1832  Ammonites diadema Goldfuss in Dumont: 356 (nom.nud.).
     1837  Ammonites diadema Beyrich: 15, pl.2 fig.8-10.
     1844  Ammonites diadema.- de Koninck: 574, pl. L fig.2a,b (non 1a-f).
     1897  Glyphioceras diadema.- Foord & Crick: 202, fig.98a-c.
     1901  Glyphioceras diadema.-Hind: 79, pl.2 fig.7-8.
     1924  Homoceras diadema.-Bisat: 103, pl.7 fig.5.
     2001  Homoceras diadema.-Titus & Manger: 22, figs. 14.12-14.16, 14.18-14.21, 18.

see also striolatus (Phillips), TAX2539.