Solemya velum T. Say, 1822 New York. Long Island22 mm
Solemya ventricosa (FOSSIL) T.A. Conrad, 1849 † Oregon, Coos bay, Astoria formation76 mm
Solemya vetusta J.W. Hall Indiana
Solemya winckworthi B. Prashad, 1932
Petrasma woodwardiana (FOSSIL) (J. Leckenby, 1859 †) UK, Yorkshire