The Secernosaurus was a large ornithopod that lived during the Late Cretaceous Period, approximately 71 million years ago. This dinosaur was also a member of the Hadrosauridae family, which consisted of other duck-billed dinosaurs.
|What does Secernosaurus mean?||Separated lizard” or “severed lizard|
|On the menu||Herbivore|
|Length||10′ (3 meters)|
|Height||5′ (1.5 meters)|
|Weight||4000 lbs (1,800 kgs)|
|Legs used to get around||Hatchlings walked on two legs. Adults were quadrupedal|
|Estimated top speed||They may have been slow as their front legs were seldom used|
|When they lived||During the Late Cretaceous Period, which was 71-65 million years ago|
|Where they have been found?||Argentina|
When & Where
Discovered in the Lago Colhue Hapi and Los Amitos Formations, Argentina. Its type species, named Secernosaurus koerneri, was described in 1972.
Size & Weight
Reached a length of 10′ (3 meters), a height of 5′ (1.5 meters), and a weight of 4000 lbs (1814 kg).
Mobility & Diet
Munched on plant materials such as horsetail, as well as twigs and stems, that were part of the flora during the late Cretaceous Period.
- Known to have a “duck-billed” face, being one of the hadrosauridae members and its nose has this “Roman-nose” appearance.
- 3 different specimens have been discovered by paleontologists
Featured Image Credit: National History Museum