Yangchuanosaurus And Gigantspinosaurus stock image
Two Gigantspinosaurus--early stegosaurs named for their gigantic shoulder spines--look wearily as a Yangchuanosaurus walks by.
Illustration by Sergey Krasovskiy
Two Gigantspinosaurus--early stegosaurs named for their gigantic shoulder spines--look wearily as a Yangchuanosaurus walks by.
Illustration by Sergey Krasovskiy