Fig. 8 in The entomofauna of the Lower Permian fossil insect beds of Kansas and Oklahoma, USA

Fig. 8. Distribution of size in the Wellington Formation entomofauna. Size is based on average forewing length in mm, plotted from smallest species to largest species. The 13 largest (forewing length>100 mm) and 2 smallest (forewing length <2 mm) species are identified. The two smallest species are both in the family Lophioneuridae. Ten of the largest species belong to the order Protodonata; M. grandis, to Palaeodictyoptera; G. carpenteri, to Caloneurodea; and S. ingens, to Megasecoptera.