(Table 1) Distribution of early Cretaceous nannofossils in DSDP Hole 77-535
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Species abundances: V = very abundant (> 10 specimens per field of view at 1560 X), A = abundant (1 to 10 specimens per field), C, common (1 specimen per 2-10 fields), F = few (1 specimen per 11-100 fields), R = rare (1 specimen per 101-1000 fields). - = absent.
创建时间：
1984-01-01
