(Table 6) Ranges of benthic foraminifers through the Oligocene in DSDP Hole 2...
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Benthic foraminifers were counted according to the following scheme: 1 = present, 2 = 2 or more, 3 = 3-5, 4 = 5-10, 6 = 10-30, 7 = 30-50, 8 = 50-75, and 9 = 75-150. Because...
底栖有孔虫（Benthic foraminifers）按照以下分级计数方案进行计数：1级表示存在，2级表示个体数为2个及以上，3级为3~5个，4级为5~10个，6级为10~30个，7级为30~50个，8级为50~75个，9级为75~150个。由于……
