Fig. 5 in Floian, Early Ordovician, trilobites from the Olongbluk Terrane, northwest China

Fig. 5. Asaphid trilobite Zhiyia tsinghaiensis (Chang and Fan, 1960), from the middle part of the Duoquanshan Formation (upper Floian, Lower Ordovician) of Shihuigou, Delingha, northern Qinghai Province, China. A. NIGP10115, holotype, cranidium (refigured from Chang and Fan 1960: 124, pl. 6: 10). B. NIGP 203164, cranidium. C. NIGP 203165, cranidium. D. NIGP 203166, cranidium. E. NIGP 203167, librigena. F. NIGP 203168, juvenile hypostome. G. NIGP 203169, hypostome. H. NIGP 203170, pygidium. I. NIGP 203171, pygidium. J. NIGP 203172, pygidium. K. NIGP 203173, pygidium. L. NIGP 203174, pygidium. M. NIGP 203175, pygidium. N. NIGP 203176, pygidium. Scale bars: A–E, G–N 5 mm; F 2 mm.