1944  Pseudagathiceras spinosum Miller in King et al.: 103, text-fig.15D, pl.29 fig.1-5.
     1972  Pseudagathiceras spinosum.-Davis: pl.9 fig.1-2.
     1996  Pseudagathiceras spinosum.-Davis et al.: 471, fig.3 F, G.
     2000  Pseudagathiceras spinosum.-White & Skorina: 56.

Holotype: YPM 16310.

See Fig. TAX4754 D (suture).