Thyasira simplex (A.E. Verrill & K.J. Bush,1898)
Thyasira southwardae P.G. Oliver & A.M. Holmes,2006
Adontorhina sphaericosa P.H. Scott, 1986
Thyasira staufti (FOSSIL) A.A. Olsson, 1931 †
Thyasira striata (R. Sturany, 1896)
Parathyasira subcircularis (B.S. Payne & J.A. Allen,1991)
Thyasira subequatoria B.S. Payne & J.A. Allen,1991
Axinopsida suborbiculata (A. Adams, 1862)
Thyasira subovata (J.G. Jeffreys, 1881)
Axinopsida subquadrata (C.B. Adams, 1862)
Thyasira subtrigona J.G. Jeffreys, 1858
Thyasira succisa (J.G. Jeffreys, 1876)
Mendicula sudamericana D.G. Zelaya, 2010
Thyasira tanabei (FOSSIL) S. Kiel, K. Amano& R.G. Jenkins, 2008 †
Conchocele taylori (FOSSIL) C.J.S. Hickman, 2015 †
Thyasira tessaria (FOSSIL) A.A. Olsson, 1931 †
Axinulus thackergeigeri P.H. Valentich-Scott& E.V. Coan, 2012
Thyasira tokunagai (J.T. Kuroda & T. Habe,1951)
Ochetoctena tomasi P.G. Oliver, 2014
Thyasira tortuosa (J.G. Jeffreys, 1881)
Adontorhina transversa (C.M. Payne & J.A. Allen,1991)
Thyasira triseriata Unknown
Thyasira trisinuata (A.V.M.D. D'Orbigny,1853)
Thyasira ultima B.S. Payne & J.A. Allen,1991
Thyasira uncinata (FOSSIL) Kalikevich, 1981 †
Thyasira uncinata (FOSSIL) Kalishevich, 1981 †
Thyasira unilateralis K.H. Barnard, 1964
Parathyasira verconis (G.F. Angas, 1877)
Mendicula verrilli (B.S. Payne & J.A. Allen,1991)
Thyasira vulcolutre C.L. Rodrigues& P.G. Oliver, 2008
Thyasira xylodia (FOSSIL) S. Kiel & Goedert, 2007 †
Thyasira yamakawaensis T. Habe, 1949
Adontorhina zelayai P.H. Valentich-Scott& E.V. Coan, 2012