Ankylosaurus was is not longer 10 meters long. But 4.4 meters long. Ankylosaurus was about 5 meters narrow!
The dinosaur with the heaviest claw - Baryonx
Baryonx's claw was 0.75 meters, long but Therizinosaurus's claw was 75 meters long, But the claws weight up to 7 tons!!
The smallest dinosaur-Unnamed
Lived: Late Trassic
An unnamed dinosaur footprint was found. Yet we do not know if it belonged to a adult dinosaur.
The largest dinosaur-Barosaurus
Lived Late Jurassic-Late Cretaceous?
Barosaurus is the longest dinosaur known for remains. Although Amphicoelias may have grew larger as well as some ichnotaxa, the dinosaurs are known for fragmently remains.
lived Late Trassic-Late Cretaceous
There is more than 20 types of Grallator.
The smartest dinosaur - Troodon
Lived:Late cretaceousTroodon is still alive until now they could catch prey like for example, Protoceratops, Pentaceratops and they would be could pet .