...15.doc Key words Ginkgoales, Ginkgoites, Baiera, Sphenobaiera, morphospecies, nomenclature. [gap=12342]关键词 银杏目 ; 似银杏属 ; 拜拉属 ; 楔拜拉属 ; 形态种 ; 命名 ..
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On the other hand, some deciduous gymnosperms including Ginkgoales, and the presence of growth rings in the fossil secondary wood, indicate seasonal changes.
另一方面，落叶的银杏类和松柏类，以及裸子植物木化石中具有清楚的生长轮，又说明该地区的古气候存在着季节变化。
More than 37 species of 22 genera of fossil plants are recognized by the authors from the Shansonggang Basin of southern Jilin, China, including mainly conifers, ginkgoales, ferns and czekanowskiales.
吉林南部杉松岗盆地早侏罗世植物群主要由松柏类、银杏类、真蕨类和茨康类组成，迄今已发现22属37种。
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