English: Figure 1. Disparity of morphotypes among larvae and adults of Late Carboniferous and Early Permian Megasecoptera and Palaeodictyoptera. (a) Mischoptera nigra, adult, Commentry, France, MNHN R51060. (b,c) Mischoptera douglassi. (b) Early larva of megasecopteran, reconstruction of habitus, FM PE31976, Mazon Creek, USA. (c) Reconstruction of older instar larva habitus, Douglass coll., Mazon Creek, USA. (d) Dunbaria fasciipennis, adult palaeodictyopteran, reconstruction of male habitus based on several specimens, Elmo, USA. (e) Idoptilus sp., Palaeodictyoptera, larval exuvia of early instar, no. GLAHM A.2680a, Stainborough, Barnsley, South Yorkshire, UK. (f) Palaeodictyoptera family indet., larval exuvia, ISEZ PAN IF-MP-1488-29-08, Upper Silesian Coal Basin, Sosnowiec−Klimontów, Poland. (g) Bizarrea obscura, palaeodictyopteran larva, reconstruction of habitus, FM PE11269, Mazon Creek, USA. (a–e,g) drawn by MP, (f) drawn by ZČ.