Shell small, depressed, circular. Protoconch with a little more than 1,5 whorls. Examination of the holotype showed the protoconch to be a little eroded, appearing smooth. Examination of the material from Colombia showed a similar protoconch with a few very fine spiral lines. The axis of the protoconch is tilted obliquely in relation to that of the shell. Teleoconch with about 1,5 whorls. Spiral sculpture is evident on the first half whorl, but only a few axial ribs are visible. Subsequently both spiral and axial sculpture are well defined, giving a reticulated appearance. The last whorl is somewhat angulated peripherally. The umbilicus is deep. The aperture wide, oblique, with a narrow peristome. Dimensions: Around 1.5 mm in diameter.

This species is different from all those previously mentioned in the present study because of its depressed spire and protoconch. It can be differentiated from one fossil species with similar protoconch, Macromphalina pierrot Gardner, 1948 (USNM 325462), from the Pliocene of North Carolina, which has a similar number of whorls but is larger and higher, and with a more elevated spire.

The presence of the species in several separated localities suggests a wide distribution area, at least in the south Caribbean. It was found in depth less than 50 m.