Pholadidae Lamarck, 1809
Penitella acutithyra (Tchang, Tsi & Li, 1960)
Penitella conradi Valenciennes, 1846
Penitella dolichothyra (Tchang, Tsi & Li, 1960)
Penitella fitchi Turner, 1955
Penitella gabbii (Tryon, 1863)
Penitella hopkinsi Kennedy & Armentrout, 1989
Penitella kamakurensis (Yokoyama, 1922)
Penitella penita (Conrad, 1837)
Penitella richardsoni Kennedy, 1989
Penitella turnerae Evans & Fisher, 1966