= Zhikun Gai
{c}
A <paleontologist> who investigated the <anatomy> of early jawless <vertebrates>, using <galeaspid> evidence to test hypotheses about the origin of <paired appendages>.<Galeaspid anatomy and the origin of vertebrate paired appendages by Zhikun Gai and others>[Author roster and research findings]{ref}
\Image[https://www.ivpp.ac.cn/sourcedb/zw/rck/yjy/201407/P020140728545648638799.jpg]
{title=Portrait of <Zhikun Gai>}
{description=External portrait hosted by Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences.}
{source=https://www.ivpp.ac.cn/sourcedb/zw/rck/yjy/201407/t20140728_4168302.html}
{width=250}
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