(Tab. 3) Distribution of benthic foraminifera in Lower Cretaceous sediments o...
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A = abundant, C = common, R = rare, - = absent
A = 丰富(abundant),C = 常见(common),R = 稀有(rare),- = 缺失(absent)

A = abundant, C = common, R = rare, - = absent
A = 丰富(abundant),C = 常见(common),R = 稀有(rare),- = 缺失(absent)