1890  Goniatites psittacinus Whidborne, p.72, pl.6 fig.9-13.
     1895  Tornoceras psittacinum.-Holzapfel, pl.101, pl.4
           fig.4,5,7, pl.7 fig.6.
     1897  Tornoceras psittacinum.-Foord & Crick: 119.
     1913  Tornoceras psittacinum.-Frech, p.16.
     1918  Parodiceras psittacinum.-Wedekind, p.116, fig.24d.
     1959  Wedekindella psittacina.-Bogoslovskiy, p.63, textfig.  
           3, pl.5 fig.3.
     1959  Foordites psittacinum.-Petter, p.117, pl.6 fig.3,4,
           textfig.30E.
     1969  Wedekindella psittacina.-Bogoslovskiy, p.177, pl.6
           fig.8, text-fig.48a,b.

Fig. TAX1103 A-B (sutures).