辽宁早白垩世化石木一新属——原始金松型木(Protosciadopityoxylon) |
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引用本文: | 张武,郑少林.辽宁早白垩世化石木一新属——原始金松型木(Protosciadopityoxylon)[J].Acta Botanica Sinica,1999,41(12):1312-1316. |
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作者姓名: | 张武 郑少林 |
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作者单位: | 沈阳地质矿产研究所!沈阳110032 |
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基金项目: | SupportedbytheNationalNaturalScienceFoundationofChina (No .4970 2 0 19) . |
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摘 要: | 报道了辽宁早白垩世化石木的一个新属—原始金松型木 (Protosciadopityoxylongen .nov .)。该属化石以辽宁原始金松型木 (Protosciadopityoxylonliaoningensegen .etsp .nov .)为代表。文中对新属新种进行了描述 ;讨论了新属与现存金松属 (Sciadopitys)及化石金松型木属 (Sciadopityoxylon)的关系 ;并与其相似的原始叶枝杉型木属 (Protophyl locladoxylon)、原始圆孔木属 (Protocircoporoxylon)及异木属 (Xenoxylon)作了比较。
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关 键 词: | 辽宁 早白垩世 化石木 原始金松型木属 |
A New Genus (Protosciadopityoxylon gen .nov .) of Early Cretaceous Fossil Wood from Liaoning ,China |
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Authors: | ZHANGWu ZHENGShao_Lin DINGQiu_Hong |
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Abstract: | Anewgenus (Protosciadopityoxylongennov .)ofEarlyCretaceousfossilwoodreportedinthepre sentpaperwasdiscoveredfromLiaoningProvince ,China ,andisnamedasanewspecies :Protosciado pityoxylonliaoningensegen .etsp .nov .Itisdescribedhereandthisgenericname ,adoptedbytheauthors ,is employedforfossilwoodthatisbelievedtobenearlyrelatedtotherecentgenusSciadopitysandthefossil genusSciadopityoxylon .ThenewgenusbearssomesimilaritiestoProtophyllocladoxylon ,Protocircoporoxylon andXenoxylonindifferentgeologicalages ,butitdiffersfromtheminthetypesofcross_fieldpitting . |
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Keywords: | Liaoning EarlyCretaceous Fossilwood Protosciadopityoxylon (gen nov ) |
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