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kentrosaurus: herbivore dinosaur from the Jurassic era

Kentrosaurus Facts

Pronunciation: KEN-tro-SORE-us

Name meaning: Spiky Lizard

Diet	Herbivore
Height	1.5m
Length	5m
Weight	2 tonnes
Speed	10 km/h
Environment	Land
Era	Jurassic
Period	Late Jurassic
Type	Stegosaur
Location	Tanzania

Kentrosaurus was a remarkable stegosaur that roamed the ancient landscapes of what is now Tanzania during the Late Jurassic period, roughly 161 to 149 million years ago. This distinctive dinosaur measured about 5 metres in length and stood approximately 1.5 metres tall at the hip, making it smaller than its famous North American cousin Stegosaurus but no less impressive.

What made Kentrosaurus truly extraordinary was its unique defensive armour. Unlike other stegosaurs that relied primarily on plates, Kentrosaurus combined both plates and spikes in a distinctive arrangement. The front half of its back was adorned with triangular plates, whilst the rear half bristled with long, sharp spikes. Its tail was tipped with four formidable spikes, and most unusually for a stegosaur, it had prominent spikes protruding from its shoulders.

As a herbivore, Kentrosaurus browsed on ferns, cycads, and conifers that grew in the lush Late Jurassic forests of East Africa. Its small head housed a simple beak perfect for cropping vegetation, whilst its low-slung posture allowed it to feed on plants close to the ground. Recent studies suggest that Kentrosaurus was actually quite advanced among stegosaurs, closely related to Stegosaurus rather than being a primitive early form as once thought.

What made Kentrosaurus distinctive?

Kentrosaurus had a unique combination of triangular plates along the front half of its back and long spikes on the rear half, creating a distinctive transition from plates to spikes. Most notably, it possessed prominent shoulder spikes, a feature rarely seen in other stegosaurs.

Behaviour

Kentrosaurus likely lived in small herds, using its impressive array of spikes and plates for defence against predators like Ceratosaurus. The shoulder spikes would have been particularly effective weapons when the animal turned sideways to present its armoured flanks to attackers.

Fun Facts About Kentrosaurus

Kentrosaurus is one of the few stegosaurs known to have had shoulder spikes, making it uniquely well-armed among its relatives
The original Kentrosaurus fossil specimens were tragically destroyed during World War II bombing raids on Berlin
Unlike Stegosaurus, Kentrosaurus had more spikes than plates, earning it the nickname 'the spiky stegosaur'
Kentrosaurus shared its Tanzanian habitat with the massive sauropod Giraffatitan, creating one of Africa's most impressive dinosaur communities
Recent research suggests Kentrosaurus could probably move faster than other stegosaurs due to its lighter build and smaller size

Kentrosaurus in Popular Culture

Kentrosaurus has appeared in several documentaries about African dinosaurs and features in various dinosaur encyclopaedias, though it remains less famous than Stegosaurus in popular media.

Discovery

Kentrosaurus was first described by Edwin Hennig in 1915. The original fossils were discovered at Lindi Region, Tanzania.

Kentrosaurus FAQ

What did Kentrosaurus eat?

Kentrosaurus was a herbivore that fed on the abundant plant life of Late Jurassic Tanzania, including ferns, cycads, conifers, and other low-growing vegetation. Its small head and simple beak were perfectly adapted for cropping and processing plant material.

How big was Kentrosaurus?

Kentrosaurus reached about 5 metres in length, stood roughly 1.5 metres tall at the hip, and weighed approximately 2 tonnes. This made it considerably smaller and lighter than its famous relative Stegosaurus.

When did Kentrosaurus live?

Kentrosaurus lived during the Late Jurassic period, approximately 161.5 to 149.2 million years ago, making it roughly contemporary with Stegosaurus in North America.

Where was Kentrosaurus found?

Kentrosaurus fossils were discovered in the Lindi Region of Tanzania in East Africa. This area was part of the famous Tendaguru Formation, one of Africa's richest dinosaur fossil sites.

How do you pronounce Kentrosaurus?

Kentrosaurus is pronounced 'KEN-tro-SORE-us', with emphasis on the first syllable. The name rolls off the tongue quite easily once you break it down into these three parts.

What does Kentrosaurus mean?

Kentrosaurus means 'spiky lizard' or 'pointed lizard', referring to its impressive array of defensive spikes. The name perfectly captures this dinosaur's most distinctive feature.

How fast could Kentrosaurus run?

Kentrosaurus could probably reach speeds of around 10 km/h when necessary. Whilst not built for speed, its smaller size compared to other stegosaurs likely made it more agile than its larger relatives.

What type of dinosaur was Kentrosaurus?

Kentrosaurus was a stegosaur, belonging to the family Stegosauridae. These were herbivorous dinosaurs characterised by their distinctive back armour and spiked tails, perfectly adapted for defence against predators.

Was Kentrosaurus related to birds?

As an ornithischian dinosaur, Kentrosaurus was not directly related to birds. Birds evolved from theropod dinosaurs, which belonged to a different major group. However, all dinosaurs share a common ancestor, so there is a distant relationship.

How many Kentrosaurus fossils have been found?

Several Kentrosaurus specimens were discovered in the early 1900s, but unfortunately the original fossils were destroyed during World War II. Additional fragments have been found since then, but the species remains known primarily from casts and descriptions of the lost specimens.