The Garden Zachrysia
The Garden Zachrysia, Zachrysia provisoria (L. Pffeifer, 1858), is a species of land snail commonly found on Sanibel, Captiva, and many other parts of Florida. The species is originally native to Cuba, and is an invasive to Florida, the Bahamas, and several Caribbean islands. Its shell is globose, measuring a tad more than an inch (reaching 30 mm), and is white and translucent, under a brownish “skin-like” periostracum. The aperture lip is white as the rest of the shell, but