Title: When Fish Got Feet, Sharks Got Teeth, and Bugs Began to Swarm
Subtitle: A Cartoon Prehistory of Life Long Before Dinosaurs
Subjects: Fossil Fishes, Paleontology, Miscellanea, Prehistoric animals, Juvenile literature, Fossil Animals, Silurian Geologic Period, Devonian Geologic Period, Paleozoic Geologic Period, Fossils, Paleontology, juvenile literature
Time periods: Silurian, Devonian, Paleozoic