doushantuo Posted December 6, 2018 Share Posted December 6, 2018 zhouzhitrilobarthropevolRSL.pdf Evolutional trends and Paleobiogography of the Ordovician Trilobite Ovalocephalus Korleva 1959 Zhou Zhiyi,Yuan Wenwei,Zhou Zhiqiang Proceedings of the Royal Society,B,2010,v.277,p.257-266 2 Quote Link to post Share on other sites
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