近年在南岭以南的广东东江流域河源地区东源县上莞镇的碧寿洞中发现较丰富的古哺乳动物牙齿化石。
Abundant mammal teeth fossils have been found in the Bishou Cave of Shangguan Town of Dongyuan County , Heyuan in the Dongjiang River Valley , south of the Nanling Range , China .
上莞镇