1988  Trizonoceras berkhense Kuzina & Yatskov: 31, text-fig.2,a, pl.3 fig.1.
     1999  Trizonoceras berkhense.- Kuzina & Yatskov: 65,  text-fig. 31 a, pl.4 fig.4.          
     1999  Trizonoceras berkhense.-Kuzina: fig.5 T-U.

[Only holotype known, PIN4279/301].