An alvarezsaurid dinosaur skeleton was discovered from the Late Cretaceous Qiupa Formation of Luanchuan,Henan Province of eenttral China.It represents a new alvarezsaurid dinosaur Qiupanykus zhangi gen.et sp.nov.A phy...An alvarezsaurid dinosaur skeleton was discovered from the Late Cretaceous Qiupa Formation of Luanchuan,Henan Province of eenttral China.It represents a new alvarezsaurid dinosaur Qiupanykus zhangi gen.et sp.nov.A phylogenetic analysis recovers Qiupanykus nested within the unresolved clade,which includes Asian and north American taxa.The skeleton of the new specimen is preserved in association with eggshells.The eggshell morphologies show that these eggs belong to oviraptorid eggs,skeletal remains of which were discovered from the same area.The alvarezsaurid skeleton associated with eggshell fragments may indicate that these eggs were broken by the strong thumb-claws of the former and that alvarezsaurid dinosaurs may be egg-eaters.展开更多
基金the National Natural Science Foundation of China (41672019 and 41688103)the project from the China Geological Survey (20160126).
文摘An alvarezsaurid dinosaur skeleton was discovered from the Late Cretaceous Qiupa Formation of Luanchuan,Henan Province of eenttral China.It represents a new alvarezsaurid dinosaur Qiupanykus zhangi gen.et sp.nov.A phylogenetic analysis recovers Qiupanykus nested within the unresolved clade,which includes Asian and north American taxa.The skeleton of the new specimen is preserved in association with eggshells.The eggshell morphologies show that these eggs belong to oviraptorid eggs,skeletal remains of which were discovered from the same area.The alvarezsaurid skeleton associated with eggshell fragments may indicate that these eggs were broken by the strong thumb-claws of the former and that alvarezsaurid dinosaurs may be egg-eaters.