1887  Stacheoceras pygmeum (sic) Gemmellaro: 41, pl.8 fig.15-17.
     1931  Stacheoceras pygmeum.-Toumanskaya: 49,95, pl.2 fig.20-24, textfig.18.
     1934  Vidrioceras pygmaeum.-Miller & Cline: 291, pl.39  fig.18.
     1936  Pseudovidrioceras pygmaeum.-Ruzhentsev: 1077.
     1988  Pseudovidrioceras pygmaeum (sic).-Glenister & Furnish: 61, textfig.1D,1E,3C.

Paralectotype IGUP 65B.

Fig. see TAX4315 C (suture)