Shell size to 80 mm; shell thick, with rough surface. Sculpture of numerous spiral cords and axial ribs, spines absent. Varices strong but spineless. Siphonal canal curved. Color tan to brown, outer lip with three to four dark blotches. Aperture glossy, ivory, buff, salmon, or yellow, with dark-brown spot on apical end of parietal wall. Many females may lay egg masses together, in communal spawning fashion. Individual egg cases (supplementary photos by Amy Tripp) resemble corn kernels. Up to June 2026, this species was considered to be Phyllonotus pomum (Gmelin, 1791). This latter is a separate species with a broader tropical western Atlantic distribution.