Costellariidae MacDonald, 1860
Thala adamsi Rosenberg & Salisbury, 2003
Thala adumbrata Souverbie, 1876
Thala angiostoma Pease, 1868
Thala aubryi Turner, Gori & Salisbury, 2007
Thala cernica (Sowerby II, 1874)
Thala exilis (Reeve, 1845)
Thala floridana (Dall, 1884)
Thala foveata (Sowerby, 1874)
Thala gloriae Rosenberg & Salisbury, 2003
Thala gorii Rosenberg & Salisbury, 2003
Thala gratiosa (Reeve, 1845)
Thala hilli Rosenberg & Salisbury, 2007
Thala illecebra (Melvill, 1927)
Thala jaculanda (Gould, 1860)
Thala lillicoi Rosenberg & Salisbury, 2007
Thala maldivensis Turner, Gori & Salisbury, 2007
Thala malvacea Jousseaume, 1898
Thala manolae Turner, Gori & Salisbury, 2007
Thala milium (Reeve, 1845)
Thala mirifica (Reeve, 1845)
Thala ogasarawana Pilsbry, 1904
Thala ogasawarana Pilsbry, 1904
Thala recurva (Reeve, 1845)
Thala roseata (A. Adams, 1855)
Thala secalina (Gould, 1860)
Thala simulans (Martens, 1880)
Thala todilla (Mighels, 1845)
Thala violacea Garrett, 1872