1880  Goniatites virgatus De Koninck, p.118, pl.49 fig.4.
     1889  Pericyclus virgatus.-Holzapfel: 34 [non: pl.3 fig.8-9
           = Ammonellipsites kayseri (Schmidt,1925)].
     1897  Pericyclus virgatus ? Foord & Crick: 146, fig.69.
     1918  Pericyclus virgatus.-Hind: 448, pl.16,fig.7, 7a.
     1935  Pericyclus virgatus.-Böhm, p.124, pl.6 fig.17,18.
     1940  Pericyclus virgatus.-Delépine, p.45, pl.2 fig.28.
aff. 1968  Stenocyclus aff. virgatus.-Popov: 110, fig.19z, 20zh;
           pl.8 fig.4,6,8.