10 Rarest Dinosaurs Ever Discovered

By: Jai
Published On: 03 Dec, 2023
Amargasaurus: A rare sauropod dinosaur characterized by its distinctive double row of spines along its neck and back, Amargasaurus roamed what is now Argentina during the Late Cretaceous period.
Therizinosaurus: With long, scythe-like claws and a herbivorous diet, Therizinosaurus is among the rarest dinosaurs. Fossils suggest it lived in Mongolia during the Late Cretaceous.
Deinocheirus: Initially known only from enigmatic arm fossils, the Deinocheirus is a mysterious dinosaur from the Late Cretaceous period.
Protoceratops: This herbivorous dinosaur lived in what is now Mongolia during the Late Cretaceous.
Concavenator: A theropod dinosaur notable for the hump-like structure on its back, Concavenator is a rare find in the fossil record, discovered in Spain and dating back to the Early Cretaceous.
Yangchuanosaurus: A large theropod dinosaur from China, the Yangchuanosaurus is rare compared to its famous relatives like the Tyrannosaurus rex, with fossils dating back to the Middle Jurassic.
Nigersaurus: Known for its wide, square muzzle filled with numerous teeth, Nigersaurus is a rare sauropod dinosaur discovered in Niger, Africa, and lived during the Early Cretaceous period.
Achillobator: A close relative of Velociraptor, Achillobator is a rare dromaeosaurid dinosaur found in Mongolia. It was a carnivorous predator that lived during the Late Cretaceous.
Ouranosaurus: A herbivorous dinosaur characterized by a sail-like structure on its back, Ouranosaurus is considered rare, with fossils discovered in Niger dating back to the Early Cretaceous.
Thescelosaurus: A small, herbivorous dinosaur, Thescelosaurus is rare in the fossil record. Fossils have been found in North America, and it lived during the Late Cretaceous period.
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