This is an extremely rare fossil, containing both adult and larval parts on the same matrix! The larvae are dragonfly larvae - nymphs! This is an extremely rare museum-quality fossil. This fossil belongs to the positive and negative mold splitting type. A dragonfly-Sinaeschnidia cansellosa on the Matrix plate. Sinaeschnidia is a genus of prehistoric dragonfly. The fossils from Liaoning Province, China are known throughout the world for their exceptional preservation. The dragonfly shown here is an example of that preservational detail. The venation in the wings is very distinct, and that alone would make this an exceptional specimen. Fossil size 23.5*23*2 cm.