Christianoconcha quintalia T. Iredale, 1945
Iotula kempseyensis (J.C. Cox, 1872)
Kokikora angulata F.M. Climo & J.F. Goulstone,1995
Kokikora mimiwhangata F.M. Climo & J.F. Goulstone,1995
Kokopapa bispathulata F.M. Climo & Mahlfeld,2011
Kokopapa matarua F.M. Climo & Mahlfeld,2011
Kokopapa milleneri F.M. Climo & Mahlfeld,2011
Kokopapa mokihinui F.M. Climo & Mahlfeld,2011
Kokopapa rapahoe F.M. Climo & Mahlfeld,2011
Kokopapa unispathulata F.M. Climo & Mahlfeld,2011
Laoma ciliata H.H. Suter, 1894
Laoma elegans H.H. Suter, 1896
Laoma elevata H.H. Suter, 1896
Laoma labyrinthica A.W.B. Powell, 1948
Laoma leimonias J.E. Gray, 1850
Laoma mariae (J.E. Gray, 1843)
Laoma marina F.W. Hutton, 1883
Laoma minuta F.M. Climo, 1971
Laoma regularis L. Pfeiffer, 1855
Phrixgnathus acanthinulopsis H.H. Suter, 1891
Phrixgnathus alfredi (H.H. Suter, 1909)
Phrixgnathus ariel (F.W. Hutton, 1883)
Phrixgnathus blacki (A.W.B. Powell, 1951)
Phrixgnathus brunneus F.M. Climo & J.F. Goulstone,1993
Phrixgnathus celia (F.W. Hutton, 1883)
Phrixgnathus cheesemani (H.H. Suter, 1894)
Phrixgnathus clathratus N.W. Gardner, 1972
Phrixgnathus cognatus H.H. Suter, 1909
Phrixgnathus compressus H.H. Suter, 1909
Phrixgnathus conella (L. Pfeiffer, 1862)
Phrixgnathus douglasi F.M. Climo & J.F. Goulstone,1993
Phrixgnathus erigone (J.E. Gray, 1850)
Phrixgnathus fatuus (L. Pfeiffer, 1857)
Phrixgnathus filicostus H.H. Suter, 1907
Phrixgnathus flemingi R.K. Dell, 1950
Phrixgnathus flemingi stewartensis R.K. Dell, 1954
Phrixgnathus forsteri (R.K. Dell, 1952)
Phrixgnathus fulguratus H.H. Suter, 1909
Phrixgnathus glabriusculus (L. Pfeiffer, 1853)