1980  Dzhaprakoceras subtile Kuzina, p.54, pl.4 fig.4.
     1988  Dzhaprakoceras subtile.-Liang & Zhu: 295, pl.3 fig.
           3,4,9,10, textfig.10.
     1988  Dzhaprakoceras (Dzhaprakoceras) subtile.-Liang & Wang:
           557.
     1991  Dzhaprakoceras (Dzhaprakoceras) subtile.-Liang & Wang:
           79, text-fig.49, pl.14 fig.5, 6.