Retusa sulcata (R.B. Watson, 1883)
Sulcoretusa sulcata (A.V.M.D. D'Orbigny,1841) Bahamas
Sulcoretusa sulcata lipara (FOSSIL) (W.P. Woodring, 1928 †) Costa Rica2 mm
Relichna sumatrana (K.H.J. Thiele, 1925) New Caledonia
Retusa tarutana K.R. Smythe, 1979
Retusa tenerifensis (F. Nordsieck& F.F. Talavera, 1979) Portugal3 mm
Retusa teramachii T. Habe, 1952 Japan, Kochi
Retusa tokyoensis T. Habe, 1950 Japan
Retusa tornata (R.B. Watson, 1886) Canary Islands1,5 mm
Pyrunculus totostriatus (FOSSIL) B.M. Landau, F. Da Silva& S.M. Heitz, 2016 † Venezuela
Retusa toyamaensis (T. Habe, 1955) Japan
Retusa trunca Á. Valdés, 2008 New Caledonia, Bassin des Loyauté5 mm
Retusa truncatella (É.A.A. Locard, 1883) Spain3,9 mm
Relichna truncatula (M.M. Schepman, 1913) New Caledonia
Retusa truncatula (J.G. Bruguière, 1792) France, Corse Island4 mm
Retusa umbilicata (G. Montagu, 1803) Spain2 mm
Retusa variabilis (K.O. Milaschewitsch,1912) Black Sea
Relichna venustula (A. Adams, 1862) New Caledonia
Cylichnina villica (A.A. Gould, 1859) Easter Island
Retusa waughiana (C. Hedley, 1899) Japan
Retusa xystrum W.H. Dall, 1919 California
Retusa yaquensis (FOSSIL) C.J. Maury, 1917 † Dominican Republic