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Newly identified softshell turtle lived alongside T. rex and Triceratops（图）
软壳龟 霸王龙 三角龙 白垩纪末期
2023/7/11
Anewly described softshell turtle that lived in North Dakota 66.5 million years ago at the end of the Cretaceous Period, just before the end-Cretaceous mass extinction, is one of the earliest known sp...