Floyda concentrica (FOSSIL) W.H. Webster, 1905 †
Floyda obliqua (FOSSIL) (Spriesterbach, 1919 †)
Palaeotrochus kearnyi (FOSSIL) (J.W. Hall, 1861 †)
Turbonopsis apachiensis (FOSSIL) Day & Beus, 1982 †
Turbonopsis coronola (FOSSIL) (A.H. Clarke & Swartz,1913 †)
Turbonopsis hackberryensis (FOSSIL) (W.H. Webster, 1906 †)
Turbonopsis shumardii (FOSSIL) (J.W. Hall, 1879 †)
Turbonopsis spiculatus (FOSSIL) (Fenton & Fenton, 1924 †)
Westerna gigantea (FOSSIL) (W.H. Webster, 1888 †)
Westerna pulchra (FOSSIL) Fenton & Fenton, 1924 †
Westwooditrochus westwoodensis (FOSSIL) Cook, 1998 †