. . . "Land Bridge" . . "Bering Strait land bridge" . . "Beringia refuge" . "Bering Strait Land Bridge Theory" . "sub-continent also existed between Siberia and Alaska" . . "Beringia region" . "Beringian landbridge" . . "Beringia Standstill Hypothesis" . "the Bering Land Bridge" . "land bridge" . "the region" . "Bering Sea land bridge" . "Beringia" . . "Beringian refugium" . "spread into the Old World" . . "Beringia land bridge" . "Bering Strait Land Bridge" . "Bering land bridge" . "Eastern Beringia" . "land bridge between North America and Asia" . . . . "Bering Land Bridge" . "Beringian land bridge" . "the land connecting North America and Asia" . "Bering landbridge" . . "Beringian gap" . "Beringia" . "the land bridge between Asia and North America" . "Bering Land bridge" . "the Bering land bridge" .