它是一个曾经广泛分布的龟类科目——两爪鳖科科(Carettochelyidae)的唯一幸存者，并且在全球范围内的分布非常有限——你只能在澳大利亚北部和新几内亚岛上找到它们。

It is the sole survivor of a once widespread family of turtles called the Carettochelyidae, and has a restricted global distribution, being only found in north Australia and New Guinea Island.

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