Pecten fragilis Jeffreys, 1876, [Synonym] Comments: Non Defrance, 1825.
Pecten undatus Verrill & Smith, 1885, [Synonym] Range: 39.09°N to 37.64°N; 73.28°W to 70.74°W Depth: 1404 to 6062 m Maximum Reported Size: 19 mm Comments: Non Defrance, 1825. Combining Genera: Palliolum