FIGURE 2. Haikouella lanceolata (gen. et sp. nov.) from Haikou, near Kunming.
From the following article:
An early Cambrian craniate-like chordate
Jun-Yuan Chen, Di-Ying Huang and Chia-Wei Li
Nature 402, 518-522(2 December 1999)
doi:10.1038/990080
Abbreviations are as Fig. 1. Scale bars, 5 mm. a, Holotype (EC00213a), a sublateral specimen with subdorsally compressed anterior part, showing Ap, Lb, Br, Eg, Es, G, Nt, Cp and Ba. b, A sublateral specimen (EC00041a), showing mud-filled At and Ph, Atp, Nc, Cp and Buc. c, A sublateral specimen (EC0002a) but with the anterior part (before Ba6) compacted lateroventrally, showing Abv, Br, G and Nt. d, A sublateral specimen (EC00258a), showing mud-filled At, Atp, Nt and Ba. e, A dorsally compacted specimen (EC00231), showing Ap, Va, Ba and Mw running internally through the trunk. f, A twisted specimen (EC00047a), showing Ap and Lb. g, A sublateral specimen (EC00048a) showing Ap, Va, G, It and Cp. h, A sublateral specimen (EC00001a), showing Buc, Nt and an eye on lateral side of head. i, A sublateral specimen with a subventral anterior part (EC00042a), showing Ba, Va, G and It. j, EC00118a compacted subventrally before Ba6 with the rest compacted sublaterally, with a twist between the two parts, showing Ph, Esp, Df, Vf, G and Mg. k, A ventrally curved specimen (EC00012a), showing Co, Buc and Nt.