Kaala subrutila (J.W. Mighels, 1845) Hawaii
Euconulus subtecta W. Polinski, 1929 Europe
Euconulus subtilissimus (A.A. Gould, 1846) Hawaii
Mendana subvenosa (C.M.F. Ancey, 1887)
Mendana tais (L. Pfeiffer, 1849)
Microcystis tangens E. Fischer-Piette, F. Blanc& F. Salvat, 1975 Madagascar
Liardetia tenuisculpta Unknown Philippines
Diastole tenuistriata R.C. Preece, 1995 Pitcairn Islands
Euconulus thaanumi C.M.F. Ancey, 1904 Hawaii
Euconulus thurstoni H.B. Baker, 1941 Hawaii
Greenwoodoconcha tomi H.B. Preston, 1913 Norfolk Island
Habroconus trochulinus (P.M.A. Morelet, 1851) Nicaragua
Coneuplecta trochulus (O.W.H. Reinhardt, 1883) Japan
Habroconus truchulinus (P.M.A. Morelet, 1849)
Microcystis tsara K.C. Emberton& R.J. Griffiths, 2009 Madagascar, Andriantantely
Philonesia turgida (C.M.F. Ancey, 1890) Hawaii
Coneuplecta turrita H.A. Pilsbry & Y. Hirase,1905 Japan
Coneuplecta ultima Y. Hirase, 1908 Japan, Yamagata
Tengchiena umbraculorum (J.C. Cox, 1864) New South Wales
Pseudoguppya utillensis (C.M.F. Ancey, 1886) Honduras
Guppya vaccus (O.A.L. Mörch, 1850)
Hiona verticillata (W.H. Pease, 1868)
Microcystis viaregina K.C. Emberton, 1994 Madagascar
Liardetia viridula (O.F. von Möllendorff,1897)
Microcystis vohimenae K.C. Emberton& T.A. Pearce, 2000
Microcystis vony K.C. Emberton, 2010 Madagascar, Andriantantely
Hiona wahiawae H.B. Baker, 1940 Hawaii
Philonesia waiheensis H.B. Baker, 1940 Hawaii
Philonesia waimanaloi H.B. Baker, 1940 Hawaii
Hiona waimanoi H.B. Baker, 1940 Hawaii
Philonesia welchi H.B. Baker, 1940 Hawaii
Palaua wilsoni (C.G. Semper) Palau
Liardetia yaeyamensis (H.A. Pilsbry, 1901) Okinawa
Discoconulus yakuensis H.A. Pilsbry, 1902 Japan, Ishikawa
Ernstia zeteki H.A. Pilsbry, 1930 Panama