Trigonostoma peterana Olsson & Harbison, 1953� | 
Trigonostoma scalare (Gmelin, 1791) | 
Trigonostoma scalata (Sowerby, 1832) |
Trigonostoma semidisjunctum (Sowerby II, 1849) | 
Trigonostoma sericea (Dall, 1892)� | 
Trigonostoma sp. 99753 |
Trigonostoma textilis (Kiener, 1841) | 
Trigonostoma thysthlon Petit & Harasewych, 1987 | 
Trigonostoma tuberculosum (G. B. Sowerby I, 1832) |
Trigonostoma tuberculosum (Sowerby, 1832) | 
Tritonoharpa aclinica (Tucker & Wilson, 1932)� | 
Tritonoharpa aff. angasi (Brazier, 1877) |
Tritonoharpa angasi (Brazier, 1877) | 
Tritonoharpa antiquata (Hinds, 1844) | 
Tritonoharpa bayeri (Petuch, 1986) |
Tritonoharpa beui Verhecken, 1997 | 
Tritonoharpa brunnea Beu & Maxwell, 1987 | 
Tritonoharpa cf. leali Harasewych, Petit & Vehrecken, 1992 |
Tritonoharpa cubapatriae (Saras�a, 1975) | 
Tritonoharpa curvapex L. Souza, R. S. Gomes & P. M. Costa, 2020 | 
Tritonoharpa floridensis (Tucker & Wilson, 1932)� |
Tritonoharpa lanceolata (Menke, 1828) | 
Tritonoharpa leali Harasewych, Petit & Vehrecken, 1992 | 
Tritonoharpa pseudangasi Beu & Maxwell, 1987 |
Tritonoharpa siphonata (Reeve, 1844) | 
Ventrilia carolinensis (Emmons, 1858)� | 
Ventrilia elizabethae (Olsson & Petit, 1964)� |
Ventrilia tenera (R. A. Philippi, 1848) | | |
