Yuan, Jun-xia; Sheng, Gui-lian; Hou, Xin-dong; Shuang, Xiao-yan; Yi, Jian; Yang, Hong; Lai, Xu-long 2013. Ancient DNA sequences from Coelodonta antiquitatis in China reveal its divergence and phylogeny. Science China Earth Sciences 57 (3): 388-396. { copied = true; setTimeout(() => copied = false, 10000); }).catch(err => { console.error('Failed to copy:', err); }); " type="button" :class="copied ? 'bg-secondary border-secondary' : 'border-primary hover:bg-primary'" class="group lg:min-w-64 flex items-center justify-between gap-5 border border-solid px-5 py-2 cursor-pointer transition-colors"> PDF download available