Relichna aupouria (Powell, 1937) Height 5.5mm, Width 2.5mm Marine, Native - Endemic Middlesex Bank, Three Kings Islands, and northern Northland, from 120-440m |
Relichna murdochi (Suter, 1913) Height 4.4mm, Width 2.2mm Marine, Native - Endemic Northern and south-western North Island, and western South Island, from 55-872m |
Relichna pachys (R.B. Watson, 1883) Height 5.8mm, Width 3.5mm Marine, Native - Non-endemic South-western Pacific. Eastern North Island, eastern South Island and Chatham Rise, from 293-1000m |