Stegosaurs only had one small brain. The expansion of the spinal column in the pelvis gave rise to the incorrect idea that dinosaurs had two brains.
The remains of about 80 different Stegosaurus have been discovered. They belong to four different species, Stegosaurus armatus, Stegosaurus stenops, Stegosaurus sulcatus, and Stegosaurus longispinus.
A Stegosaurus had lots of bones then a Human but had 450-750 bones depends how old the Stegosaurus is
There were four different species of Stegosaurus. The largest was Stegosaurus armatus, which grew to be 30 feet long and weighed 5.5 tons. Stegosaurus longispinus and Stegosaurus stenops both grew to be about 23 feet long.
Stegosaurus had a brain that weighed about 2.8 oz, the same as a dog's brain. That is very small considering that the Stegosaurus was 30 feet long and weighed 5.5 tons. People often say that its brain was the size of a walnut or a pea, but that exaggerates its small size.
No modern animal has two brains, unless it is a conjoined animal with two heads as a result of incomplete twin formation. The stegosaurus, a large plant-eating dinosaur, was thought to have had two brains, but paleontologists now believe the second cranial cavity was for fat storage.
There are four currently accepted species in the genus Stegosaurus. They are Stegosaurus armatus, Stegosaurus stenops, Stegosaurus sulcatus, and Stegosaurus longispinus.
over 200
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Stegosaurus? Stegosaurus?
There were four different species of Stegosaurus. The largest was Stegosaurus armatus, which grew to be 30 feet long. Stegosaurus longispinus and Stegosaurus stenops both grew to be about 23 feet long.
There were probably 4 spikes.
There were four spikes at the end of a Stegosaurus's tail that it used as a weapon for self defense. The spikes are called thagomizers.