1967  Cravenoceras sp. Webster & Lane: 517, figs.3a, 4c, 4d.
     1968  Cravenoceras hesperium.-Gordon & Poole, pl.1 fig.19-21.
     2000  Syngastrioceras websteri Titus: 42, text-fig.35, pl.13 fig.2-13.
     2001  Syngastrioceras websteri.-Titus & Manger: 4, fig.3.

[Holotype: SUI 93648].

[Growth lamellae form a prominent ventral salient.]

Fig.see TAX6614 A-C (sutures), D (cross-section).