1942  Imitoceras pfefferae Miller & Werner, p.480, fig.2.
     1952  Munsteroceras pfefferae.-Millere & Collinson: 625, pl.84,fig.4-6, fig.2.
     1955  Münsteroceras pfefferae.-Miller & Garner, p.141, fig.7F.
     1965  Muensteroceras pfefferae.-Gordon, p.179, pl.17 fig.29. [Suture redrawn].
     1958  Muensteroceras sp. Miller & Furnish:270, fig.3 D.

Hypotype: SUI 1910.