"Shell of medium size, stout, with an elevated spire somewhat shorter than the aperture. Sutures narrowly grooved. Parietal callus strong, forming a large, knob-like mass at end of aperture and passing upward to the suture and covering the surface of the spire-whorls as well. Pillar structure as typical of Niteoliva. Fasciolar band wide, divided nearly equally by a ridged line. Siphonal canal notch wide. Outer lip with a sharp edge, internally thickened and marked with fine, parallel lirations. Length 13.3 mm., diameter 6.1 mm. Olsson, 1922, fig. 14. Length 12.1 mm., diameter 5.8 mm. Olsson, 1922, fig. 18. Length 15.1 mm., diameter 6.8 mm. Olsson, 1922, fig. 17.". Miocene of north-eastern Costa Rica.
Holotype PRI 20998 (Red Cliff Creek, Limon Prov., Costa Rica. Gatun fm., middle Miocene.). Paratype PRI 20996 (same data). (Brann & Kent, 1960: 620).