FIGURE 1. Geological and biostratigraphical maps. A in Geometric morphometric assessment of Guanshan trilobites (Yunnan Province, China) reveals a limited diversity of palaeolenid taxa

FIGURE 1. Geological and biostratigraphical maps. A. The Shitangshan Section showing approximate stratigraphic distribution of Redlichia mansuyi and Redlichia mai (modified from Hu et al. 2010). B–D. Studied sections showing their approximate stratigraphic levels respectively in Wulongqing Formation. B. Huanglongqing Section. C. Longbaoshan Section. D. Xinglongcun Section. E. Map of Kunming showing the localities of studied sections. The red lines with arrows showing approximate sampling interbeds in each section.