Cadulus delicatulus is a species of small tusk shell, a marine scaphopod mollusk in the family Gadilidae. This species is endemic to New Zealand.
It can be found from Northland to Fiordland, including the Chatham Rise and Chatham Islands. It lives at depths of between 35mand600mm (115feetand2,000feetm), and in the Milford Sound area between 180mand200mm (590feetand700feetm).[1]
. New Zealand Mollusca . Arthur William Baden Powell . 1979. William Collins Publishers Ltd . Auckland, New Zealand . 978-0-00-216906-6 . 500 .