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Boreopteridae
Boreopteridae (meaning "northern wings") is a group of ornithocheiroid pterosaurs from the Aptian-age Lower Cretaceous Yixian Formation of Liaoning, China.
==Classification==
In 2006, Lü and colleagues named the clade Boreopteridae for the clade containing the common ancestor of ''Boreopterus'' and ''Feilongus'' and all its descendants, which the authors reclassified as close relatives of the ornithocherids. (''Feilongus'' had originally been considered a gallodactylid). Many possible boreopterids were subsequently described,〔 one possible example being ''Aetodactylus'', which has been claimed to be similar to ''Boreopterus''. Originally considered close relatives of the ornithocheirids, many of these supposed boreopterids have been found to belong to other groups of the pterodactyloid lineage. ''Boreopterus'' and ''Feilongus'' were found by Andres and colleagues in 2013 to be closely related to ''Cycnorhamphus'', making them members of the Gallodactylidae as had been originally thought when ''Feilongus'' was discovered. A subsequent analysis including the other supposed boreopterids found that ''Boreopterus'' itself, and therefore the name Boreopteridae, was indeed a member of the ornithocheiroid clade, but that ''Feilongus'' was in fact a ctenochasmatoid closely related to ''Gnathosaurus''.〔 According to Andres and colleagues (2014), the true boreopterid clade is limited to ''Boreopterus'', ''Guidraco'', and ''Zhenyuanopterus''.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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