Composite section of cretaceous nannofossils from profile Tarendol, SE France
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C=common (>1 specimen/field view); F=frequent (1 specimen/2-10 fields of view); R=rare (1 speciemen/>11 fields of view)
C=常见(common):单视野(field view)内标本(specimen)数量大于1;F=较常见(frequent):每2~10个视野可见1个标本;R=罕见(rare):每11个以上视野可见1个标本



