Among the magnoliaceous fossils, the earliest one is Archimagnolia rostrato-stylosa Tao et Zhang reported from the Lower Cretaceous Dalazi Formation of Yanji district, Northeast China.
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该科最早的化石记录为中国东北延吉地区早白垩世大拉子组的喙柱始木兰Archimagnolia rostrato-stylosa Tao et Zhang。