1988  Goniatites purus Bogoslovskaya in Afanaeva,G.A.,  Bogoslovskaia,M.F., Lazarev,S.S., Pavlova,E.E.,
               Suusuren,S.: 57, pl.2 fig.11, text-fig.2.
     1994  Goniatites purus.-Kuzina in Kuzina & Lazarev: 168,  text-fig.5a-b, pl.7 fig.11, 12.
     2005  Lusitanoceras purum.-Nikolaeva & Konovalova: Fig.1 g.

Fig. TAX6180 A (cross-section), B (suture of holotype).