Coronosaurus: The Crowned Lizard of the Late Cretaceous

Unearth the fascinating history of the Coronosaurus, a unique dinosaur from the Late Cretaceous period. This magnificent creature is known for its distinctive crown-like horns and its discovery in the rich fossil beds of Alberta, Canada.

Let’s embark on a journey back in time, to an era when dinosaurs roamed the earth. Our focus today is on a particular dinosaur, the Coronosaurus. This name might not ring a bell to many but don’t let its relative obscurity fool you. This dinosaur, with its unique features and intriguing history, is a fascinating subject of study for anyone interested in paleontology.

Coronosaurus Key Facts

KeywordFact
Coronosaurus pronunciationkor-o-no-saw-ruhs
Meaning of nameCrowned lizard
GroupOrnithopod
Type SpeciesCentrosaurus brinkmani
DietHerbivore
When it Lived83.5 to 72.1 MYA
PeriodLate Cretaceous
EpochLate/Upper Campanian to Campanian
Length16.0 ft
Height13 ft
Weight2.0 tons
MobilityMoved on four legs
First DiscoveryBetween 1996 and 2000 by Phillip Currie
Location of first findAlberta, Canada
First Described by2005 by Michael J. Ryan and Anthony P. Russell
HolotypeBB 138 and MRR BB

Coronosaurus Origins, Taxonomy and Timeline

A realistic depiction of a Coronosaurus, a genus of ceratopsid dinosaur, in a walking pose. The Coronosaurus has a robust body with greenish skin, speckled with red spots and orange highlights around the limbs. Its head is adorned with a distinctive frill and two large, forward-pointing horns above its eyes

The name of this dinosaur translates to “crowned lizard”. The name is derived from the Latin word “corona“, meaning crown, and the Greek word “sauros“, meaning lizard. This is a nod to the unique, crown-like shape of the horns on the top of its frill, a feature that sets it apart from other dinosaurs.

Belonging to the Ornithopoda group, the Coronosaurus is a member of the Ceratopsidae family. Its type species is Coronosaurus brinkmani. As far as we know, there are no subspecies or sister taxa of this dinosaur. Like other members of its family, the Coronosaurus was an herbivore that fed on the vegetation of its time.

This herbivorous dinosaur lived during the Late Cretaceous period, specifically from the Late Campanian to the Campanian epoch. This places its existence near the end of the Mesozoic in a time when dinosaurs were the dominant terrestrial vertebrates.

It was first discovered between 1996 and 2000 in Alberta, Canada, by Canadian paleontologist Phillip J. Currie. It was later described by Michael J. Ryan and Anthony P. Russell in 2005, adding a new chapter to our understanding of dinosaur diversity and evolution.

Discovery & Fossil Evidence

A photo of a Coronosaurus fossil exhibit in a museum. The fossil is primarily a large skull mounted on a metal stand, showcasing the intricate details of the dinosaur's head structure. The skull features prominent horns and a distinctive frill typical of ceratopsid dinosaurs.
ケラトプスユウタ, CC BY-SA 4.0, via Wikimedia Commons

The discovery of this genus is a testament to the tireless efforts of paleontologists in unearthing the secrets of our planet’s past. The first fossils of this dinosaur were found in Alberta, Canada, between 1996 and 2000 by Phillip J. Currie. These initial finds were significant and provided valuable insights into a previously unknown dinosaur species.

It was later described by Michael J. Ryan and Anthony P. Russell in 2005. Their work shed light on the unique features of this dinosaur–particularly its distinctive, crown-like horns. The fossils found were well-preserved and allowed for a detailed study of the dinosaur’s physical characteristics.

Since this dinosaur was discovered relatively recently, there is still much to learn about it. However, the fossils that have been found so far have provided some intriguing clues. For instance, the Coronosaurus is known for its distinctive frill that is adorned with crown-like horns. This feature not only gives the dinosaur its name but also provides insights into its possible behaviors and lifestyle.

Coronosaurus Size and Description

This is a dinosaur that stands out for its unique physical characteristics. Its most distinctive feature is its row of crown-like horns atop its frill. This feature not only gives the dinosaur its name but also provides insights into its possible behaviors and lifestyle.

Short description of Coronosaurus 

The Ceratopsidae family is one known for their frills and horns. The Coronosaurus, in particular, has a frill adorned with crown-like horns, a feature that sets it apart from other dinosaurs. Other physical characteristics, such as its body shape, head, neck, vertebrae, limbs, tail, and skin, are still under study. As for its locomotion, it is not yet clear whether it moved on two or four feet.

Size and Weight of Type Species 

The exact size and weight are currently unknown as the fossils found so far do not provide enough information to make accurate estimates. However, based on its classification as a Ceratopsid, it is likely that the Coronosaurus was a medium to large-sized dinosaur. Further discoveries and studies will hopefully provide more information on this topic.

