The Beau's Vitrinella
Beau's Vitrinella, Cyclostremiscus beauii (P. Fisher, 1857), at about 12 mm in diameter (about 0.5 inch), is most likely the largest local member of the micro-gastropod family Tornidae, commonly known as Vitrinellas. Small sizes, sometimes never reaching beyond 1/8 inch, and strong similarity among species render Vitrinellas difficult to study, but the "larger" size, characteristically "keeled" shell outline, and typical spiral cords make Beau's Vitrinella relatively easy to