Alcadia jamaicensis is a species of an operculate land snail, terrestrial gastropod mollusk in the family Helicinidae.
Description (Original description in Latin) The shell is very similar to Alcadia aurantia (J. E. Gray, 1824), but is more conical and thinner. The peristome is paler and less thickened. The edge of the aperture is thinner.
Distribution This species occurs in Jamaica.
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