早白垩世松柏植物似密叶杉Athrotaxites的三个种

本文对产自辽宁铁法盆地早白垩世小明安碑组的Athrotaxites berryi Bell进行了带叶小枝及球果的补充描述,并做了角质层研究。描述了发现于内蒙古霍林河盆地早白垩世霍林河组的一个新种A.orientalis sp.nov.将辽宁阜新盆地早白垩世阜新组原定为Athrotaxopsis? sp的化石改归Athrotaxites属,并定新种为A.magnifolius（Chen et Meng）sp.nov.。后两者也都做了角质层的生物镜下鉴定。全部的三种还都进行了扫描电子显微镜观察。论文对它们的时代,生态及属的含义也做了论述。     

辽西热河生物群中的水虿化石新发现

本文描述了热河生物群中2个水虿新种：Gomphus? biconuexus sp．nov,和Aeschna?acrodonta sp．nov．,它们分别属于Gomphidae科和Aeshnidae科。化石采自辽西北票黄半吉沟义县组下部(晚侏罗世-早白垩世早期)。     

鄂尔多斯盆地西南部华亭—陇县地区志丹群的孢粉

本文记述了鄂尔多斯盆地西南部志丹群的孢子和花粉。根据孢粉组合特征划分出两个孢粉组合,其中一个组合产自环河-华池组上段,另一个组合产自泾川组,经与已知资料分析对比,前者时代确定为早白垩世早明,后者时代为早白垩世早中期。探讨了两个孢粉组合所反映的古气候环境,指出沉积区在环河-华池组上段沉积时为亚热带偏湿的气候,并在某种程度上受干旱气候的控制,泾川组沉积时为热带、亚热带偏干旱气候。对孢粉植物群分区问题做了论述,说明研究区志丹群的孢粉植物群应归于G. F. Herngreen和A. F. Chlonova(1981)划分的北极-欧州亚省(Borea-Europcan)。文中描述了五个新种:Divisisporites palmalus sp. nov., Biretisporites minor sp.nov., Camarozonosporites scabratus sp. nov., Piceaepollenities minulus sp. nov. 和 Inaperturopollenitesplicatus sp. nov.。     

内蒙古霍林河盆地早白垩世植物化石

本文研究了内蒙古霍林河盆地霍林河组下含煤段的植物化石,共鉴定了21属36种。植物组合以蕨类占优势,银杏类、苏铁类和松柏类均有一定比例,同海拉尔盆地大磨拐河组所含植物组合成分相似。地层对比表明,霍林河组与海拉尔盆地的大磨拐河组和伊敏组可以对比,也能同阜新盆地的沙海组和阜新组对比。植物组合成分及地层对比都表明该植物组合时代为早白垩世早期。本文还描述了5个新种: Coniopteris huolinhensis sp.nov,Cladophlebis neimengensis sp.nov,pterophyllum huolinhense Sp.nov.pl.angustifolium Sp.nov,Nilssonia zelimunsia Sp.nov.     

鄂尔多斯盆地西南部华亭—陇县地区志丹群...

本文记述了鄂尔多斯盆地西南部志丹群的孢子和花粉。根据孢粉组合特征划分出两个孢粉组合,其中一个组合产自环河-华池组上段,另一个组合产自泾川组,经与已知资料分析对比,前者时代确定为早白垩世早期,后者时代为早白垩世早中期。探讨了两个孢粉组合所反映的古气候环境,指出沉积区在环河-华池组上段沉积时为亚热带偏湿的气候,并在某种程度上受干旱气候的控制,泾川组沉积时为热带、亚热带偏干旱气候。对孢粉植物群分区问题做了论述,说明研究区志丹群的孢粉植物群应归于G.F.Herngreen和A.F.Chlonova(1981)划分的北极-欧州亚省(Boreal-European)。文中描述了五个新种:Divisisporites palmatus sp.nov.,Biretisporites minor sp.nov.,Camarozonosporites scabratus sp.nov.,Piceaepollenites minutus sp.nov.和Ina-perturopollenites plicatus sp.nov.。     

