(Table 1) Distribution of Bolboforma in Neogene sediments of DSDP Hole 12-116...
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资源简介:
R (rare) = 1 to 10, C (common) = 11 to 25, A (abundant) = >25 specimens
R(稀有,rare):1~10份标本;C(常见,common):11~25份标本;A(丰富,abundant):标本数大于25份。



