Tryonia chuviscarae R. Hershler, H.P. Liu& J.J. Landye, 2011
Tryonia cingulifera (A. Adams, 1860)
Tryonia circumstriata A.B. Leonard & T.H. Ho,1960
Tryonia clathrata W. Stimpson, 1865
Tryonia contrerasi R. Hershler, H.P. Liu& J.J. Landye, 2011
Tryonia diaboli H.A. Pilsbry & J.H. Ferriss,1906
Tryonia dorialis (A. Adams, 1863)
Tryonia dugesiana (J.P.E. Morrison, 1945)
Tryonia elata R. Hershler & D.W. Sada,1987
Tryonia ericae R. Hershler & D.W. Sada,1987
Tryonia gilae D.W. Taylor, 1987
Tryonia herschleri Czaja & Estrada-Rodriguez,2015
Tryonia hertleini (M. Drake, 1956)
Tryonia imitator (H.A. Pilsbry, 1899)
Tryonia infernalis R. Hershler, H.X. Liu& C.T. Simpson, 2015
Tryonia julimesensis R. Hershler, H.P. Liu& J.J. Landye, 2011
Tryonia kosteri D.W. Taylor, 1987
Tryonia laqueata (FOSSIL) T.A. Conrad, 1871 †
Tryonia margae R. Hershler, 1989
Tryonia mariae (J.P.E. Morrison, 1945)
Tryonia metcalfi R. Hershler, H.P. Liu& J.J. Landye, 2011
Tryonia minckleyi R. Hershler, H.P. Liu& J.J. Landye, 2011
Tryonia minuscula (FOSSIL) W.M. Gabb, 1869 †
Tryonia molinae R. Hershler, H.P. Liu& J.J. Landye, 2011
Tryonia monitorae R. Hershler, 1999
Tryonia nuttalli (FOSSIL) Wesselingh, 2006 †
Tryonia oasiensis R. Hershler, H.P. Liu& J.J. Landye, 2011
Tryonia perclathrata K. Sakurai, 1983
Tryonia peregrina R. Hershler, H.P. Liu& J.J. Landye, 2011
Tryonia pilsbryi (J.P.E. Morrison, 1945)
Tryonia porrecta (J.W. Mighels, 1845)
Tryonia protea (A.A. Gould, 1855)
Tryonia pseudocircumstriata Czaja & Estrada-Rodriguez,2015
Tryonia pulchella (A. Adams, 1860)
Tryonia quitobaquitae R. Hershler, 1988