Proponents of this hypothesis point out that a prolonged connection with the open ocean would also explain how dolphins, manatees, stingrays and other marine creatures made their way into the heart of the continent.
Proponents of this hypothesis point out that a prolonged connection with the open ocean would also explain how dolphins, manatees, stingrays and other marine creatures made their way into the heart of the continent.
支持这项假设的人指出，与开阔海域连结的时间延长，也可以解释海豚、海牛、魟鱼和其他海洋生物如何进入大陆中心。