According to the fossil records and the distribution pattern of extant Magnoliaceae, the results can be drawn as follows: 1) This family originated no later than Early Cretaceous (Aptian to Albian).

• 根据现有化石记录 ,并结合木兰科现代植物的地理分布 ,推测 :1)木兰科的起源时间不迟于早白垩世Aptian Albian期 ;