This seemingly insignificant detail may have made the evolution of dinosaurs possible (all early dinosaurs and many later ones were bipeds), and may also be connected with the ability of the archosaurs or their immediate ancestors to survive the catastrophic Permian-Triassic extinction event.
This seemingly insignificant detail may have made the evolution of dinosaurs possible (all early dinosaurs were bipeds). This seemingly insignificant detail may have made the evolution of dinosaurs possible (many later ones were bipeds). This seemingly insignificant detail may also be connected with the ability of the archosaurs. This was to survive the catastrophic Permian-Triassic extinction event. This seemingly insignificant detail may also be connected with the ability of their immediate ancestors. This was to survive the catastrophic Permian-Triassic extinction event.