The Immense Collection of Strange Acambaro Figurines: Evidence of Dinosaurs Living Among Us? (Ancientorigins.net)
'Ica Stones' from Peru.
The Stegosaur engraving at Ta Prohm
Father Crespi ancient artifact collection
GenesisPark.com - Ancient Dinosaur Depictions
Paleo.cc - Alleged Dinosaurs in Ancient Art
Carved depiction: Palau de La Generalitat in Barcelona Spain
aka: The Narmer Palette, also known as the Great Hierakonpolis Palette or the Palette of Narmer
Got a link?
I searched but only came up with one relief that depicts what could be interpreted as a stegosaurus but none showing them riding any dinosaurs.
There are a bunch of them riding elephants though which is pretty cool.
Look up these things:
The Immense Collection of Strange Acambaro Figurines: Evidence of Dinosaurs Living Among Us? (Ancientorigins.net)
'Ica Stones' from Peru.
The Stegosaur engraving at Ta Prohm
Father Crespi ancient artifact collection
GenesisPark.com - Ancient Dinosaur Depictions
Paleo.cc - Alleged Dinosaurs in Ancient Art
Carved depiction: Palau de La Generalitat in Barcelona Spain aka: The Narmer Palette, also known as the Great Hierakonpolis Palette or the Palette of Narmer