Othnielia Facts
Pronunciation: oth-nee-EE-lee-ah
Name meaning: For Othniel
| Diet | Herbivore |
| Height | 0.5m |
| Length | 1.5m |
| Weight | 10 kg |
| Speed | 25 km/h |
| Environment | Land |
| Era | Jurassic |
| Period | Late Jurassic |
| Type | Ornithopod |
| Location | North America |
Othnielia was a small ornithopod dinosaur that lived during the Late Jurassic period, approximately 155 to 152 million years ago. Originally described as a separate genus, modern palaeontologists now consider Othnielia to be the same creature as Nanosaurus agilis, which was first named by the famous fossil hunter Othniel Charles Marsh in 1877. The name Othnielia itself honours Marsh, being derived from his first name.
This nimble ornithopod inhabited the ancient floodplains and forests of what is now the western United States, where its fossils have been discovered in the Morrison Formation. Measuring about 1.5 metres in length and standing roughly half a metre tall at the hips, Othnielia was built for speed and agility. Its lightweight build, long legs, and bipedal stance made it well-suited for quickly escaping from predators that roamed the Late Jurassic landscape.
As a herbivore, Othnielia fed on the abundant plant life of its time, including ferns, cycads, and early conifers. Its small, leaf-shaped teeth were perfectly adapted for cropping and processing vegetation. The dinosaur's long tail helped it maintain balance while running, and its alert posture suggests it was constantly vigilant for threats from theropod predators like Allosaurus and Ceratosaurus that shared its environment.
What made Othnielia distinctive?
Othnielia was characterised by its small, lightweight build with long, slender legs built for running. It had a relatively long tail for balance and small, sharp teeth suited for processing plant material.
Behaviour
Othnielia was likely a highly alert and agile dinosaur, using its speed to escape predators. It probably lived in small groups, foraging for low-growing vegetation and remaining constantly watchful for danger.
Discovery
Othnielia was first described by Peter M. Galton in 1977. The original fossils were discovered at Morrison Formation, Colorado, USA.
Othnielia FAQ
What did Othnielia eat?
Othnielia was a herbivore that fed on the plants available during the
Late Jurassic period, including ferns, cycads, horsetails, and early conifers. Its small, leaf-shaped teeth were well-suited for cropping vegetation and basic plant processing.
How big was Othnielia?
Othnielia was quite small, measuring about 1.5 metres long and standing roughly 0.5 metres tall at the hips. It weighed approximately 10 kilograms, making it one of the smaller dinosaurs of the
Late Jurassic period.
Where was Othnielia found?
Othnielia fossils have been discovered in North America, specifically in the Morrison Formation of Colorado, USA. This rock formation has yielded many important
Late Jurassic dinosaur fossils across the western United States.
How do you pronounce Othnielia?
Othnielia is pronounced 'oth-nee-EE-lee-ah', with the emphasis on the third syllable. The name flows quite smoothly when spoken aloud.
What does Othnielia mean?
Othnielia means 'for Othniel', honouring the famous American palaeontologist Othniel Charles Marsh, who was instrumental in discovering and naming many dinosaurs during the late 1800s, including what we now know as
Nanosaurus.
How fast could Othnielia run?
Based on its long legs and lightweight build, Othnielia could likely run at speeds of up to 25 km/h. This speed would have been crucial for escaping from the large predatory dinosaurs that shared its environment.
What type of dinosaur was Othnielia?
Othnielia was a small ornithopod dinosaur, representing an early member of the group that would later include the duck-billed hadrosaurs. It belonged to the bird-hipped dinosaurs (Ornithischia) and is now considered synonymous with
Nanosaurus.
Was Othnielia related to birds?
Despite its name suggesting otherwise, Othnielia was an ornithischian (bird-hipped) dinosaur, but it was not closely related to modern birds. Birds actually evolved from theropod dinosaurs, which belonged to the lizard-hipped (saurischian) group.
How many Othnielia fossils have been found?
Only a limited number of Othnielia fossils have been discovered, mainly from the Morrison Formation. The fossil record for this small dinosaur is quite sparse, which is typical for small-bodied dinosaurs that were less likely to be preserved than their larger relatives.