Fig. 1 in A new euarthropod from the Cambrian Stage 4 Guanshan Biota of South China

Fig. 1. Euarthropod Astutuscaris bispinifer gen. et sp. nov. from the Cambrian Stage 4 Guanshan Biota, Lihuazhuang village, Yunnan, China. A. RCP 0002a, part of the sole specimen; showing the head shield, 11 imbricated tergites most with pleural spines, and two terminal spines (A1, A2); possible eyes (A3, A4, A5); first appendages with small spines (A3, A4, white arrows); endopod with at least five podomeres (A6). B. RCP 0002b, counterpart of the sole specimen; note the 11 imbricated tergites and trunk limbs (B1, B2); restored specimenby digitally combining the part and counterpart, the dashed line indicating the contact (B3); interpretive drawing of the narrow doublures of thoracic tergites marked in dark grey (B4); T7–T10 and pleural spines (B5); detail of the unknown structure (B6); the limb with an endopod and a possible exopod (B7); single endopod under T1 and T2 respectively (B8); T11 and two separate spines being marked (B9). Natural light photographs (A1, A3, A4, B1, B8); fluorescent photographs (A2, A5–A6, B2, B3, B5–B7, B9). Abbreviations: en, endopod; ex, exopod; ey, eye; fa, frontal appendage; gut, digestive tract; hs, head shield; lim, limb; p1–p5, podomeres 1–5; st, stalk; T1–T11, tergites 1–11; ts, terminal spine.