252mya:Kentrosaurus aethiopicusArtwork by Nathan E. Rogers / @nathan-e-rogersUnlike its close relati
252mya:Kentrosaurus aethiopicusArtwork by Nathan E. Rogers / @nathan-e-rogersUnlike its close relative the plate-backed Stegosaurus, Kentrosaurus sported a paired set of spikes on its back. Its shoulders were also armed with similar spikes, which were likely used for self-defense.—252MYA.com -- source link