Shell fusiform, moderately slender, spire high, thick, whorls broadly rounded; sculpture consists of rather broad axial folds or ridges which are crossed by spiral threads varying in size, on the earlier whorls 2 or 3 threads stand out stronger than the others; aperture elongately ovate, anterior canal moderately long, a siphonal fasciole present, the columella bears 3 oblique plaits; color yellowish covered with a dark brown periostracum, interior white. Dimensions of the holotype: length, 68.5 mm.; maximum diameter, 23.8 mm.; height of spire, 39 mm.

The shell of this species is somewhat variable. Some specimens, especially young forms, are shorter and broader than adult shells, some of which are quite elongate. The axial ridges are often weaker on the body whorl of adult shells. The shell of this new species differs from that of Latirus mediamericanus, in that the whorls as well as the axial ridges are more rounded, and the spiral threads are very much stronger especially on the body whorl.

Off Santa Margarita Island, Magdalena Hay, Lower California, to Taboga Island, Panama.