How are Dimetrodon and Spinosaurus related?
Dimetrodon and Spinosaurus are often mistaken for dinosaurs, but they are actually synapsids and archosaurs, respectively. Synapsids are a group of animals that includes mammals, while archosaurs are a group that includes dinosaurs, crocodiles, and birds.
Dimetrodon lived during the Permian period, about 290 million years ago. It was a large, predatory animal that could grow up to 3 meters long and weigh up to 250 kilograms. Its most distinctive feature was its large, sail-like crest on its back, which was likely used to regulate its body temperature.
Spinosaurus lived during the Cretaceous period, about 112 million years ago. It was one of the largest dinosaurs ever discovered, with some estimates suggesting that it could grow up to 18 meters long and weigh up to 20 tons. Its most distinctive feature was its large, sail-like crest on its back, which was likely used to attract mates or intimidate rivals.
While Dimetrodon and Spinosaurus share some superficial similarities, such as their large size and sail-like crests, they are not closely related. Dimetrodon is a synapsid, while Spinosaurus is an archosaur. The two groups diverged from each other over 300 million years ago.
Related Questions
- What is the difference between a synapsid and an archosaur?
- When did Dimetrodon live?
- When did Spinosaurus live?
- What was the function of the sail-like crest on Dimetrodon?
- What was the function of the sail-like crest on Spinosaurus?
Related Products
- National Geographic Dimetrodon Model
- Safari Ltd Spinosaurus Figure
- Mattel Jurassic World Spinosaurus Dinosaur
- Smithsonian Dimetrodon Skull Replica
- Wild Republic Spinosaurus Plush
Pre：Can a skeleton smile
Next：How do mechanical exoskeletons distribute weight As far as I know the springs help to lift the weight but how do they distribute the weight