Anapa J. E. Gray, 1842 accepted as Lasaea T. Brown, 1827 (original description)
Argina J. E. Gray, 1842 accepted as Lunarca J. E. Gray, 1842 (original description)
Atrina Gray, 1842 (original description)
Camitia Gray, 1842 (original description)
Cardinalia J. E. Gray, 1842 accepted as Rochia J. E. Gray, 1857 (original description)
Cepatia J. E. Gray, 1842 † (original description)
Cernina J. E. Gray, 1842 (original description)
Cinulia J. E. Gray, 1842 † (original description)
Clementia J. E. Gray, 1842 (original description)
Cucullaea (Barbatia) J. E. Gray, 1842 accepted as Barbatia J. E. Gray, 1842 (original description)
Dostia J. E. Gray, 1842 accepted as Neripteron (Dostia) J. E. Gray, 1842 represented as Neripteron Lesson, 1831 (original description)
Eglisia J. E. Gray, 1842 (original description)
Geloina J. E. Gray, 1842 (original description)
Gena Gray, 1842 accepted as Stomatella Lamarck, 1816 (original description)
Gibbium J. E. Gray, 1842 accepted as Micrelenchus H. J. Finlay, 1926 (original description)
Harlea Gray, 1842 accepted as Basterotia M. Hörnes, 1859 (original description)
Lasaeidae J. E. Gray, 1842 (original description)
Lepeta Gray, 1842 (original description)
Livona Gray, 1842 accepted as Cittarium R. A. Philippi, 1847 (original description)
Lunarca J. E. Gray, 1842 (original description)
Modiolarca J. E. Gray, 1842 accepted as Musculus (Modiolarca) J. E. Gray, 1842 represented as Musculus Röding, 1798 (original description)
Modulus J. E. Gray, 1842 (original description)
Nioma Gray, 1842 accepted as Vanikoro Quoy & Gaimard, 1832 (original description)
Pachystoma Gray, 1842 † accepted as Keilostoma Deshayes, 1850 † (original description)
Pentacrinitidae Gray, 1842 † (original description)
Talopia Gray, 1842 accepted as Monilea Swainson, 1840 (original description)
Tugonia J. E. Gray, 1842 (original description)
Zirfaea J. E. Gray, 1842 (original description)
Ziziphinus J. E. Gray, 1842 accepted as Calliostoma Swainson, 1840 (original description)