Suskityrannus Facts
Pronunciation: sus-KEE-tie-RAN-us
Name meaning: Coyote Tyrant
| Diet | Carnivore |
| Height | 0.9m |
| Length | 3m |
| Weight | 20 kg |
| Speed | 25 km/h |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Theropod |
| Location | North America |
Suskityrannus was a small theropod dinosaur that lived approximately 94 million years ago during the Late Cretaceous period in what is now New Mexico, USA. This diminutive predator represents one of the earliest known members of the tyrannosaur lineage, providing crucial insights into how these fearsome hunters evolved from much smaller ancestors.
Standing less than a metre tall at the hip and measuring about 3 metres in total length, Suskityrannus was roughly the size of a large dog. Despite its relatively small stature, it possessed the characteristic features of later tyrannosaurs, including powerful hind limbs built for running and sharp, serrated teeth designed for slicing through flesh. Its long tail provided balance whilst hunting and running.
As a carnivore, Suskityrannus likely preyed upon smaller dinosaurs, early mammals, and other vertebrates that shared its environment. Its lightweight build and long legs suggest it was an agile pursuit predator, capable of chasing down swift prey across the ancient floodplains of Cretaceous North America. The discovery of this theropod has helped palaeontologists understand that tyrannosaurs began as small, fast hunters before evolving into the massive apex predators like Tyrannosaurus rex that dominated later Cretaceous ecosystems.
The fossils of Suskityrannus were discovered in the Moreno Hill Formation, where they had been preserved in ancient river deposits. This early tyrannosaur lived alongside other dinosaurs including the giant crocodylomorph Deinosuchus and various ornithopod dinosaurs.
What made Suskityrannus distinctive?
Suskityrannus had exceptionally long, slender legs relative to its body size, suggesting it was built for speed rather than power. It possessed the characteristic tyrannosaur skull shape but in miniature form, with sharp, blade-like teeth and forward-facing eyes for judging distance when hunting.
Behaviour
Suskityrannus was likely an active pursuit predator that relied on speed and agility to catch its prey. Its small size would have allowed it to hunt smaller animals that larger predators might have ignored, filling a unique ecological niche in its ancient ecosystem.
Discovery
Suskityrannus was first described by Sterling Nesbitt in 2019. The original fossils were discovered at Moreno Hill Formation, New Mexico, USA.
Suskityrannus FAQ
What did Suskityrannus eat?
Suskityrannus was a carnivore that hunted smaller prey including small dinosaurs, early mammals, lizards, and other vertebrates. Its sharp, serrated teeth were perfectly designed for slicing through flesh and bone.
How big was Suskityrannus?
Suskityrannus was quite small for a tyrannosaur, standing about 90 centimetres tall at the hip and measuring 3 metres in total length. It weighed approximately 20 kilograms, making it roughly the size of a large dog.
When did Suskityrannus live?
Suskityrannus lived during the
Late Cretaceous period, approximately 93.9 million years ago. This makes it one of the earliest known tyrannosaurs, living about 20 million years before T. rex.
Where was Suskityrannus found?
Suskityrannus fossils were discovered in the Moreno Hill Formation in New Mexico, USA. The specimens were found in ancient river deposits that preserved the bones for millions of years.
How do you pronounce Suskityrannus?
Suskityrannus is pronounced 'sus-KEE-tie-RAN-us'. The name comes from the Zuni word 'suski' meaning coyote, combined with the Greek word 'tyrannos' meaning tyrant.
What does Suskityrannus mean?
Suskityrannus means 'coyote tyrant'. The name reflects both its relatively small size (like a coyote compared to later giant tyrannosaurs) and its predatory nature as an early tyrannosaur.
How fast could Suskityrannus run?
Based on its long, slender leg bones, scientists estimate Suskityrannus could run at speeds of around 25 km/h. Its lightweight build and proportionally long legs suggest it was built more for speed than the later giant tyrannosaurs.
What type of dinosaur was Suskityrannus?
Suskityrannus was a theropod dinosaur, specifically an early member of the tyrannosaur family (Tyrannosauridae). It represents one of the earliest known tyrannosaurs, showing how this famous group evolved from much smaller ancestors.
Was Suskityrannus related to birds?
Yes, like all theropod dinosaurs, Suskityrannus was more closely related to modern birds than to any living reptile. Birds are actually living dinosaurs that evolved from small theropod dinosaurs during the Mesozoic Era.
How many Suskityrannus fossils have been found?
Suskityrannus is known from two partial skeletons discovered in New Mexico. While not complete, these fossils include enough bone material to understand the animal's size, diet, and relationship to other tyrannosaurs.
