Hiatula nitida (Gray, 1843) Length 50mm, Height 25mm Marine, Native - Endemic North, South, Stewart and Chatham Islands. Low tide level to a few metres ACFM |
Hiatula siliquens Willan, 1993 Length 51mm, Height 28mm Marine, Native - Endemic Northern and south-western North Island, far northern and far southern South Island, and Banks Peninsula. Inhabits muddy sands of estuaries and harbours. Low tide level to a few metres ACF |