Land bridges were everywhere during the extinction, many species were spreading, and there were many diseases.-- Robert T. Bakker
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Name: Robert T. Bakker Type: Scientist Nationality: American Birth: March 24, 1945 |
Land bridges were everywhere during the extinction, many species were spreading, and there were many diseases.-- Robert T. Bakker
|
|
Name: Robert T. Bakker Type: Scientist Nationality: American Birth: March 24, 1945 |