| 黑龙江嘉荫晚白垩世银杏属(Ginkgo)新材料 |
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| 引用本文： | 公繁浩.黑龙江嘉荫晚白垩世银杏属(Ginkgo)新材料[J].世界地质,2007,26(2):146-151,172. |
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| 作者姓名： | 公繁浩 |
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| 作者单位： | 吉林大学,古生物学与地层学研究中心,长春,130026;吉林大学,地球科学学院,长春,130061 |
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| 基金项目： | 教育部国家外专局111项目;吉林大学校科研和教改项目 |
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| 摘 要： | 报道了产自黑龙江嘉荫晚白垩世太平林场组的两种银杏化石:具毛银杏(Ginkgo pilifera Samylina)及太平银杏(新种)(Ginkgo taipingensis sp.nov.)。新种以双面气孔式、上表皮具一定数量的气孔、普通表皮细胞垂周壁厚而弯曲、平周壁具毛状体散布以及下表皮普通表皮细胞垂周壁弯曲等特征,区别于其他已知银杏化石种。
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| 关 键 词： | 银杏属 新种 晚白垩世 黑龙江 嘉荫 |
| 文章编号： | 1004-5589（2007）02-0146-07 |
| 修稿时间： | 2006-11-152007-05-08 |
New material of Ginkgo from Upper Cretaceous in Jiayin of Heilongjiang |
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| GONG Fan-hao.New material of Ginkgo from Upper Cretaceous in Jiayin of Heilongjiang[J].World Geology,2007,26(2):146-151,172. |
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| Authors: | GONG Fan-hao |
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| Abstract: | Two species of Ginkgo,including Ginkgo pilifera and taipingensis sp.nov.,are reported from the Upper Cretaceous Taipinglinchang Formation in Jiayin of Heilongjiang,China.The new species differs other known species of Ginkgo in amphistomatal epidermis in type,some stomata in upper cuticle with thick and sinuous anticlinal walls of ordinary epidermal cells and with trichomes;and in having sinuous anticlinal walls of ordinary epidermal cells in the lower cuticle. |
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| Keywords: | Ginkgo new species Upper Cretaceous Heilongjiang Jiayin |
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