FIGURE 2. The Lower Cambrian agnathan vertebrate Myllokunmingia fengjiaoa Shu, Zhang & Han gen. et sp. nov. from Haikou, Yunnan.
From the following article:
Lower Cambrian vertebrates from south China
D-G. Shu, H-L. Luo, S. Conway Morris, X-L. Zhang, S-X. Hu, L. Chen, J. Han, M. Zhu, Y. Li and L-Z. Chen
Nature 402, 42-46(4 November 1999)
doi:10.1038/46965

Specimen ELI-0000201. a, Entire specimen, anterior end to the right, posterior tip incomplete owing to post-mortem folding; scale bar equivalent to 5 mm. b, Detail of the head region of the fossil, to emphasize structures interpreted as gill pouches; scale bar equivalent to 5 mm. c, Anterior of counterpart, to show series of ventral structures interpreted as possible extrabranchial atria; scale bar equivalent to 3 mm.
