Coronosaurus Facts
Pronunciation: koh-ROH-noh-SORE-us
Name meaning: Crowned Lizard
| Diet | Herbivore |
| Height | 2m |
| Length | 5.5m |
| Weight | 2.5 tonnes |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Ceratopsian |
| Location | Alberta, Canada |
Coronosaurus was a remarkable ceratopsian dinosaur that lived during the Late Cretaceous period, approximately 83.6 million years ago. This impressive herbivore roamed the ancient landscapes of what is now Alberta, Canada, alongside other ceratopsians in the diverse ecosystems of the Oldman Formation.
Like other ceratopsians, Coronosaurus was a quadrupedal plant-eater with a distinctive bony frill extending from the back of its skull. What made this dinosaur truly special was the unique crown-like arrangement of horns adorning the top of its frill, which inspired its name meaning 'crowned lizard'. These ornate projections likely served both as display features for attracting mates and as defensive weapons against predators.
Coronosaurus possessed a powerful beak perfect for cropping tough vegetation, along with rows of grinding teeth further back in its jaws for processing plant material. Its sturdy, muscular body was well-adapted for supporting its considerable weight as it moved through the ancient forests and floodplains of Cretaceous Alberta.
Originally described as a species of Centrosaurus in 2005, Coronosaurus was later recognised as sufficiently distinct to warrant its own genus in 2012. The fossil evidence comes from two bone beds discovered by renowned palaeontologist Phillip J. Currie, suggesting these dinosaurs may have lived and died together in herds.
What made Coronosaurus distinctive?
Coronosaurus is distinguished by its unique crown-like arrangement of horns on the top of its frill, which gives it its name meaning 'crowned lizard'. This distinctive ornamentation sets it apart from other ceratopsians and likely served both defensive and display purposes.
Behaviour
Coronosaurus likely lived in herds, as evidenced by the discovery of multiple individuals in bone beds. These social groups would have provided protection from predators and may have engaged in complex display behaviours using their elaborate crown-like frill ornaments during mating seasons or territorial disputes.
Discovery
Coronosaurus was first described by Phillip J. Currie in 2005. The original fossils were discovered at Oldman Formation, Alberta, Canada.
Coronosaurus FAQ
What did Coronosaurus eat?
Coronosaurus was a herbivore that fed on the abundant plant life of
Late Cretaceous Alberta. It used its sharp beak to crop tough vegetation like ferns, cycads, and conifers, then processed this material with rows of grinding teeth further back in its jaws.
How big was Coronosaurus?
Coronosaurus was a medium-sized ceratopsian, measuring approximately 5.5 metres in length and standing about 2 metres tall at the hip. It weighed roughly 2.5 tonnes, making it smaller than giants like
Triceratops but still a substantial herbivore.
When did Coronosaurus live?
Coronosaurus lived during the
Late Cretaceous period, specifically during the middle Campanian stage approximately 83.6 million years ago. This places it in a very specific time slice of Earth's prehistoric past.
Where was Coronosaurus found?
Coronosaurus fossils were discovered in the Oldman Formation of Alberta, Canada. The remains were found in two bone beds by palaeontologist Phillip J. Currie, suggesting multiple individuals lived and died together.
How do you pronounce Coronosaurus?
Coronosaurus is pronounced 'koh-ROH-noh-SORE-us', with emphasis on the second syllable. The name comes from the Latin 'corona' meaning crown and Greek 'sauros' meaning lizard.
What does Coronosaurus mean?
Coronosaurus means 'crowned lizard', derived from the Latin word 'corona' for crown and the Greek 'sauros' for lizard. This name refers to the distinctive crown-like arrangement of horns on top of its bony frill.
How fast could Coronosaurus run?
The running speed of Coronosaurus is unknown, but as a large, heavily-built quadrupedal herbivore, it was likely not built for speed. Like modern rhinos, it probably relied more on its size, horns, and herd behaviour for protection rather than outrunning predators.
What type of dinosaur was Coronosaurus?
Coronosaurus was a ceratopsian dinosaur, belonging to the family Ceratopsidae. These were the classic 'horned dinosaurs' characterised by their bony frills, facial horns, and plant-eating lifestyle during the
Late Cretaceous period.
Was Coronosaurus related to birds?
Coronosaurus was not closely related to birds. As a ceratopsian, it belonged to the ornithischian dinosaurs, while birds evolved from theropod dinosaurs in the saurischian group. However, all dinosaurs share common ancestry as archosaurs.
How many Coronosaurus fossils have been found?
Coronosaurus is known from two bone beds discovered in the Oldman Formation of Alberta. While the exact number of individuals is unclear, the presence of multiple specimens in bone beds suggests several Coronosaurus died together, possibly in herds.
