Maximum and mean diameter record of Orbulina universa from DSDP Hole 47-397 o...
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Measurements of the diameter of O. universa carried out on 30 specimens from 39 samples covering a sediment thickness of 78 m and going back in time to approximately 750 000 y...
本数据集包含对39份样本中的30个圆球抱球虫（O. universa）标本的直径测量结果，所涉样本覆盖78米沉积厚度，时间跨度可回溯至约75万年……
