Orthonota amygdalina (FOSSIL) T.A. Conrad 1841 †
Orthonota amygdalina globulosa (FOSSIL) (McCoy †)
Orthonota angulifera (FOSSIL) (F. McCoy, 1851 †)
Orthonota decipiens (FOSSIL) McCoy †
Orthonota decipiens (FOSSIL) (McCoy) †
Orthonota hughesi (FOSSIL) (Salter, 1873 †)
Orthonota scotica (FOSSIL) Lamont †
Orthonota truncata (FOSSIL) (McCoy) †
Orthonota undulata (FOSSIL) T.A. Conrad, 1841 †
Palaeosolen badgeraensis (FOSSIL) Dickins, 1963 †
Palaeosolen chapmani (FOSSIL) (Williams & Breger 1916) †,
Palaeosolen permiana (FOSSIL) C.O. Waterhouse, 1980 †
Sphenosolen draperi (FOSSIL) Pojeta& Gilbert-Tomlinson, 1977 †