首页> 外文期刊>Neues Jahrbuch fur Geologie und Palaontologie. Abhandlungen >New material of Chaoyangopterus (Pterosauria:Pterodactyloidea) from the Early Cretaceous Jiufotang Formation of western Liaoning, China
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New material of Chaoyangopterus (Pterosauria:Pterodactyloidea) from the Early Cretaceous Jiufotang Formation of western Liaoning, China

机译:辽西早白垩世九佛堂组朝阳翅类(Pterosauria:Pterodactyloidea)的新材料

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摘要

A new edentulous pterosaur from the Yuanjiawa beds of the Early Cretaceous Jiufotang Formation in Yuanjiawa, Chaoyang, western Liaoning, China, is described. The fossil, an incomplete and scattered skeleton, including partial skull and lower jaws, is identified as Chaoyangopterus zhangi, based on similar proportions of the limb bones. The specimen shows that Chaoyangopterus possessed moderately elongate mid-cervical vertebrae with low, blade-like neural spines and lacked lateral pneumatic foramina. This discovery not only further supports a distinct Chaoyangopteridae within the Azhdarchoidea, but also provides a new scope for reviewing the evolution of the family Azhdarchidae.
机译:描述了一种来自辽宁朝阳元家洼地区早白垩世九佛堂组元家洼床层的新型无齿翼龙。该化石是不完整且分散的骨骼,包括部分头骨和下颌,根据四肢的相似比例被鉴定为朝阳yang。标本显示,朝阳蝶具有中等伸长的子宫颈中段椎骨,具有低的叶片状神经棘,并且缺乏侧向气孔。这一发现不仅进一步支持了Azhdarchoidea内一个独特的朝阳科,而且为审查Azhdarchidae家族的进化提供了新的范围。

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