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in a separate volume
which ran all along its back giving it an eel-like appearance
Involute means small or tightly spiraled as opposed to evolute or broadly outward spiraling
Because their armor was so fragile
the most famous of which are the handful of specimens of the ancient bird Archaeopteryx
Keichousaurus hui, 3 Triassic Marine Reptiles Ouranosaurus in a separate volumeKeichousaurus hui 3 Triassic Marine Reptiles Keichousaurus hui (KEE chi oh SAUR us) was an early reptile (not a dinosaur) that lived during the Triassic period, roughly 210 million years ago. This specimen is a composite showing 3 specimens as in a mass mortality. Keichousaurus was about 6 11 inches long and had a long neck, a long tail, five toed feet with long digits, and a pointed head with sharp teeth. It may have lived in the water. This
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