Helcionella xinjiangensis (FOSSIL) Yü, 1986 †
Bemella xinjiensis (FOSSIL) S.Y. Feng & al., 1994 †
Igorella xundianensis (FOSSIL) Wang, 1994 †
Bemella yanjiaheensis (FOSSIL) C. Chen, 1984 †
Truncatoconus yichangensis (FOSSIL) Yü, 1979 †
Helcionella yunnanensis (FOSSIL) Zhang & Babcock, 2002 †