Kevan, D.K.McE. 1977. Ordo Orthoptera s.str. (=Saltatoria-Caelifera) Subordo Acridodea Infraordo Acridomorpha Superfam. Acridoidea Fam. Pyrgomorphidae. In Beier, M., Orthopterorum Catalogus, part 16. W. Junk, 's-Gravenhage..