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Pterofiltrus : ウィキペディア英語版 | Pterofiltrus
''Pterofiltrus'' is a genus of ctenochasmatid pterosaur from the Early Cretaceous of western Liaoning, China. ==Discovery and naming== ''Pterofiltrus'' was named by Jiang Shunxing and Wang Xiaolin in 2011. The type species is ''Pterofiltrus qiui''. The generic name is derived from Greek πτερόν, ''pteron'', "wing", and a Mediaeval Latin ''filtrum'', "felt" or "filter", in reference to the dentition. The specific name honours Professor Qiu Zhanxiang. The holotype of ''Pterofiltrus'', IVPP V12339, was early 21st century discovered at Zhangjiagou in Liaoning Province in a layer of the Jianshangou Beds of the lower Yixian Formation dating from the early Aptian, about 125 million years old. It consists of a disarticulated skull compressed on a slab together with two rami of a hyoid and the first two neck vertebrae.〔
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