Sinuopea typicalis (FOSSIL) Butts, 1926 †
Euconia umbilicata (FOSSIL) Dake & Bridge, 1932 †
Sinuopea vera (FOSSIL) Ulrich & al., 1931 †
Schizopea wanwankouensis (FOSSIL) Yü & E.L. Yochelson,1999 †
Schizopea washburnensis (FOSSIL) Butts, 1926 †
Sinuopea whittardi (FOSSIL) C.M. Poulsen, 1937 †
Umbospira yochelsoni (FOSSIL) Peel, 1977 †