You probably wouldn't say it to its face, but the famously fearsome Tyrannosaurus rex has long been the butt of tiny arm jokes.

The evolution of tiny arms in several groups of meat-eating dinosaurs was likely driven by the development of strong, powerful heads, which were used to attack prey, according to…

Five different groups of predatory dinosaurs independently evolved disproportionately small arms, and it seems they did so because their heads became so large and powerful

We Finally Have the Answer for T. Rex’s Tiny Arms: They have their massive heads to blame

Researchers say giant head adaptations in dinosaurs started in areas with gigantic prey

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El tamaño probablemente se debió al desarrollo de cabezas fuertes y poderosas, según un estudio

Un nuovo studio filogenetico mappa la riduzione degli arti nei grandi teropodi, tra cui il T. rex: le zampe corte sono il risultato del cambiamento nelle strategie di caccia

Un nuevo estudio científico propone una explicación para uno de los mayores enigmas de la paleontología: los diminutos brazos del Tyrannosaurus rex habrían evolucionado en…

You probably wouldn't say it to its face, but the famously fearsome Tyrannosaurus rex has long been the butt of tiny arm jokes.

I paleontologi hanno determinato che il tirannosauro (Tyrannosaurus rex) ha sviluppato braccia minuscole in relazione alla crescita delle sue prede

Leggi su Sky TG24 l'articolo Scienza, uno studio spiega perché il T-Rex aveva braccia così corte