Planispectrum Rehn & Rehn, 1939: 484. Type-species. Platymorpha cochinchinensis Redtenbacher, 1906: 46, by original designation.
= Platymorpha Redtenbacher, 1906: 46. [Preoccupied by Platymorpha Jacoby, 1888 (Coleoptera), replacement name proposed by Rehn & Rehn, 1939: 484]
= Platyphasma Uvarov, 1940: 116. [Synonymised by Brock, 1995: 96]