(Table 1) Pleistocene range chart for stratigraphically important nannofossil species in ODP Hole 131-808C@en
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Species abundance: A = abundant (10-50%, usually more than 10 specimens per viewfield), C = common (1-10%, 1 to 10 specimens per viewfield), F = few (0.1-1%, 1 specimen per 1 to 10 viewfields), R = rare (<01.%, only 1 specimen in more than 10 viewfields), - = absent.
创建时间：
2026-04-14
