File:Highly simplified pterosaur phylogeny (14126046861).jpg

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Highly simplified pterosaur phylogeny ? topology based on that recovered by Unwin [57] ? to show phylogenetic content of clade names used in the text.Caelidracones, Breviquartossa and Lophocratia are all node-based clades named by Unwin [57]. Novialoidea is a node-based clade named by Kellner [56]; it is essentially identical in content and definition to Unwin?s Longchognatha [57]. Pterodactyloidea was defined by Unwin [57] as the node-based Pteranodon longiceps+Quetzalcoatlus northropi clade but by Kellner [56] as the Pterodactylus antiquus+Quetzalcoatlus northropi clade. Neither definition is satisfactory since neither ?captures? all taxa in all topologies. Pterosaur silhouettes provided by Mark Witton.
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Source Figure 6
Author PLOS ONE PHYLOGENY

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This image was originally posted to Flickr by plosone-phylo at https://flickr.com/photos/123621741@N08/14126046861 (archive). It was reviewed on 24 May 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

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current18:13, 24 May 2019Thumbnail for version as of 18:13, 24 May 20194,288 × 1,956 (579 KB)Awkwafaba (talk | contribs)Transferred from Flickr via #flickr2commons

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