Paratrophon cheesemani (Hutton, 1882) Height 19mm, Width 11mm Marine, Endemic North Island west coast, from Ninety Mile Beach to Kawhia ACE. |
Paratrophon cheesemani exsculptus Powell, 1933 Height 23mm, Width 13mm Marine, Endemic West Coast North and South Islands from Port Waikato to Jackson Bay, south of Haast CFE. |
Paratrophon patens (Hombron & Jacquinot, 1854) Height 29mm, Width 17mm Marine, Endemic, Lamellose within the grooves South Island and Stewart Island. On exposed rocky shores CFE. |
Paratrophon quoyi (Reeve, 1846) Height 35mm, Width 18mm Marine, Endemic North Island. From low tide, often around Corallina seaweed ACE. |