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By Name (e.g., Triceratops, Mammoth, Dimetrodon) |
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By Classification (e.g., Reptiles, Mammals, Amphibians) |
By Geographic Location (e.g., USA, UK, Canada) |
By Cladistic Relationships (e.g., "Family Trees") |
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By Geological Time Period (e.g., Cretaceous, Eocene, Permian) |
By Paleontologist / Author (Animal's Namer) |
By Diet (e.g., Carnivors, Herbivors) |
By Comparisons (e.g., Tallest, Heaviest, Collectibles) |
