sentences:  However, Lü in 2006 published a cladistic analysis showing "Boreopterus" to be the sister taxon of "Feilongus" (together forming the new family, Boreopteridae) in a position more basal than "Haopterus".In 2013, a more comprehensive study of pterosaur relationships supported the close relationship of "Boreopterus" and "Feilongus", as well as their relatively basal status among pterodactyloids.Andres & Myers (2013) found the "boreopterids" as the sister group of "Cycnorhamphus" within the archaeopterodactyloid group Gallodactylidae.