(Table 2) Distribution of selected, stratigraphically useful ichthyoliths in ...
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? = broken specimens similar to the subtype, # = similar-appearing specimens. DSDP samples (50 cm**3) that have only bone fragments or are barren of ichthyoliths are samples...
？代表与该亚型相似的破损标本，#代表外观近似的标本。仅含骨骼碎片或无鱼化石（ichthyolith）的深海钻探计划（Deep Sea Drilling Project，DSDP）样品（体积为50立方厘米）即为此类样品……
