Heterocerites magnus was named by Prokin and Ren (2011). It is considered to be a form taxon. Its type specimen is CNU-COL-LB2010023, an exoskeleton (adult beetle without tarsi), and it is a compression fossil. Its type locality is Huangbanjigou, Chaomidian Village, CNU 2010 collection, which is in a Barremian lacustrine - large mudstone in the Yixian Formation of China.