Kellia rotundula (FOSSIL) L.C. Glenn, 1904 †
Kellia saxiriva (FOSSIL) C.J.S. Hickman, 2015 †
Bornia sebetia (A. da Costa, 1830)
Pseudopythina setosa (R.W. Dunker, 1864)
Kellia simulans E.A. Smith, 1907
Marikellia solida (G.F. Angas, 1877)
Bornia solomonis (FOSSIL) Garvie, 2013 †
Pseudopythina stearnsii W.H. Dall, 1899
Bornia stratissima G.B. Sowerby, 1865
Kellia subelliptica M. Yokoyama, 1924
Kellia suborbicularis (G. Montagu, 1803)
Kellia suborbicularis japonica H.A. Pilsbry, 1895
Kellia subrotundata (R.W. Dunker, 1882)
Pseudopythina subsinuata J.C. Melvill, 1897
Bornia tacaguana N.E. Weisbord, 1964
Hyalokellia tahaia B.K. Raines & M. Huber,2012
Bornia tallahalaensis (FOSSIL) D.T. Dockery, 1982 †
Bornia triangula (FOSSIL) L.C. Glenn, 1904 †
Nesobornia trigonalis (M. Yokoyama, 1924)
Kellia tsujitai T. Habe, 1959
Pseudopythina tsurumaru (T. Habe, 1959)
Kellia tumida (C.F. Laseron, 1956)
Marikellia turgescens (G.P. Deshayes, 1856)
Bornia virginiana (FOSSIL) A.A. Olsson, 1914 †
Kellia vokesi (FOSSIL) C.J.S. Hickman, 2015 †
Kellia yorkensis (B.C. Cotton& F.C. Godfrey, 1938)
Bornia zealanica A.W.B. Powell, 1937