Full reference: B. C. Ratcliffe and F. C. Ocampo. 2001. Tyrannasorus rex Ratcliffe and Ocampo, a new genus and species of miocene Hybosorid in amber from the Dominican Republic (Coleoptera: Scarabaeoidea: Hybosoridae). The Coleopterists Bulletin 55(3):351-355
Sister taxa: none
Type specimen: AMNH DR-10–702, an exoskeleton. Its type locality is Dominican amber (AMNH coll), which is in a Burdigalian/Langhian terrestrial amber in the Dominican Republic.