DSC_9046 White rock snail or hopetea (Dicathais orbita) some populations tend to be smaller and suffused with purple. Common in the mid to lower intertidal zone, on northern sheltered, or exposed rocky shores. Maori Bay, Muriwai *
DSC_7220 White rock snail or hopetea (Dicathais orbita) ventral view, showing operculum. Some populations tend to be smaller and suffused with purple. Common in the mid to lower intertidal zone, on northern sheltered, or exposed rocky shores. Tokerau Beach, Karikari Peninsula *
DSC_8675 White rock snail or hopetea (Dicathais orbita) shells are large and heavy. Some shells have very strong spiral chords - 'Cart rut shells', as shown here, while others have weaker ribs, and a very few are almost smooth.