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.
Figs. 11–15. Five genera of Ostracoda particularly distinctive of the New Zealand fauna (minute primitive crustacea protected by a paired, hinged limey shell, the two halves of which are termed valves. Some families develop interlocking teeth and sockets