Ankylosaurus
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Ankylosaurus
  • Name Meaning: “Fused lizard”
  • Habitat: Western North America
  • Length: 30 ft10m
  • Weight: 6 tons6,000 kg
  • Stance: Quadruped
  • Diet: Ferns and other low-growing vegetation
  • Age: Late Cretaceous, 68-66 million years ago

Paleontologists have called Ankylosaurus a “living tank.” It’s easy to see why. This herbivorous dinosaur is well protected with spiky armor from the fused bones of its skull down to the rounded club at the end of its tail.

Fossil imagery courtesy of Natural History Museum of Los Angeles County.

Ankylosaurus
Ankylosaurus Attraction

Did you know?


Their armor is covered with a layer of keratin—exactly the stuff your fingernails are made out of.


Size Chart

Tyrannosaurus rex 40′ long × 16′ tall12m long × 5m tall Apatosaurus 75′ long × 15′ tall23m long × 5m tall Suchomimus 32′ long × 14′ tall10m long × 4m tall Triceratops 30′ long × 10′ tall9m long × 3m tall Edmontosaurus 42′ long × 10′ tall13m long × 3m tall Gallimimus 26′ long × 9′ tall8m long × 3m tall Stegosaurus 30′ long × 9′ tall9m long × 3m tall Parasaurolophus 40′ long × 9′ tall12m long × 3m tall Baryonyx 33′ long × 8′ tall10m long × 3m tall Metriacanthosaurus 24′ long × 6′ tall7m long × 2m tall Ankylosaurus 25′ long × 6′ tall8m long × 2m tall Velociraptor 13′ long × 6′ tall4m long × 2m tall Pachycephalosaurus 16′ long × 6′ tall5m long × 2m tall Microceratus 3′ long × 1′ tall1m long × 0.3m tall Mosasaurus 60′ long 18m long Pteranodon 25′ long8m long Dimorphodon 5′ long1.5m long Tyrannosaurus rex 40′ long × 16′ tall12m long × 5m tall Apatosaurus 75′ long × 15′ tall23m long × 5m tall Suchomimus 32′ long × 14′ tall10m long × 4m tall Triceratops 30′ long × 10′ tall9m long × 3m tall Edmontosaurus 42′ long × 10′ tall13m long × 3m tall Gallimimus 26′ long × 9′ tall8m long × 3m tall Stegosaurus 30′ long × 9′ tall9m long × 3m tall Parasaurolophus 40′ long × 9′ tall12m long × 3m tall Baryonyx 33′ long × 8′ tall10m long × 3m tall Metriacanthosaurus 24′ long × 6′ tall7m long × 2m tall Ankylosaurus 25′ long × 6′ tall8m long × 2m tall Velociraptor 13′ long × 6′ tall4m long × 2m tall Pachycephalosaurus 16′ long × 6′ tall5m long × 2m tall Microceratus 3′ long × 1′ tall1m long × 0.3m tall Mosasaurus 60′ long 18m long Pteranodon 25′ long8m long Dimorphodon 5′ long1.5m long
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