(Table 3A) Eocene distribution of calcareous nannofossils at DSDP Hole 43-384@en
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Species distribution: A = abundant (>10 % of total Cenozoic forms), C = common (1-10 %), F = few (0.1-1 %), R = rare (<0.1 %), - = absent
物种分布等级:A为丰富型(占新生代总生物类群的10%以上),C为常见型(占1%~10%),F为少量型(占0.1%~1%),R为稀少型(占比低于0.1%),符号“-”表示缺失
创建时间:
2026-04-09



