• Penitella Valenciennes, 1846
• Penitella (Monoplax) S. Tchang, C.-Y. Tsi & K.-M. Li, 1960 accepted as Penitella Valenciennes, 1846
• Penitella (Penitella) Valenciennes, 1846 represented as Penitella Valenciennes, 1846
• Penitella acutithyra (S. Tchang, C.-Y. Tsi & K.-M. Li, 1960)
• Penitella conradi Valenciennes, 1846
• Penitella curvata Tryon, 1865 accepted as Penitella penita (Conrad, 1837)
• Penitella dolichothyra (S. Tchang, C.-Y. Tsi & K.-M. Li, 1960)
• Penitella fitchi R. D. Turner, 1955
• Penitella gabbii (Tryon, 1863)
• Penitella hopkinsi G. L. Kennedy & Armentrout, 1989
• Penitella incisa E. Lamy, 1921 accepted as Martesia striata (Linnaeus, 1758)
• Penitella larvata E. Lamy, 1921 accepted as Martesia striata (Linnaeus, 1758)
• Penitella lignivora E. Lamy, 1921 accepted as Martesia striata (Linnaeus, 1758)
• Penitella parva Tryon, 1865 accepted as Penitella conradi Valenciennes, 1846
• Penitella penita (Conrad, 1837)
• Penitella phaseolina E. Lamy, 1921 accepted as Martesia striata (Linnaeus, 1758)
• Penitella pisum E. Lamy, 1921 accepted as Martesia striata (Linnaeus, 1758)
• Penitella richardsoni G. L. Kennedy, 1989
• Penitella silicula E. Lamy, 1921 accepted as Martesia striata (Linnaeus, 1758)
• Penitella speloea Conrad, 1855 accepted as Penitella penita (Conrad, 1837)
• Penitella stillata E. Lamy, 1921 accepted as Martesia striata (Linnaeus, 1758)
• Penitella tubigera Valenciennes, 1846 accepted as Aspidopholas tubigera (Valenciennes, 1846)
• Penitella turnerae J. W. Evans & D. Fisher, 1966
• Penitella wilsonii Conrad, 1849 accepted as Pholadidea melanura (G. B. Sowerby I, 1834)
• Penitella xilophaga Valenciennes, 1846 accepted as Martesia striata (Linnaeus, 1758)
• Pholadidea (Penitella) Valenciennes, 1846 accepted as Penitella Valenciennes, 1846
• Pholadidea (Penitella) chishimana T. Habe, 1955 accepted as Penitella gabbii (Tryon, 1863)
• Pholadidea (Penitella) minuscula Dall, 1908 accepted as Martesia fragilis A. E. Verrill & K. J. Bush, 1898