According to the paleobiogeographic analysis , the region underwent four evolutionary episodes during late mesozoic . in part five , a comprehensive taxonomic work on jurassic raphidioptera and neuroptera is presented . 7 new genera and 10 new species within raphidioptera and 42 new genera and 56 new species within 13 neuropteran families are reported and illustrated by 92 line drawings and 100 photos from this area . 2 new families and 1 new subfamilies are newly proposed 第五部分：对辽宁省西部和内蒙古自治区东部的蛇蛉目和脉翅目化石进行了较全面的研究，报道蛇蛉目3科12属16种，其中7新属10新种；脉翅目13科43属56种，其中2新科， 1新亚科， 42新属56新种。
