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. 2015 Dec 18;15:285. doi: 10.1186/s12862-015-0566-z

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© Chipman. 2015

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — The phylogenetic hypothesis of Panarthropoda used for this work. The phylogeny is compiled and simplified from several sources, most notably [8], with some modifications. Node names in italics are individual species. Names in capitals are extant taxa. All others are fossil taxa. The phylogeny is divided into three main groups: lower stem taxa, upper stem taxa and crown group Arthropoda. Some members of the “Lobopodia” probably belong in the arthropod lower stem (e.g., Jianshanopodia, Megadictyon), but due to the lack of resolution in that group, and because they are outside the scope of this analysis, the stem group is marked as beginning with Kerygmachela