Distribution: Tropical Atlantic realm. Tropical Northwestern Atlantic province. Western Caribbean ecoregion (Honduras). Southwestern Caribbean ecoregion (Panama).
RV 2330a. Panama, Bocas island, Sand Fly, dredged offshore, depth 6-15 m, in silty sand. Scale bar is 1 cm.
Petuch (1987) considered this species to be the descendant of Agaronia mancinella (Olsson, 1922), described from the Miocene of Costa Rica.
"Shell narrow and very elongated; spire high and elevated; one-half of spire whorls covered by enamel; anterior enamel deposit two-toned in color, with posterior half being dark brown and anterior half being gray or white; aperture narrow; columella narrow, with twisted plications; shell color gray with numerous large, dark brown zig-zag, longitudinal flammules; on dorsum, zig-zag flammules only extend down posterior half of shell, leaving wide, clear gray band around anterior half; edge of shoulder along suture marked with conspicuous, large, intermittent, dark brown blotchesspire enamel greyish-brown; interior of aperture brown.".
