Naashoibitosaurus
Naashoibitosaurus was a duck-billed dinosaur that lived in what is now New Mexico, USA. It had a flat head with a low bump in front of its eyes and ate plants with hundreds of teeth.1
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Fun facts
Only one partial skeleton of Naashoibitosaurus has ever been found.1
Its name comes from the Navajo language and means 'creek lizard'.1
The skull of Naashoibitosaurus has a low nasal crest that peaks in front of the eyes, not a big arch like some other duck-billed dinosaurs.1
Scientists disagree whether Naashoibitosaurus is a separate genus or the same as Kritosaurus.1
It lived about 73 million years ago during the Late Cretaceous period.1
As a hadrosaurid, it could walk on two legs or all fours and feed on plants from the ground up to about 4 meters (13 feet) high.1
Most asked questions about Naashoibitosaurus
?How big was Naashoibitosaurus?
Its exact size is unknown because only one partial skeleton has been found, but as a hadrosaurid it would have been a large dinosaur, probably similar to other duck-billed dinosaurs.1
?What did Naashoibitosaurus eat?
It was a herbivore that ate plants. It used its broad beak to crop plant material and had hundreds of teeth in dental batteries for grinding food.1
?Is Naashoibitosaurus a dinosaur?
Yes, it is a dinosaur. It is a hadrosaurid, a type of duck-billed dinosaur.1
?When did Naashoibitosaurus live?
It lived about 73 million years ago, during the Late Cretaceous period.1
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Myth buster
Myth: Naashoibitosaurus is definitely a separate dinosaur from Kritosaurus.
Truth: Some scientists think Naashoibitosaurus might be the same as Kritosaurus, because the differences in their skulls could be due to age, not species.1
For dino experts
- Scientific name
- Naashoibitosaurus
- Named by
- Hunt and Lucas 19933
- Group
- Duck-bills
- Family / clade
- Hadrosauridae3
- Classification
- Ornithischia > Ornithopoda > Iguanodontia > Hadrosauridae3
- Age of the rocks
- 84 to 72 million years (Campanian)3
- Rock formations
- Kirtland3
- Countries
- USA3
- Fossil records
- 1 in the Paleobiology Database3
- Discovery
- The type specimen was collected by David Gillette and David Thomas from the Kirtland Formation in New Mexico. It was first described as a skull of Kritosaurus by Jack Horner in 1992, then given its own name by Adrian Hunt and Spencer Lucas in 1993.13
- Still debated
- Scientists are still debating whether Naashoibitosaurus is a distinct genus or just a younger individual of Kritosaurus.1
Where the facts come from
- Naashoibitosaurus (en.wikipedia.org)
- PBDB Taxon (paleobiodb.org)
- Naashoibitosaurus in The Paleobiology Database (CC BY 4.0): age, places, rock formations, classification.
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Parasaurolophus
Edmontosaurus
Saurolophus
Hypacrosaurus
Corythosaurus
Kritosaurus
Triceratops
Velociraptor
Spinosaurus
Ankylosaurus
Pteranodon