辽宁北票义县组中的翼龙个体中等大小,尾短,具腹肋,前肢粗壮,桡、尺骨长于翼掌骨,后肢跖骨极细长,第Ⅴ趾退化但未消失等特征,表明它应为翼手龙亚目早期类型中一个新的属种——杨氏东方翼龙(Eosipterus yangi gen.et sp.nov.)。这是辽西...辽宁北票义县组中的翼龙个体中等大小,尾短,具腹肋,前肢粗壮,桡、尺骨长于翼掌骨,后肢跖骨极细长,第Ⅴ趾退化但未消失等特征,表明它应为翼手龙亚目早期类型中一个新的属种——杨氏东方翼龙(Eosipterus yangi gen.et sp.nov.)。这是辽西翼龙类化石的首次发现,为进一步确定热河动物群的性质、地质时代,以及研究古地理古环境等提供了新资料。展开更多
Recently ,in Jingangshan bed of Yixian F.at Jingangshan,Yixian county,Liaoning province ,a piece of well-preserved Lacertilia fossil material was discovered,It is identical in size and morphological features with Yabe...Recently ,in Jingangshan bed of Yixian F.at Jingangshan,Yixian county,Liaoning province ,a piece of well-preserved Lacertilia fossil material was discovered,It is identical in size and morphological features with Yabeinosaurus tenuis Endo et Shikama,1942 ,which the holotype specimen has lost for a long time.So It is suggested that the speciment discovered in Jingangshan is taken as a neotype of the species.展开更多
文摘辽宁北票义县组中的翼龙个体中等大小,尾短,具腹肋,前肢粗壮,桡、尺骨长于翼掌骨,后肢跖骨极细长,第Ⅴ趾退化但未消失等特征,表明它应为翼手龙亚目早期类型中一个新的属种——杨氏东方翼龙(Eosipterus yangi gen.et sp.nov.)。这是辽西翼龙类化石的首次发现,为进一步确定热河动物群的性质、地质时代,以及研究古地理古环境等提供了新资料。
基金This study was supported by the National Key Basic Research and Development Program of China "(973"Project, 2006CB701405),and the National Natural Science Foundation of China (40272008).
文摘Recently ,in Jingangshan bed of Yixian F.at Jingangshan,Yixian county,Liaoning province ,a piece of well-preserved Lacertilia fossil material was discovered,It is identical in size and morphological features with Yabeinosaurus tenuis Endo et Shikama,1942 ,which the holotype specimen has lost for a long time.So It is suggested that the speciment discovered in Jingangshan is taken as a neotype of the species.
