(Table 4) Paleogene calcareous nannofossil stratigraphy of ODP Hole 120-748C
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Species abundance: A = abundant (>50%), C = common (10-50%), F = few (<10%), R = rare (one to few specimens), - = absent
物种丰度(Species abundance):A代表丰富型(abundant,丰度占比>50%),C代表常见型(common,丰度占比10%~50%),F代表稀少型(few,丰度占比<10%),R代表罕见型(rare,仅存在1至数个标本),-表示未出现(absent)



