Hylaeosaurus
Hylaeosaurus was an armoured dinosaur that lived about 136 million years ago in England. It had long spikes on its shoulders and a body covered in bony plates. It was one of the first dinosaurs ever discovered and helped scientists understand what dinosaurs were.12
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Hylaeosaurus was one of the first three dinosaurs ever named by scientist Richard Owen in 1842, along with Iguanodon and Megalosaurus.1
Its fossils were discovered in 1832 when a gunpowder explosion blasted open a quarry face in Tilgate Forest, England.1
Hylaeosaurus had at least three long, curved spines on its shoulder, the longest being 42.5 centimetres (about 16.7 inches).1
It was the first ankylosaur (armoured dinosaur) ever found.1
Only one good skeleton has been found, and much of its body is still unknown to scientists.1
The name Hylaeosaurus means 'forest lizard' because it was found in the Tilgate Forest area.1

Mees gevraagde vrae oor Hylaeosaurus
?How big was Hylaeosaurus?
Hylaeosaurus was about 5 metres (16 feet) long, though some estimates range from 3 to 6 metres (10 to 20 feet). It weighed about 2 tonnes (2.2 short tons).12
?What did Hylaeosaurus eat?
Hylaeosaurus was herbivorous, meaning it ate plants. It had a beak used to crop low-lying vegetation.12
?When did Hylaeosaurus live?
Hylaeosaurus lived about 136 million years ago, during the Early Cretaceous period, specifically the Valanginian stage.12
?Where was Hylaeosaurus found?
Hylaeosaurus fossils were found in England, specifically in the Grinstead Clay of West Sussex. Possible remains have also been reported from France, Germany, Spain, and Romania.12
?Was Hylaeosaurus a dinosaur?
Yes, Hylaeosaurus was a dinosaur, specifically an armoured ankylosaurian dinosaur. It was one of the first three dinosaurs named by Richard Owen in 1842.14
?Did Hylaeosaurus have spikes?
Yes, Hylaeosaurus had at least three long, curved spines on its shoulder, the longest being 42.5 centimetres (16.7 inches). It also had armour plates on its body.1
Vir dino-kenners
- Wetenskaplike naam
- Hylaeosaurus
- Benoem deur
- Mantell 18335
- Groep
- Gepantserde dino's
- Familie / klade
- Nodosauridae5
- Klassifikasie
- Ornithischia > Ankylosauria > Nodosauridae > Thyreophora5
- Ouderdom van die rotse
- 139 tot 110 miljoen jaar (Berriasian / Albian)5
- Rotsformasies
- Tunbridge Wells Sand, Bückeberg, Weald Clay5
- Lande
- Verenigde Koninkryk, Duitsland, Frankryk5
- Fossielrekords
- 10 in The Paleobiology Database5
- Ontdekking
- Hylaeosaurus was discovered by Gideon Mantell in 1832 after a quarry explosion revealed its bones in Tilgate Forest, England. Mantell named it in 1833.1
- Steeds omstrede
- Scientists are not sure whether Hylaeosaurus was a nodosaurid or a more primitive ankylosaurid, because its skeleton is incomplete.1
Waar die feite vandaan kom
- Hylaeosaurus (en.wikipedia.org)
- Hylaeosaurus | Natural History Museum (nhm.ac.uk)
- Hylaeosaurus armatus | Dinosaur Database by DinoAnimals.com (dinoanimals.com)
- Hylaeosaurus | dinosaur genus | Britannica (britannica.com)
- Hylaeosaurus in The Paleobiology Database (CC BY 4.0): ouderdom, plekke, rotsformasies, klassifikasie.
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