This data file contains three measured parameters of early post-embryonic developmental stages of Ellipsostrenua granulosa, in particular cranidial length, cranidial width and intergenal spine separat
This figure Based on data from 1) Shuanghe of Changning and 2) Tianbatou and 3) Huangtian of Gongxian, southern Sichuan; 4) Miaoquan of Xiushan, southern Chongqing; 5) Chaqi of Yichang, western Hubei;
Phacopid trilobites are well documented during the Paleozoic. Nevertheless, while 2D quantitative analyses have advanced our understanding of the morphological relationships among trilobites, the quan
