In 2024,Ji Qiang et al.established a new species,namely,Homo yunxianensis,based on the fossil human cranium(EV9001)unearthed from the Xuetangliangzi site of Yunxian County,Hubei Province,China,and characterized by dev...In 2024,Ji Qiang et al.established a new species,namely,Homo yunxianensis,based on the fossil human cranium(EV9001)unearthed from the Xuetangliangzi site of Yunxian County,Hubei Province,China,and characterized by developing 16 teeth on the maxilla,two slightly curved,thick brow ridges,but no sagittal ridge along the cranial midline.Homo yunxianensis developed the skull of type C,which was considered as the descendant of Homo erectus and later evolved into Homo orientalis with 31 to 29 teeth orally.In this paper,we restudy the skull(the holotype)of the Jinniushan man,which was found in the cave crevasse deposit(Point A)on the southeast slope of the Jinniushan Hill in Yingkou City,Liaoning Province by the teachers and students of the Archaeology Department of Peking University in 1984.The skull shows some distinct characters as follows:the cranial fornix is medium tall;the sagittal ridge does not developed;the brow ridges are thick and slightly curved;the upper jaw has 16 teeth preserved in situ;and the posterior end(the transition part)is obtuse in shape.These features mentioned above show that the Jinniushan cranium represents a new species:Homo jinniushanensis sp.nov.,rather than Homo erectus,Homo yunxianensis,and archaic or early Homo sapiens.We suggested that Homo jinniushanensis sp.nov.is probably the intermediate form transitional from Homo yunxianensis to Homo(H.)sapiens.展开更多
A new family of so-called ‘higher’ planthoppers, Weiwoboidae fam. nov., from the Lower Eocene of Yunnan is described. A new monotypic genus, Weiwoboa gen. nov., with Weiwoboa meridiana sp. nov. is also described and...A new family of so-called ‘higher’ planthoppers, Weiwoboidae fam. nov., from the Lower Eocene of Yunnan is described. A new monotypic genus, Weiwoboa gen. nov., with Weiwoboa meridiana sp. nov. is also described and illustrated. The characters of tegmen venation of the new family, its evolution, and supposed relationships are briefly discussed.展开更多
A new genus Microelectrona gen. nov. and species Microelectrona cladara sp. nov. of the extinct tribe Protodikraneurini of the leafhoppers （Cicadellidae： Typhlocybinae） from the Eocene Baltic amber is described. Th...A new genus Microelectrona gen. nov. and species Microelectrona cladara sp. nov. of the extinct tribe Protodikraneurini of the leafhoppers （Cicadellidae： Typhlocybinae） from the Eocene Baltic amber is described. The piece of amber containing leafhopper inclusion is broken, unveiling some of the morphological structures, and enabling their studies using scanning electron microscopy.展开更多
文摘In 2024,Ji Qiang et al.established a new species,namely,Homo yunxianensis,based on the fossil human cranium(EV9001)unearthed from the Xuetangliangzi site of Yunxian County,Hubei Province,China,and characterized by developing 16 teeth on the maxilla,two slightly curved,thick brow ridges,but no sagittal ridge along the cranial midline.Homo yunxianensis developed the skull of type C,which was considered as the descendant of Homo erectus and later evolved into Homo orientalis with 31 to 29 teeth orally.In this paper,we restudy the skull(the holotype)of the Jinniushan man,which was found in the cave crevasse deposit(Point A)on the southeast slope of the Jinniushan Hill in Yingkou City,Liaoning Province by the teachers and students of the Archaeology Department of Peking University in 1984.The skull shows some distinct characters as follows:the cranial fornix is medium tall;the sagittal ridge does not developed;the brow ridges are thick and slightly curved;the upper jaw has 16 teeth preserved in situ;and the posterior end(the transition part)is obtuse in shape.These features mentioned above show that the Jinniushan cranium represents a new species:Homo jinniushanensis sp.nov.,rather than Homo erectus,Homo yunxianensis,and archaic or early Homo sapiens.We suggested that Homo jinniushanensis sp.nov.is probably the intermediate form transitional from Homo yunxianensis to Homo(H.)sapiens.
基金supported by the following research projects: the Scientific Exchange Project of Chinese Academy of Sciences and Polish Academy of Sciences"Palaeobiodiversity of Fulgoromorpha and Cicadomorpha(Insecta:Hemiptera) of Daohugou Biota"and the Chinese-Polish Scientific and Technological Cooperation Project"Fulgoromorpha and Cicadomorpha(Insecta:Hemiptera) of the Daohugou Biota: Morphology,Classification,Evolution"supported by a research grant from the Ministry of Science and Higher Education of Poland(No.NN 303 2979 37) awarded to JS+2 种基金QBL and DYH acknowledge financial support from the National Science Foundation of China(grant No.40672013 and 40632010)Chinese Academy of Sciences(grant No.KZCX2- YW-QN104)the Major Basic Research Projects (2006CB806400) of the Ministry of Science and Technology of China
文摘A new family of so-called ‘higher’ planthoppers, Weiwoboidae fam. nov., from the Lower Eocene of Yunnan is described. A new monotypic genus, Weiwoboa gen. nov., with Weiwoboa meridiana sp. nov. is also described and illustrated. The characters of tegmen venation of the new family, its evolution, and supposed relationships are briefly discussed.
基金supported by a research grant from the Ministry of Science and Higher Education of Poland(no.NN 303 2979 37) awarded to JS
文摘A new genus Microelectrona gen. nov. and species Microelectrona cladara sp. nov. of the extinct tribe Protodikraneurini of the leafhoppers （Cicadellidae： Typhlocybinae） from the Eocene Baltic amber is described. The piece of amber containing leafhopper inclusion is broken, unveiling some of the morphological structures, and enabling their studies using scanning electron microscopy.
