1974  Eumorphoceras bisulcatum aff. varicatum Lee et al.: pl.1 fig.2
     2000  Eumorphoceras brevornatum Titus: 21, text-fig.18, pl.3 fig.1-10.

[Holotype: SUI 93519]

Titus' diagnosis: Species whose early whorls bear thread-like sinuous ribs and transverse constrictions. Ribs fade at diameters of around 8 mm.


Fig. see TAX2699 A (suture at D = 9 mm).