1903  Proceratites: 28.
     2002  Xenodiscus.-Leonova: S100.

Type species: Xenodiscus plicatus Waagen, 1879, p.34; SD Waagen, 1895, p.161, SD Kummel, 1957, p.L130 = Ceratites carbonarius Waagen, 1872, p.355 (subj., teste Spinosa, Furnish & Glenister, 1975, p.270).