Anacithara clifdenica A. W. B. Powell, 1942 † (original description)
Anacithara errabunda A. W. B. Powell, 1942 † (original description)
Anacithara finlayi A. W. B. Powell, 1942 † (original description)
Anacithara nana A. W. B. Powell, 1942 † (original description)
Anticomitas A. W. B. Powell, 1942 (original description)
Anticomitas vivens A. W. B. Powell, 1942 (original description)
Antiguraleus A. W. B. Powell, 1942 (original description)
Antiguraleus deceptus A. W. B. Powell, 1942 † (original description)
Antiguraleus fenestratus A. W. B. Powell, 1942 (original description)
Antiguraleus otagoensis A. W. B. Powell, 1942 (original description)
Antiguraleus pedicus A. W. B. Powell, 1942 (original description)
Antiguraleus rossianus A. W. B. Powell, 1942 (original description)
Antiguraleus subtruncatus A. W. B. Powell, 1942 (original description)
Antimelatoma A. W. B. Powell, 1942 (original description)
Antimelatoma ahiparana A. W. B. Powell, 1942 accepted as
Antimelatoma buchanani (F. W. Hutton, 1873) (original description)
Antimelatoma benthicola A. W. B. Powell, 1942 accepted as
Antimelatoma buchanani (F. W. Hutton, 1873) (original description)
Aoteadrillia A. W. B. Powell, 1942 (original description)
Aoteadrillia bisecta A. W. B. Powell, 1942 † accepted as
Aoteadrillia wanganuiensis (F. W. Hutton, 1873) (original description)
Aoteadrillia finlayi A. W. B. Powell, 1942 (original description)
Aoteadrillia otagoensis A. W. B. Powell, 1942 (original description)
Aoteadrillia thomsoni A. W. B. Powell, 1942 † accepted as
Aoteadrillia wanganuiensis (F. W. Hutton, 1873) (original description)
Aoteadrillia trifida A. W. B. Powell, 1942 † accepted as
Aoteadrillia wanganuiensis (F. W. Hutton, 1873) (original description)
Aoteadrillia waihuaensis A. W. B. Powell, 1942 † (original description)
Austroclavus A. W. B. Powell, 1942 † (original description)
Austroclavus awakinoensis A. W. B. Powell, 1942 † (original description)
Austroclavus clifdenensis A. W. B. Powell, 1942 † (original description)
Austroclavus finlayi A. W. B. Powell, 1942 † (original description)
Austroclavus marshalli A. W. B. Powell, 1942 † (original description)
Austrodrillia (Regidrillia) A. W. B. Powell, 1942 represented as
Austrodrillia Hedley, 1918 (original description)
Austrodrillia (Regidrillia) sola A. W. B. Powell, 1942 represented as
Austrodrillia sola A. W. B. Powell, 1942 (original description)
Austrotoma ampla A. W. B. Powell, 1942 † (original description)
Austrotoma clifdenica A. W. B. Powell, 1942 † (original description)
Austrotoma cryptoconoidea A. W. B. Powell, 1942 † (original description)
Austrotoma echinata A. W. B. Powell, 1942 † (original description)
Austrotoma gemmulata A. W. B. Powell, 1942 † (original description)
Austrotoma kaiparaensis A. W. B. Powell, 1942 † (original description)
Austrotoma lawsi A. W. B. Powell, 1942 † (original description)
Austrotoma nervosa A. W. B. Powell, 1942 † (original description)
Austrotoma scopalveus H. J. Finlay, 1926 † accepted as
Austrotoma minor (H. J. Finlay, 1924) † (source of synonymy)
Awateria defossa A. W. B. Powell, 1942 † (original description)
Awateria echinata A. W. B. Powell, 1942 † (original description)
Awateria marwicki A. W. B. Powell, 1942 † (original description)
Awateria personata A. W. B. Powell, 1942 † accepted as
Mioawateria personata (A. W. B. Powell, 1942) † (original description)
Awateria thomsoni A. W. B. Powell, 1942 † (original description)
Awateria wairoaensis A. W. B. Powell, 1942 † (original description)
Clavatoma A. W. B. Powell, 1942 † (original description)
Clavatoma pulchra A. W. B. Powell, 1942 † (original description)
Comitas (Carinacomitas) A. W. B. Powell, 1942 † accepted as
Comitas H. J. Finlay, 1926 (original description)
Comitas (Carinacomitas) subcarinapex A. W. B. Powell, 1942 † accepted as
Comitas subcarinapex A. W. B. Powell, 1942 † (original description)
Comitas allani A. W. B. Powell, 1942 † (original description)
Cosmasyrinx semilirata A. W. B. Powell, 1942 † accepted as
