Thracia rugosa Lamarck, 1818, [Basis of the current name] Range: 20°N to 11°N; 90.5°W Distribution: Mexico: Gulf of Campeche References: García (2007b) NW
Thracia dalli Mansfield, 1929, [Synonym]
Thracia dissimilis Guppy, 1875, [Synonym]
Thracia magnifica Jonas, 1850, [Synonym] Range: 15°N to 10.67°N; 84°W to 64.17°W Depth: 0 m (live 14 to 0 m) Maximum Reported Size: 73 mm Distribution: Honduras, Venezuela: Falcon, Anzoategui, Sucre, Isla la Tortuga References: Gibson-Smith & Gibson-Smith (1979) DdNWMT; Macsotay & Campos (2001) LlSE
Cyathodonta rectangulata Macsotay, 1968, [Synonym] References: Macsotay & Campos (2001) s (of C. magnifica)
Thracia semirugosa Reeve, 1859, [Synonym] Range: 22°N to 6°S; 66.5°W to 37°W Depth: 30 to 90 m Maximum Reported Size: 25 mm Comments: Name introduced in synonymy of Thracia magnifica.
