Trigonostoma deshayesiana (FOSSIL) (J.P.S. Grateloup,1832 †) France, Aquitaine37 mm
Trigonostoma diamantinum T.A. Garrard, 1975 West Australia, Bunbury
Trigonostoma doliolare (FOSSIL) (B. de Basterot, 1825 †) France, Aquitaine23 mm
Trigonostoma druidi (FOSSIL) A.A. Olsson& R.E. Petit, 1964 † Florida40 mm
Trigonostoma elegantulum M. Smith, 1947 West Panama14 mm
Trigonostoma fenollerae (FOSSIL) (B.M. Landau, 1984 †) Spain, Andalusia32 mm
Trigonostoma gemmatum (FOSSIL) T.A. Conrad, 1833 † USA, Alabama, Clarke
Trigonostoma geslini (FOSSIL) B. de Basterot, 1825 † France, Aquitaine23 mm
Trigonostoma geslini josephinae A.W. Janssen, 1984 Belgium28 mm
Trigonostoma geslini lateapertum (FOSSIL) M.A. Peyrot, 1925 † France, Aquitaine29 mm
Trigonostoma gofasi A. Verhecken, 2007 Senegal, Dakar17 mm
Trigonostoma goniostoma (G.B. I Sowerby, 1832) Mexico, Mazatlan14,4 mm
Trigonostoma harasewychi (FOSSIL) E.J. Petuch, 1994 † Florida
Trigonostoma imbricatum (FOSSIL) (R. Hoernes, 1856 †) Spain, Andalusia26 mm
Trigonostoma indicum (FOSSIL) E.W. Vredenburg, 1925 † Pakistan, Sind, Mirpur Khas
Trigonostoma iota T.A. Garrard, 1975 Queensland
Trigonostoma kilburni R.E. Petit& M.G. Harasewych, 2000 South Africa, East London14,3 mm
Trigonostoma lamberti S.M. Souverbie, 1870 New Caledonia
Trigonostoma laseroni (T. Iredale, 1936) Australia, Broulee15 mm
Trigonostoma leopoldinae (FOSSIL) R. Tournouer, 1876 † France, Aquitaine14 mm
Trigonostoma limatum (FOSSIL) M. Yokoyama, 1928 † Japan, Miyazaki
Trigonostoma lindeni (FOSSIL) A.W. Janssen, 1984 † Netherlands26 mm
Trigonostoma milleri J.Q. Burch, 1949 Panama26,3 mm
Trigonostoma mistense (FOSSIL) A.W. Janssen, 1984 † Netherlands22 mm
Trigonostoma mozambicense R.E. Petit& M.G. Harasewych, 2002 Mozambique, Maputo Bay13 mm
Trigonostoma nitidum (A. Adams, 1855)
Trigonostoma panones (FOSSIL) G.F. Harris, 1902 † United States, Alabama, Choctaw
Trigonostoma parvotriangula (FOSSIL) (F. Sacco, 1894 †) Italy, Alessandria
Trigonostoma perspectiva (FOSSIL) T.A. Conrad, 1834 † Florida
Trigonostoma planispirum (P. Nyst, 1845 ) Netherlands6,5 mm
Trigonostoma pluricostata F. Kautsky, 1925 Belgium18 mm
Trigonostoma pouwi (FOSSIL) A.W. Janssen, 1984 † Netherlands10 mm
Trigonostoma protrigonostoma F. Sacco, 1894 Germany4,5 mm
Trigonostoma pseudumbilicare (FOSSIL) M.A. Peyrot, 1925 † France, Aquitaine27 mm
Trigonostoma puschi (FOSSIL) (R. Hoernes& M. Auinger, 1891 †) Poland21 mm