Struthiosaurus Facts
Pronunciation: STROO-thee-oh-SORE-us
Name meaning: Ostrich Lizard
| Diet | Herbivore |
| Height | 1m |
| Length | 2.5m |
| Weight | 350 kg |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Ankylosaur |
| Location | Austria, Romania, France |
Struthiosaurus was a small ankylosaur that lived during the Late Cretaceous period, approximately 84 to 72 million years ago. This heavily armoured dinosaur inhabited what is now Austria, Romania, France, and possibly Hungary, making it one of the best-known European ankylosaurs of its time.
Measuring just 2-3 metres in length and weighing between 300-400 kilograms, Struthiosaurus was considerably smaller than many of its North American ankylosaur relatives. Its compact body was covered in bony plates called scutes, along with spikes and knobs that provided excellent protection against predators. Despite its fearsome appearance, this ankylosaur was a peaceful plant-eater with a small head and weak jaws designed for processing soft vegetation.
Struthiosaurus lived on islands that formed part of the European archipelago during the Late Cretaceous. The isolated island environment may explain its relatively small size compared to mainland ankylosaurs - a phenomenon known as island dwarfism. Its low-slung body and four sturdy legs were well-suited for browsing on low-growing plants, ferns, and cycads that grew in the warm, humid climate of Cretaceous Europe.
Fossils of Struthiosaurus have provided valuable insights into European dinosaur diversity during the final stages of the Mesozoic Era, showing that ankylosaurs successfully colonised many different continents and environments before the mass extinction event that ended the age of dinosaurs.
What made Struthiosaurus distinctive?
Struthiosaurus was distinguished by its heavily armoured body covered in bony plates, spikes, and knobs, combined with an unusually small size for an ankylosaur. Its compact build and island-dwelling adaptations made it quite different from the massive ankylosaurs found elsewhere in the world.
Behaviour
Struthiosaurus likely moved slowly across the landscape, using its low height to browse on ground-level vegetation and small shrubs. When threatened, it probably relied on its heavy armour plating and may have crouched close to the ground to protect its vulnerable underside, presenting only its spike-covered back to predators.
Struthiosaurus FAQ
What did Struthiosaurus eat?
Struthiosaurus was a herbivore that fed on low-growing plants, ferns, cycads, and other vegetation available in
Late Cretaceous Europe. Its small head and weak jaws were adapted for processing soft plant material rather than tough, woody vegetation.
How big was Struthiosaurus?
Struthiosaurus was quite small for an ankylosaur, measuring 2-3 metres in length, about 1 metre in height, and weighing approximately 350 kilograms - roughly the size and weight of a small car.
When did Struthiosaurus live?
Struthiosaurus lived during the
Late Cretaceous period, approximately 83.6 to 72.2 million years ago, spanning from the Santonian to Maastrichtian stages of the Cretaceous.
Where was Struthiosaurus found?
Struthiosaurus fossils have been discovered in Austria, Romania, France, and possibly Hungary. These areas were part of an island chain in the ancient Tethys Sea during the
Late Cretaceous period.
How do you pronounce Struthiosaurus?
Struthiosaurus is pronounced 'STROO-thee-oh-SORE-us', with emphasis on the first syllable. The name breaks down into 'Struthio' (like the ostrich genus) and 'saurus' (lizard).
What does Struthiosaurus mean?
Struthiosaurus means 'Ostrich Lizard'. The name was chosen because some of the first fossils discovered were thought to resemble ostrich bones, though we now know it was a heavily armoured dinosaur quite different from any bird.
How fast could Struthiosaurus run?
The running speed of Struthiosaurus is unknown, but like other ankylosaurs, it was likely quite slow due to its heavy armour and short legs. It probably relied on its protective plating rather than speed to avoid predators.
What type of dinosaur was Struthiosaurus?
Struthiosaurus was an ankylosaur, specifically belonging to the nodosaurid family. Ankylosaurs were heavily armoured, plant-eating dinosaurs known for their bony plates, spikes, and club-like tails, though Struthiosaurus lacked the tail club.
Was Struthiosaurus related to birds?
No, Struthiosaurus was not closely related to birds. As an ankylosaur, it belonged to the ornithischian dinosaurs, while birds evolved from theropod dinosaurs in the saurischian group. Despite its name meaning 'Ostrich Lizard', it shared no close relationship with ostriches.
How many Struthiosaurus fossils have been found?
Multiple Struthiosaurus specimens have been discovered across several European countries since 1871, including skulls, armour plates, and other skeletal elements. However, like many European dinosaurs, complete skeletons are rare, and much of our knowledge comes from fragmentary remains.
