What is the anatomical name of this design choice to have spikes on the back in paleoart? Which dinosaurs do we know had these and how do we know? : r/Dinosaurs

What is the anatomical name of this design choice to have spikes on the back in paleoart? Which dinosaurs do we know had these and how do we know? : r/Dinosaurs

What is the anatomical name of this design choice to have spikes on the back in paleoart? Which dinosaurs do we know had these and how do we know? : r/Dinosaurs

What is the anatomical name of this design choice to have spikes on the back in paleoart? Which dinosaurs do we know had these and how do we know? : r/Dinosaurs

What is the anatomical name of this design choice to have spikes on the back in paleoart? Which dinosaurs do we know had these and how do we know? : r/Dinosaurs

What is the anatomical name of this design choice to have spikes on the back in paleoart? Which dinosaurs do we know had these and how do we know? : r/Dinosaurs