【摘要】 辽宁地区木化石丰富，现已发现早侏罗世松柏类硅化木材 5属 8种，其中包括 2个新种， 2个修订种， 3个已知种及 1个未定种，即： Protophyllocladoxylon chaoyangense Zhang et Zheng sp. nov.,P. franconicum Vogellehner, Protosciadopityoxylon liaoxiense Zhang et Zheng sp. nov., P. jeholense (Ogura) Zhang et Zheng comb. nov., Sciadopityoxylon heizyoense(Shimakura) Zhang et Zheng comb. nov., Protocedroxylon dibneri (Shilkina) Shilkina et Chudajb., Xenoxylon latiporosum Gothan, X.? sp.。本文对新种作了描述，对前人鉴定有误的属种进行了修订，并概述了 5个产地木材化石组合特征及其古气候环境。更多还原

【Abstract】 Early Jurassic coniferous woods are collected from West and South Liaoning province,China.The fossil woods mainly have 8 species which belong to 5 genera.They are Protophyllocladoxylon chaoyangense Zhang et Zheng sp.nov.,P.franconicum Vogellehner,Protosciadopityoxylon liaoxiense Zhang et Zheng sp.nov.P.jeholense(Ogura) Zhang et Zheng comb.nov.,Sciadopityoxylon heizyoense(Shimakura) Zhang et Zheng comb.nov.,Protocedroxylon dibneri(Shilkina)Shilkina et Khudajberdyev,Xenoxylon latiporosum Gothan and Xenoxylon ? sp. In the paper,two new species,the above first and third species, are described and two known species,the above fourth and fifth species,are reviewed.Assemblages of the fossil woods from 5 localities are sumarized and the climatic features shown by these assemblages are discribeed.更多还原