Prehistoric Life
Prehistoric
Secrets in Stone
The Earliest Fossils
The Silurian Reef
Trilobites
Fish
The Coal Forests
Early Reptiles and Amphibians
Sea Reptiles
Flying Reptiles
The Teeming Seas
Hunting Dinosaurs
Biggest Dinosaurs
Two-Footed Plant Eaters
Horned Dinosaurs
The Mammal Age Dawns
Grassland Mammals
The Ice Age
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Skulls
The skulls of the club-tailed armoured dinosaurs had broad mouths. Those of the spiky armoured dinosaurs had narrow mouths.
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Book:
Prehistoric Life
Section:
Prehistoric
Chapter:
Plated and Armoured Dinosaurs