浙江天台盆地蛋化石与恐龙的绝灭

综合报道了浙江天台盆地产出的蛋化石，其中包括新建立的龟鳖化石蛋科(新科)Tesmdoolithidae ram. nov.和天台蛋属(新属)Tiantaioolithus gen. nov.,以及5个新种：Dendroolithus shuangtangensis sp. nov.,Elongatoolithus chichengshanensis sp. nov,Elongatoolithus laijiaensis sp. nov,Spheroolithus jincunensis sp. nov,Tiantaioolithus jiangi sp. nov。这批蛋化石以赤城山组出现的类型最为丰富，有长形蛋、树枝蛋、圆形蛋、龟鳖类化石蛋等；赖家组蛋化石数量少，仅见长形蛋和圆形蛋类，其时代均为晚白垩世。推测天台蛋化石消失的原因是由于气候变冷，受精卵不能正常孵化所致。孵化率降低，生殖链打断，可能是引起恐龙绝灭的原因之一。     

蒙古东南部晚中生代木化石

本文报道了产自蒙古东南部晚侏罗世至早白垩世的木材化石7属8种。其中,包括3个新种(Protaxodioxylon mongolense sp.nov.,Circoporoxylon mongolense sp.nov.,Protocircoporoxylon mongolense sp.nov.)和5个已知种(Protocupressinoxylon coromandelinum,Protocupressinoxylon mishanense,Xenoxylon latiporosum,Protophyllocladoxylon franconicum,Protocedroxylon lindicianum)。作者对这些木化石解剖特征做了详细描述,并对其古气候环境进行了分析与探讨。     

辽宁西部阜新组化石木材的研究

本文报道了产自辽宁西部阜新地区早白垩世阜新组的化石木材3属4种,对2个化石木材新种：Sciadopityoxylon liaoningense Ding(sp.nov.),Protophyllocladoxylon haizhouense Ding(sp.nov.)做了详细描述。对阜新组木化石所反映的古生态环境等进行了讨论。     

中国北方晚侏罗世晚期—早白垩世早期的 新叶肢介化石

新叶肢介化石共有3属5种,其中2属4种产自新疆准噶尔盆地早白垩世早期的清水河组,包括Shiheziestheria pangi Wang（gen.et sp.nov.）,Nestoria jungarensis Wang(sp.nov.),Nestoria shawanensis Wang(sp.nov.),Nestoria donggouensis Wang( sp. nov.);另1属1种 Eosestheria yaozhanensis sp.nov.,产自冀北围场县腰站乡晚侏罗世晚期的大北沟组。     

热河生物群中蜘蛛和蟹奴化石几个新种

由于蜘蛛身体表面所覆盖的体壳较薄，通常保存为化石的几率较小，因此，蜘蛛化石是一类较为稀有的化石。热河生物群中的蜘蛛化石迄今尚未进行过系统描述。本文报道了属于Araneidae Leach，1819(园蛛科)、Gnaphosidae(平腹蛛科)和Theidiidae Sundeva1833(球腹蛛科)6个蜘蛛新种：Araneus liaoxiensis sp．nov．，A．aethus p．nov．，A．reheensissp．nov．，A．beipiaoensis sp，nov．，Gtuzphosq liaoningensiss p．nov．和Theridion atalus sp．nov．；以及蟹奴幼虫的一个化石新属种Mesosacculina papposa gen．etsp．nov．。这些化石均采自辽西北票黄半吉沟义县组下部(晚侏罗世-早白垩世)。     

Fossil Liverworts from the Lower Cretaceous Huolinhe Formation in Inner Mongolia, China

A new genus and species, Rebouliothallus huolinhensis sp. nov., and two uncertain species, Ricciopsis sp. and Hepaticites sp., are described. The fossils were collected from the Lower Cretaceous Huolinhe Formation of Huolinhe Basin, northeastern China. The new genus Rebouliothallus was established in the Aytoniaceae family of Marchantiales. Rebouliothallus huolinhensis appears to be quite similar to species of the extant genus Reboulia Raddi. The species is characterized by the relatively large ventral scales. Ventral scales are large, imbricate and arranged in two rows on the ventral surface. Rhizoids are either pegged or smooth. Ricciopsis sp. is characterized by the rosette-forming thallus. Hepaticites sp. shows some similarities to liverworts. Of the forty-nine Early Cretaceous floras of China, only two floras, one from the Huolinhe basin, Inner Mongolia and the other from the Jixi Basin, Heilongjiang Province, contain fossil liverworts. The rare fossil liverwort records in the Early Cretaceous floras of China may be the result of taphonomic bias.     

Ginkgo Huolinhensis sp.nov.from the Lower Cretaceous of Huolinhe Coal Field,Inner Mongolia,China

A new species,Ginkgo huolinhensis sp.nov.,with well-preserved cuticle from the Lower Cretaceous,Huolinhe Formation of Huolinhe Coal Field in Inner Mongolia,China,was studied morphologically and anatomi...     

