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:
Wenlock Limestone
Ischadites
Gissocrinus
Favosites
The Silurian Reef
*Platyceras*
Meristina
Platyceras
G
astropods - the snails - are among the oldest fossils.
Platyceras
had a hooked tip to the shell.
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Book:
Prehistoric Life
Section:
Prehistoric
Chapter:
The Silurian Reef
