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Andres, B.; Clark, J.; Xu, X. (2014). «The Earliest Pterodactyloid and the Origin of the Group». Current Biology24: 1011-6. PMID24768054. doi:10.1016/j.cub.2014.03.030.
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Andres, B.; Clark, J.; Xu, X. (2014). «The Earliest Pterodactyloid and the Origin of the Group». Current Biology24: 1011-6. PMID24768054. doi:10.1016/j.cub.2014.03.030.