Cirsotrema angulatum Marwick, 1926 † (original description)
Cominella compacta Marwick, 1926 † (original description)
Cominella hendersoni Marwick, 1926 † (original description)
Dentalium otamaringaense Marwick, 1926 † (original description)
Leptomya simplex Marwick, 1926 † (original description)
Lima watersi Marwick, 1926 † (original description)
Neilo sublaevis Marwick, 1926 † (original description)
Neilo waitaraensis Marwick, 1926 † (original description)
Ringicula torquata Marwick, 1926 † (original description)
Struthiolaria praenuntia Marwick, 1926 † (original description)
Thyasira planata Marwick, 1926 † accepted as Thyasira marwicki Amano, C. Little, K. A. Campbell, R. G. Jenkins & Saether, 2015 † (original description)
Zealeda mutabilis Marwick, 1926 † accepted as Ledella mutabilis (Marwick, 1926) † (original description)