(Table 2) Occurrence of radiolarians in the Paleocene of DSDP Hole 21-208 off...
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= very rare (1-2 specimens per slide), R = rare (3-10), F = few (11-50), C = common (>50), - = absent, x = in core catcher samples described by Dumitrica (1973).
= 极稀有（每张载玻片仅含1~2个标本），R = 稀有（每张载玻片含3~10个标本），F = 少量（每张载玻片含11~50个标本），C = 常见（每张载玻片标本数>50），- = 缺失（无该类标本），x = 见于Dumitrica（1973）描述的岩心捕集器（core catcher）样品中
