1971  Trizonoceras medioximum Ruzhentsev & Bogoslovskaya: 189, pl.8 fig.8,9.
     1979  Trizonoceras medioximum.-Manger & Pareyn: textfig.2B.
     2009  Trizonoceras medioximum.-Nikolaeva et al., 2009:87, fig.7 T, U.

Fig. TAX2226 A-C (sutures).  Fig. TAX2226A A (cross-section).