Echinosomatid (earwig) Insecta, Dermaptera Upper Jurassic, Jehol Biota, Liaoning, China Size: 6x5.5x0.4cm Raphidioptera (snakefly) Insecta, Raphidioptera Upper Jurassic, Jehol Biota, Liaoning, China Size: (Upper) 2cm / (Lower)13x8.5cm Ephemeropsis trisetalis Eichwald (mayfly) Insecta, Ephemeroptera Upper Jurassic, Jehol Biota, Liaoning, China Size: (Upper) 28x13cm / (Lower) 6+4cm