The Varicose Cerith
The Varicose Cerith, Alaba incerta (d'Orbigny, 1841), is a small local gastropod that, at 5 mm (about 0.2 inch) in length, fits the definition of a micromollusk (a mollusk with its shell or body equal or smaller than 5 mm.) The Varicose Cerith shell is elegant and very delicate, with translucent walls and the occasional whitish thickening known as a varix. Varices are usually indicative of slower shell growth in gastropod mollusks. Varicose Ceriths are not very common on loca