(Table 1) Range chart for stratigraphically important radiolarian species in ...

Sediment depth is given in mbsf. Species abundance estimates as follows: A = abundant, F = few, R = rare, + = single specimen, - = searched for but not found, and ? = dubious...沉积物深度以米海底以下（meters below sea floor，mbsf）为单位。物种丰度分级标准如下：A代表丰富（abundant），F代表少量（few），R代表罕见（rare），+代表单个标本，-代表经搜索未发现，？代表存疑……