Stiracolpus ahiparanus (Powell, 1927) Height 36mm, Width 8mm Marine, Native - Endemic North-western North Island as far south as New Plymouth, from 0-181m |
Stiracolpus ascensus (Marwick, 1957) Marine, Recent, Fossil, Native - Endemic Challenger Plateau, eastern South Island and Chatham Rise, from 112-660m |
Stiracolpus maorius (Powell, 1940) Marine, Native - Endemic Middlesex and King Banks, Three Kings Islands, and off far northern Northland, from 30-192m |
Stiracolpus mixtus (Finlay, 1930) Marine, Native - Endemic Middlesex Bank, Three Kings Islands, and northern North Island as far south as Ahipara on west coast and Plate Island on east coast, from 47-200m |
Stiracolpus pagoda (Reeve, 1849) Height 41mm, Width 9mm Marine, Native - Endemic Northern North Island, Manukau Harbour, and as far south-east as Cape Runaway, from 0-207m |
Stiracolpus symmetricus (Hutton, 1873) Height 23mm, Width 7mm Marine, Native - Endemic, Always white Southern North Island as far north as Mahia, and South, Stewart and Chatham Islands, from 0-660m |