Warning
This information was published in 1966 in An Encyclopaedia of New Zealand, edited by A. H. McLintock. It has not been corrected and will not be updated.
Up-to-date information can be found elsewhere in Te Ara.
(Cirsotrema zelebori).
A pure white shell up to 1 in. in height, beautifully ornamented in ladderlike patterns. The empty shell is often washed ashore in great numbers on our ocean beaches.
by Arthur William Baden Powell, Assistant Director, Auckland Institute and Museum.