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. 2019 Sep 13;19:402. doi: 10.1186/s12870-019-1980-y

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© The Author(s). 2019

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. 6 — Paleogeographic maps of Mesocyparis. (a), Late Cretaceous; (b) Paleocene. NA = North America; TU = Turgai Straits. The data of paleolatitude and paleolongitude were converted from those of latitude and longitude of fossil sites using “PointTracker for Windows” software, and plotted on 2 individual paleogeographical maps on Projections of Lambert Equal-Area Azimuthal (North Pole) by using ArcGIS 3.2 software. The base maps of the late Cretaceous and the Paleocene were modified from Scotese [23]