Trimusculus afer (J.F. Gmelin, 1791) Morocco, cap Cantin15 mm
Trimusculus carinatus (W.H. Dall, 1870) Saint Croix9 mm
Trimusculus conicus (G.F. Angas, 1867) New Zealand, Chatham Islands21 mm
Trimusculus costatus (C.F.F. von Krauss, 1848) Park Rynie, Natal, South Africa11 mm
Trimusculus escondidus G.T. Poppe & K. Groh,2009 Philippines, Bantayan Island16,4 mm
Trimusculus goesi (B. Hubendick, 1946) Jamaica3 mm
Trimusculus kurodai T. Habe, 1958 Japan, Kagoshima
Trimusculus mammillaris (C. Linnaeus, 1758) Gibraltar10 mm
Trimusculus mauritianus (E.C. Von Martens, 1880) Indian Ocean
Trimusculus niveus (F.W. Hutton, 1878) Australia17,3 mm
Trimusculus odhneri (B. Hubendick, 1946) Easter Island
Trimusculus peruvianus (G.B. II Sowerby, 1835) Chile, Iquique
Trimusculus reticulatus (G.B. II Sowerby, 1835) California12 mm
Trimusculus semicorneus (H.B. Preston, 1908)
Trimusculus stellatus (G.B. II Sowerby, 1835) Costa Rica, Cocos Island20 mm
Trimusculus yamamotoi T. Habe, 1958 Philippines, Bantayan Island16,4 mm