• A: 1 pair of large lateral eyes, 3 small median eyes. 大型側眼1対、小型中眼3個。
• B: 2 pairs of small lateral eyes, single large median eye. 小型側眼2対、大型中眼単一。
• C: 1 pair of small lateral eyes, single large median eye, anterior sclerite present. 小型側眼2対、大型中眼単一、先頭の甲皮あり。

References 参考文献:

• Zeng, Han; Zhao, Fangchen; Niu, Kecheng; Zhu, Maoyan; Huang, Diying. (2020-12). An early Cambrian euarthropod with radiodont-like raptorial appendages. Nature 588 (7836): 101–105. doi:10.1038/s41586-020-2883-7

A

• Moysiuk, Joseph; Caron, Jean-Bernard (2022-07-08). A three-eyed radiodont with fossilized neuroanatomy informs the origin of the arthropod head and segmentation. Current Biology. doi:10.1016/j.cub.2022.06.027

B

• O’Flynn, Robert J.; Liu, Yu; Hou, Xianguang; Mai, Huijuan; Yu, Mengxiao; Zhuang, Songling; Williams, Mark; Guo, Jin; Edgecombe, Gregory D. (2023-08-28). The early Cambrian Kylinxia zhangi and evolution of the arthropod head. Current Biology. doi:10.1016/j.cub.2023.08.022

C