The Dinosaur in Detail

This is a fascinating dinosaur that offers a unique glimpse into the world of the Late Cretaceous period. Its distinctive frill, adorned with crown-like horns, sets it apart from other dinosaurs and provides insights into its possible behaviors and lifestyle.

The frill of the Coronosaurus is not just a decorative feature. It likely played a crucial role in the dinosaur’s survival, possibly serving as a form of protection or a means of communication. The shape and size of the horns could have varied between individuals, potentially indicating differences in age, sex, or social status.

The discovery of the Coronosaurus has also contributed to our understanding of dinosaur diversity and evolution. Its unique features and the location of its first find in Alberta, Canada, suggest that there was a rich and diverse dinosaur fauna in this region during the Late Cretaceous period.

The Coronosaurus in its Natural Habitat

A vivid illustration depicting a prehistoric forest scene with Coronosaurus and Albertaceratops. The Coronosaurus, characterized by its ornate horns and frill, is prominently displayed in the foreground, walking along a dense forest floor with lush vegetation.
ABelov2014, CC BY-SA 3.0, via Wikimedia Commons

This dinosaur lived during the Late Cretaceous period, a time when dinosaurs were the dominant terrestrial vertebrates. It inhabited what is now Alberta, Canada, a region known for its rich dinosaur fauna. At the time, western Canada was a part of a paleocontinent known as Laramidia–one of two continents formed by the seaway splitting North America.

As an herbivore, the Coronosaurus likely fed on the vegetation of its time. Its diet, along with its unique physical characteristics, would have influenced its behavior and lifestyle. For instance, the shape and size of the horns could have been used for display or combat and possibly influenced the social dynamics within a Coronosaurus herd.

The Late Cretaceous period was a time of significant change in terms of climate and geography. The environment would have been diverse, with a mix of forests, plains, and water bodies. The herbivorous diet of this dinosaur would have meant it was well-adapted to this environment, feeding on a variety of plants.

Like other herbivores, the Coronosaurus would have played a crucial role in shaping the ecosystem around it. It would have influenced the vegetation patterns and its movements and behaviors could have affected the landscape and other organisms in its habitat.

Interesting Points about Coronosaurus

  1. It is known for its distinctive frill that is adorned with crown-like horns. This feature not only gives the dinosaur its name but also provides insights into its possible behaviors and lifestyle.
  2. This dinosaur was discovered relatively recently, between 1996 and 2000, in Alberta, Canada.
  3. It is a member of the Ceratopsidae family which is known for their frills and horns.
  4. The exact size and weight are currently unknown, as the fossils found so far do not provide enough information to make accurate estimates.
  5. It is still unknown whether it moved on two or four legs, as both methods of locomotion are used by Ceratopsids.

Contemporary Dinosaurs

This Laramidian dinosaur shared its world with a captivating array of contemporaries. Among these were the Centrosaurus, Styracosaurus, Chasmosaurus, and Daspletosaurus–each contributing to the intricate dynamics of their shared ecosystem.

The Centrosaurus, although smaller in stature, was a formidable presence. Its unique horned frill and robust build may have served as a deterrent to potential predators, possibly even including the Coronosaurus. The Styracosaurus, with its impressive array of long spikes adorning its neck frill, presented a stark contrast to the Coronosaurus. This striking dinosaur might have been a competitor for resources, adding a layer of tension to their coexistence. Yet, their shared environment necessitated a delicate balance, a testament to the intricate web of life during this prehistoric era. The Chasmosaurus, with its large frill and three prominent horns, might have been a formidable sight for the Coronosaurus. 

On the other hand, the Daspletosaurus–a large and powerful predator–could have posed a significant threat. Even in the face of these potential challenges the Coronosaurus thrived, a testament to its adaptability and resilience in this diverse and dynamic ecosystem.

List of All Dinosaurs

We have created a list of all dinosaurs we have covered here, sorted across the seven main groups of dinosaurs. We also include information about their type of diet, (omnivore, herbivore or carnivore) and the time they lived.

Frequently Asked Questions

When was the Coronosaurus discovered?

It was discovered between 1996 and 2000.

Who discovered this dinosaur?

It was discovered by Canadian paleontologist Phillip J. Currie.

What does the name mean?

The name translates to “crowned lizard” and comes from Latin and Greek roots.

What was the diet of this dinosaur?

It was an herbivore that fed on the plants and vegetation of its time.

Where was it found?

The first fossils were found in Alberta, Canada.

When did the Coronosaurus live?

It lived during the Late Cretaceous period, specifically from the Late Campanian to the Campanian epoch, between 83.5 and 72.1 million years ago.

Sources

This article was last fact checked:Joey Arboleda, 06-11-2023

Featured Image Credit: Nobu Tamura, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons