1882  Goniatites Koeneni Holzapfel: 244, pl.45 (II) fig.4,5, 6.
     1897  Gephyroceras Koeneni.-Foord & Crick: 81.
     2009  Costamanticoceras koeneni.-Becker & House:420, fig.2.5, nos 11-12.