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(see diagram at right)
This replica Edmontosaurus lumbar vertebra was collected as part of a 60% complete skeleton in the Cretaceous
The smallest species
These flower-like marine invertebrate animals are beautifully colored and live as solitary individuals
000 square miles
Keichousaurus hui, marine reptile Gallimimus (see diagram at right)Keichousaurus hui was a semi aquatic reptile from Triassic China. They are believed to have lived in a marshy environment. Due to a robust ulna, it is believed that they were able to make their way onto land. They are considered members of the Pachypleurosauridae, which also included its contemporary the Nothosauridae. The genus name, Keichousaurus, is derived from the location where it was first found in 1957, Keichou Province. Pachypleurosaurs are
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