一、银杉的残遗性质古植物资料揭示,在西班牙东部,法国南部和阿尔卑斯山南面沿海地区,早中新世地层植物群中,存在银杉属植物的孢粉,地中海西北部沿海盆地和海上钻孔,在上新世地层的植物群中,也有银杉属植物的孢粉出现;至早中更新世,银杉属植物已从地中海西北部消灭。黑海以东,上新世地层,Svechnikova(1964年)发表了两个银杉属化石种(Cathaya europaea.C.abch-asica);在西伯利亚北纬60°的阿尔丹河流 First, the remnant nature of the silver fir ancient plant data reveal that in the eastern Spain, southern France and the southern coast of the Alps, early Miocene stratigraphic flora, the presence of the pollen of the genus, silver mediterranean northwestern coastal basin and Drilling at sea, among the flora of the Pliocene, also occurs with the sporopollen of the genus Cassia; by early Middle Pleistocene, the genus Haliotisides has been extinct from the northwestern Mediterranean. To the east of the Black Sea, the Pliocene strata, Svechnikova (1964) published two Cathaya europaea.C.abch-asica; in the Sultan Alban River at 60 ° N