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New data derived from studies done on living elephants and reported by the American Institute of Biological Sciences (BioScience
Odonatans have small antennae
See numbers 347
similar to the Gulf Coast of the United States today
and is known from the Late Eocene to Early Miocene
Pikaia gracilens, 2 specimens from the Burgess Shale, replica Tyrannosaurus Rex New data derived from studiesA primitive chordate from the Burgess Shale More than 1 2 billion years old, the fossils of the Burgess Shale fauna preserve for us an intriguing glimpse of early animal life on Earth. These fossils are named after a Cambrian rock formation (the Burgess Shale) that is located in the western Canadian Rockies. They were first discovered there in 1909 by Charles D. Walcott, then Secretary of the Smithsonian Institution. Living among the variety of