Notocochlis cernica (Jousseaume, 1874) (=lemniscata Philippi, =sagittata hancockae Powell) Height 18mm, Width 16mm, Moon Snail. Marine Central Indian Ocean to Eastern Australia and the Philippines. NZ, Northland to Auckland KA
Notocochlis gualtieriana (Récluz, 1844) (=migratoria Powell) Height 30mm, Width 22mm, Moon Snail. Marine W Pacific, Kermadec Islands. Northland. Far North to Whangarei Heads, from low tide KA
Proxiuber australe (Hutton, 1878) Height 7mm, Width 7mm, Marine, Endemic Northland. Three Kings Islands to East Cape AE.
Proxiuber hulmei Powell, 1954 Height 5mm, Width 5mm, Marine, Endemic. Shell smaller than australe, and proportionately wider, with a distinctive colour pattern of two broad spiral series of reddish-brown maculations on a white ground Northland to Gisborne ACE.
Polinices putealis Garrard, 1961 Height 27mm, Marine. Thinner shell than P.tawhitirahia, with an umbilicus that remains open at all stages of growth. Fawn to greenish periostracum Australia, Kermadec Islands and Northern NZ KA
Polinices tawhitirahia Powell, 1965 Height 34mm, Width 31mm, Marine. Heavy shell with thick callus that completely fills umbilicus. Colourless periostracum, fewer protoconch whorls than P. putealis, and a broader first protoconch whorl Northland to Poor Knights Islands. Also Norfolk Islands KA