2, Ankylosaurus, 5-8 meters long, weighing about 3-4 tons, feeding: plant food, food intake: about 40 kg per meal. (Features: small size, vegetarian. )
3. sauropods, 20-40 meters long and weighing about 30-60 tons, feed on plants and eat 1-2 tons a meal. (Features: huge body, huge appetite)
4. Ceratosaurus is a herbivore with a body length of 65,438+0-9 meters and a weight of 65,438+0-6 tons, and its food intake is 300-600 kg per meal. (Features: petite and gregarious)
5. Pachysaurus is a vegetarian with a body length of1-2m and a weight of 30-60kg, and its food intake per meal is about10-40kg. (Features: small size, small appetite)
Extended data:
Dinosaur (English name: dinosaur) is a reptile that appeared in Mesozoic (Triassic, Jurassic and Cretaceous). Its vigorous limbs, long tail and huge body are the portrayal of most dinosaurs. They mainly inhabit woodland or open areas in lakeshore plains (or coastal plains).
184 1 year, British scientist richard owen? When studying several fossils that look like lizard bones, I think they were left by some prehistoric animals and named them dinosaurs, which means "terrible lizard".
At the end of Cretaceous 65 million years ago, dinosaurs suddenly disappeared, which became a mystery in the evolutionary history of life on earth. This mystery has not been solved so far.
References:
Baidu encyclopedia-dinosaur