Triplostephanus triseriatus (J.E. Gray, 1834)
Triplostephanus waikikiensis (H.A. Pilsbry, 1921)
Zeacuminia biplex (FOSSIL) (F.W. Hutton, 1885 †)
Zeacuminia cantuariensis (FOSSIL) C.R. Laws, 1933 †
Zeacuminia fluctuosa (FOSSIL) C.R. Laws, 1941 †
Zeacuminia murdochi (FOSSIL) Powell, 1931 †
Zeacuminia orycta (FOSSIL) (H.H. Suter, 1913 †)
Zeacuminia pareoraensis (FOSSIL) (H.H. Suter, 1917 †)
Zeacuminia parva (FOSSIL) C.R. Laws, 1936 †
Zeacuminia planitas (FOSSIL) C.R. Laws, 1940 †
Zeacuminia subtilissima (FOSSIL) (J.A. Bartrum & Powell,1928 †)
Zeacuminia tahuia (FOSSIL) Finlay, 1930 †
Zeacuminia tantula (FOSSIL) J. Marwick, 1931 †
Zeacuminia turpicula (FOSSIL) J. Marwick, 1931 †
Zeacuminia viapollentia (FOSSIL) P.A. Maxwell, 1988 †
Gemmaterebra bicorona (FOSSIL) (F.W. Hutton, 1885 †)