1967  Syngastrioceras walkeri Webster & Lane: 519, figs.  3,d; 4,g,i.
     2000  Somoholites walkeri.-Titus: 43, text-fig.36, pl.13, figs.14-21, pl.14 fig.1-6.

[Holotype: UCLA 39482].

Fig. see TAX535 A-B (sutures), C (cross-section).