32 Steromphala cineraria album. COMPARISON images of Phorcus lineatus

32 Steromphala cineraria album. COMPARISON images of Phorcus lineatus

Phorcus lineatus, width 14 mm, half-grown still with low profile. Zigzag pattern, but almost radial lines on apical whorls. Rounded tooth on columellar (inner) lip. No umbilicus when > 5 mm wide.