The Psammobiidae, or sunset clams, are a family of medium-sized saltwater clams, marine bivalve molluscs of the order Cardiida.

These genera are accepted by the database World Register of Marine Species:

• Asaphis Modeer, 1793
• Gari Schumacher, 1817
• Heterodonax Mörch, 1853
• Heteroglypta Martens in Möbius, 1880
• Nuttallia Dall, 1900
• Psammosphaerica Jousseaume, 1894
• Psammotella Herrmannsen, 1852
• Sanguinolaria Lamarck, 1799
• Soletellina Blainville, 1824

...