Cryptodaphne semilirata (A. W. B. Powell, 1942) † (original description)
Cryptodaphne A. W. B. Powell, 1942 (original description)
Cryptodaphne pseudodrillia A. W. B. Powell, 1942 † (original description)
Defrancia luteofasciata (Reeve, 1845) sensu F. W. Hutton, 1878 accepted as
Drillia sinclairi Gillies, 1882 accepted as
Neoguraleus sinclairi (Gillies, 1882) (status source)
Drillia cheesemani F. W. Hutton, 1878 accepted as
Phenatoma zealandicum (E. A. Smith, 1877) (source of synonymy)
Echinoturris A. W. B. Powell, 1942 † (original description)
Eoscobinella A. W. B. Powell, 1942 † (original description)
Eoscobinella tahuia A. W. B. Powell, 1942 † (original description)
Etrema kaipara A. W. B. Powell, 1942 † (original description)
Etremopsis A. W. B. Powell, 1942 (original description)
Etremopsis aequisculpta A. W. B. Powell, 1942 † (original description)
Etremopsis carinapex A. W. B. Powell, 1942 † (original description)
Etremopsis clifdenica A. W. B. Powell, 1942 † (original description)
Etremopsis compta A. W. B. Powell, 1942 † (original description)
Etremopsis elata A. W. B. Powell, 1942 † (original description)
Etremopsis erecta A. W. B. Powell, 1942 † (original description)
Etremopsis haroldi A. W. B. Powell, 1942 † (original description)
Etremopsis latiapex A. W. B. Powell, 1942 † (original description)
Etremopsis oamarutica A. W. B. Powell, 1942 † (original description)
Etremopsis quadrispiralis A. W. B. Powell, 1942 † (original description)
Eubela awakinoensis A. W. B. Powell, 1942 † (original description)
Gemmula clifdenensis A. W. B. Powell, 1942 † (original description)
Gemmula lawsi A. W. B. Powell, 1942 † (original description)
Gemmula longwoodensis A. W. B. Powell, 1942 † (original description)
Inquisitor waihaoensis A. W. B. Powell, 1942 † accepted as
Comitas waihaoensis (A. W. B. Powell, 1942) † (original description)
Insolentia elegantula A. W. B. Powell, 1942 † (original description)
Integradrillia A. W. B. Powell, 1942 † (original description)
Liracraea odhneri A. W. B. Powell, 1942 (original description)
Liracraea otakauica A. W. B. Powell, 1942 (original description)
Liracraea subantarctica A. W. B. Powell, 1942 accepted as
Liracraea epentroma subantarctica A. W. B. Powell, 1942 (original description)
Lirasyrinx A. W. B. Powell, 1942 † accepted as
Parasyrinx H. J. Finlay, 1924 † (original description)
Lirasyrinx anomala A. W. B. Powell, 1942 † accepted as
Parasyrinx anomala (A. W. B. Powell, 1942) † (original description)
Maoridaphne A. W. B. Powell, 1942 † (original description)
Maoridaphne haroldi A. W. B. Powell, 1942 † (original description)
Maorimorpha secunda A. W. B. Powell, 1942 (original description)
Maoritomella A. W. B. Powell, 1942 (original description)
Maoritomella annosa A. W. B. Powell, 1942 † accepted as
Drilliola annosa (A. W. B. Powell, 1942) † (original description)
Maoritomella pagodula A. W. B. Powell, 1942 † (original description)
Maoritomella pukeuriensis A. W. B. Powell, 1942 † accepted as
Drilliola pukeuriensis (A. W. B. Powell, 1942) † (original description)
Maoritomella robusta A. W. B. Powell, 1942 † (original description)
Maoritomella sola A. W. B. Powell, 1942 † accepted as
Drilliola sola (A. W. B. Powell, 1942) † (original description)
Marshallaria senta A. W. B. Powell, 1942 † (original description)
Marshallaria waitakiensis A. W. B. Powell, 1942 † (original description)
Marshallena anomala A. W. B. Powell, 1942 † accepted as
Zeatoma anomala (A. W. B. Powell, 1942) † (original description)
Marshallena impar A. W. B. Powell, 1942 † accepted as
Zeatoma impar (A. W. B. Powell, 1942) † (original description)
Mauidrillia A. W. B. Powell, 1942 (original description)
Mauidrillia angustata A. W. B. Powell, 1942 † (original description)
Mauidrillia clavicula A. W. B. Powell, 1942 † (original description)
Mauidrillia imparilirata A. W. B. Powell, 1942 † (original description)
Mauidrillia inaequalis A. W. B. Powell, 1942 † (original description)