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
Plated and Armoured Dinosaurs
Horned Dinosaurs
The Mammal Age Dawns
Grassland Mammals
The Ice Age
Choose a Page:
Belemnites
Cutaway
*Suture Lines*
Shell Shapes
Shell Patterns
Ammonite Bed
Octopus
Belemnite Hooks
Shell Section
The Teeming Seas
Suture Lines
O
ften, the shell of an ammonite has worn away, and the suture lines are visible.
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Book:
Prehistoric Life
Section:
Prehistoric
Chapter:
The Teeming Seas
