Helicina pellucida G. B. Sowerby II, 1842 · Alcadia pellucida is a species of an operculate land snail, terrestrial gastropod mollusk in the family Helicinidae.

[1] (Original description in Latin) The shell is similar to Helicina zephyrina Duclos, 1833, but with the columella nearly straight and somewhat angular.

A more transparent shell than Helicina zephyrina, with the columella nearly straight, and joining the outer lip at an angle.

[2] This species occurs in French Guiana.

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