Murexsul espinosus (Hutton, 1885) Height 35mm, Width 17mm, Marine, Endemic Late Pliocene to early Pleistocene, eastern North Island between Hastings and Cape Palliser. Recent from Ranfurly Bank, off East Cape to off Mahia Peninsula ACE.
Murexsul mariae Finlay, 1930 (=espinosus) Height 29mm, Width 14mm, Marine, Endemic Three Kings Islands, North Island as far south as East Cape AE.
Murexsul octogonus (Quoy & Gaimard, 1833) (=cuvierensis Finlay) Height 89mm, Width 48mm, Octagonal Murex. Marine, Endemic Three Kings and North Island down to Kapiti Island and Mahia Peninsula ACE.
Murexsul profunda (Marshall & Burch, 2000) Height 10.5mm, Marine, Endemic Off Three Kings Islands, 91-710 metres AE.