DSC_7835 Large horn snail, or koeti (Zeacumantus lutulentus) a tall brownish, or greyish-spired shell, with curved growth lines corresponding to old apertures. It has a circular, horny operculum. Found in protected localities on mudflats of harbours and estuaries, and in tide pools on coralline algae and Hormosira. Snell's Beach, Warkworth
DSC_8840 A selection of large and small turret snails, or korire, showing (Stiracolpus symmetricus) from Akaroa left, (Maoricolpus roseus) from Otago Harbour centre, and (Stiracolpus pagoda) from Northland right *
DSC_1232 Large turret snails, or korire (Maoricolpus roseus) two empty shells (left), compared with two live snails, each with the operculum closed. Harrington Point, Otago Harbour *