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Land bridge that
陆桥说
是解释古生物空间分布的一种假说。为美国地质学家舒克特所提出,他认为两块陆地之间有许多岛屿分布,构成大陆间桥梁地带;有些古生物学者借此假说来解释古生物物种在海洋间的差异与大陆间的相似。目前该假说还未被地质学家和古生物学家普遍接受。