Supplementary Fig 1
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资源简介：
Simple dm/ASarea plot to outline the position of the various studied cross sections. The nine specimens divide into three groups: 1) Forms with a high ASA (*Nautilus*, *Macrocephalites* and in the adult stage *Hammatocyclus*), 2) Forms with a moderate ASA (*Revilloceras* and *Joannites*, *Metalegoceras* in the adult stage) and 3) Forms with low ASA (*Choffatia* and *Sageceras*).
创建时间：
2018-01-01