甘肃酒泉盆地早白垩世植物化石及其古气候意义

首次较系统报道了产于甘肃酒泉盆地下白垩统的植物化石,分为两个植物组合。Athrotaxites-Solenites组合产于赤金堡组上段,有Solenites luanpingensis Wang,Pityocladus cf.i waianus(ishi)Chow,Pityocladus sp.,Athrotaxites berryi Bell等,时代大致为早白垩世早期,反映潮湿或半干旱半潮湿气候。Brachyphyllum-Pseudofrenelopsis组合见于中沟组上部,包括Sphenopterissp.,Pseudofrenelopsis dalatzensis(Chowet Tsao)Cao ex Zhou,Cupressinocladus elegans(Chow)Chow,Cupressinocladus sp.,Pagiophyllumyumenense sp.nov.,Pagiophyllumcompressum sp.nov.,Pagiophyllum sp.,Brachyphyllumningshiaense Chow et Tsao,Brachyphyllumobtusum Chow et Tsao,Elatocladus sp.,Podozamites sp.,Carpolithus sp.等12种,时代为Aptian-Albian期,反映干旱型气候。     

内蒙古霍林河煤田内蒙古拟刺葵(新种)Phoenicopsis (Phoenicopsis) neimengensis sp.nov.的首次发现

笔者首次发现了内蒙古霍林河煤田霍林河组(K1h)茨康类拟刺葵属拟刺葵亚属的一个新种—内蒙古拟刺葵(Phoenicopsis(Phoenicopsis)neimengensis sp.nov.)。该新种以表皮构造下气孔式,上表皮细胞未见乳突,下表皮普通表皮细胞发育中央乳突,气孔器副卫细胞多发育乳突,孔缝不定向等特征区别于拟刺葵属已知种。新种的研究对于了解拟刺葵属(Phoenicopsis)的分类,以及恢复古地理、古气候有重要作用。     

新疆喀喇昆仑山奥陶纪几种三叶虫

喀喇昆仑山基本上属于地质空白区.1982年新疆地质矿产局区调大队四分队所采获的三叶虫等化石,描述了9属9种,其中5个新种,3个未定种,化石组合可以分为三个化石带:3.Lituites带;2.Ptychopyge-Chislioceras-Dideroceras带;1.Psilocephalina-Yinjiangia带.属于扬子型动物群.     

Fossil coniferous wood from the Early Cretaceous Jehol Biota in western Liaoning,NE China: New material and palaeoclimate implications

The Early Cretaceous Jehol Biota, one of the most important Mesozoic lagerstätten in East Asia, is especially well-known for occurrences of fossil feathered dinosaurs and early angiosperms. However, the terrestrial biodiversity, especially the fossil wood record, is poorly known. In this study, several structurally preserved coniferous wood specimens from the Lower Cretaceous Yixian Formation are investigated, based on collections from the Heichengzi Basin in Beipiao of western Liaoning, Northeast China. Four species referred to four genera of fossil wood are described, including Taxodioxylon heichengziense sp. nov., Thujoxylon beipiaoense sp. nov., Sciadopityoxylon liaoningense Ding and Protocedroxylon shengjinbeigouense sp. nov. These new records enlarge the fossil wood diversity of the Yixian Formation up to 10 species in 9 genera, and provide further insights into the forest vegetation composition of the Early Cretaceous Jehol Biota. Systematic analysis of the floral constitution indicates that the petrified forests of the Yixian Formation are dominated by conifers, represented by Araucariaceae, Podocarpaceae, Sciadopityaceae, Pinaceae and Cupressaceae in the western Liaoning region. Palaeoclimatical analysis of the fossil wood assemblage implies that the western Liaoning region was dominated by a cool temperate, wet and seasonal climate with variable interannual water supply in the western Liaoning region during the Early Cretaceous.     

Second species of enantiornithine bird from the Lower Cretaceous Changma Basin,northwestern China with implications for the taxonomic diversity of the Changma avifauna

We report on a new enantiornithine bird, Dunhuangia cuii, gen. et sp. nov., from the Lower Cretaceous Xiagou Formation of the Changma Basin, northwestern China. Although the material is incomplete, Dunhuangia cuii preserves unique coracoidal and sternal morphologies that distinguish it from other known enantiornithines; this specimen represents only the second enantiornithine reported from the Changma Basin that is diagnostic at the species level. This study enriches our understanding of the enantiornithine component of this ornithuromorph-dominated, Early Cretaceous avifauna.