PaleoDB taxon number: 294831
Full reference: H. L. Chang, A. G. Kirejtshuk, and D. Ren. 2009. Systematic paleontology, in First fossil click beetles from the Middle Jurassic of Inner Mongolia, China (Coleoptera: Elateridae). Annales Zoologici 59:7-14
Sister taxon: Protagrypnus exoletus
Type specimen: CNU-COL-NN2006843, an exoskeleton. Its type locality is Daohugou (CNU 2006 collection), which is in a Callovian/Oxfordian lacustrine - large shale in the Daohugou Formation of China.
Average measurements (in mm): body 12.3 x 3.8, elytron length 8.39