在北非不同的地方使用这个名称，包括从石炭纪到早白垩纪的地层。

The term is used at various localities in north africa, includes beds ranging from carboniferous to early cretaceous .

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卡以头组名称在首次公开发表时，指明标准剖面符合地层规范要求。

When the name of the Kayitou Formation was made public for the first time, the designated type section conformed the standard of the stratigraphic code.

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第二部分是建议采用的岩石地层单位名称索引（一）、（二）；

The second is the index of these lithostratigraphic units;

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