Cancellariidae Forbes & Hanley, 1853
Cancellaria (Trigonostoma) biplicifera
Cancellaria (Trigonostoma) gurabis
Cancellaria (Trigonostoma) perspectiva
Trigonostoma agassizii
Trigonostoma amasia (Iredale, 1930)
Trigonostoma antiquata (Hinds, 1843)
Trigonostoma antiquatum (Hinds, 1843)
Trigonostoma babylonicum
Trigonostoma bicolor (Hinds, 1843)
Trigonostoma birmanicum
Trigonostoma bocageana Crosse & Debeaux, 1863
Trigonostoma breve (G.B. Sowerby I, 1832)
Trigonostoma bullatum (G.B. Sowerby I, 1832)
Trigonostoma chui Yen, 1936
Trigonostoma costifera Sowerby, 1832
Trigonostoma costiferum (G.B. Sowerby I, 1832)
Trigonostoma crispatum
Trigonostoma decorara
Trigonostoma diamantina Garrard, 1975
Trigonostoma diamantinum Garrard, 1975
Trigonostoma elegantulum M. Smith, 1947
Trigonostoma gemmatum
Trigonostoma gofasi Verhecken, 2007
Trigonostoma goniostoma (G.B. Sowerby I, 1832)
Trigonostoma (Extractrix) hoerlei
Trigonostoma indicum
Trigonostoma insulare
Trigonostoma interlaevis (Laseron, 1955)
Trigonostoma iota Garrard, 1975
Trigonostoma kilburni Petit & Harasewych, 2000
Trigonostoma lamberti (Souverbie in Souverbie & Montrouzier, 1870)
Trigonostoma lamellosa (Hinds, 1843)
Trigonostoma laseroni (Iredale, 1936)
Trigonostoma mangelioides Reeve, 1856
Trigonostoma (Emmonsella) marthae
Trigonostoma milleri Burch, 1949
Trigonostoma mozambicense Petit & Harasewych, 2002
Trigonostoma nitida Reeve, 1856
Trigonostoma nitidum (A. Adams, 1855)
Trigonostoma obliquata (Lamarck, 1822)
Trigonostoma panones
Trigonostoma paucicostata (Sowerby ?, 1894)
Trigonostoma pellucida Perry, 1811
Trigonostoma pouwi Janssen, 1984
Trigonostoma pygmaeum (C.B. Adams, 1852)
Trigonostoma ripleyana
Trigonostoma rugosum (Lamarck, 1822)
Trigonostoma scala (Gmelin, 1791)
Trigonostoma scalare (Gmelin, 1791)
Trigonostoma scalariformis (Lamarck, 1822)
Trigonostoma scalarina (Lamarck, 1822)
Trigonostoma semidisjunctum (G.B. Sowerby II, 1849)
Trigonostoma septemcostata Odhner, 1917
Trigonostoma (Emmonsella) smithfieldensis
Trigonostoma souverbiei Crosse, 1868
Trigonostoma speciosum
Trigonostoma tampaensis
Trigonostoma tenerum (Philippi, 1848)
Trigonostoma teramachii (Habe, 1961)
Trigonostoma tessella Garrard, 1975
Trigonostoma textilis (Kiener, 1841)
Trigonostoma thomasiana Crosse, 1861
Trigonostoma thysthlon Petit & Harasewych, 1987
Trigonostoma toroense
Trigonostoma trigonostoma Lamarck, 1822
Trigonostoma triumpha
Trigonostoma tryblium Bouchet & Petit, 2008
Trigonostoma tuberculosa (G.B. Sowerby I, 1832)
Trigonostoma vinnulum Iredale, 1925
Trigonostoma woodringi