia Dinosaur Evolution
The Scientific Reports study describes a single 74‑million‑year‑old tibia whose size hints at a close T. rex relative, pending more finds.