Seguenzia orientalis K.H.J. Thiele, 1925
Carenzia ornata B.A. Marshall, 1991
Basilissopsis oxytropis (R.B. Watson, 1879)
Quinnia patula (B.A. Marshall, 1983)
Sericogyra periglenes B.A. Marshall, 1988
Anxietas perplexa T. Iredale, 1917
Calliobasis phimosa B.A. Marshall, 1991
Seguenzia platamodes B.A. Marshall, 1991
Fluxinella polita B.A. Marshall, 1991
Quinnia polita (J.C. Verco, 1906)
Seguenzia praeceps B.A. Marshall, 1991
Seguenzia prisca (FOSSIL) B.A. Marshall, 1983 †
Basilissopsis regina (B.A. Marshall, 1983)
Basilissopsis rhyssa (W.H. Dall, 1927)
Seguenzia richeri B.A. Marshall, 1991
Fluxinella runcinata B.A. Marshall, 1991
Quinnia rushi (W.H. Dall, 1927)
Asthelys semiplicata B.A. Marshall, 1991
Carenzia serrata B.A. Marshall, 1991
Seguenzia serrata (FOSSIL) B.A. Marshall, 1983 †
Halystina siberutensis (K.H.J. Thiele, 1925)
Guttula sibogae M.M. Schepman, 1908
Asthelys simplex (R.B. Watson, 1879)
Halystina simplex (K.H. Barnard, 1963)
Fluxinella solarium (K.H. Barnard, 1963)
Seguenzia soyoae (T.A. Okutani, 1964)
Calliobasis spectrum B.A. Marshall, 1991
Seguenzia stegastris B.A. Marshall, 1991
Fluxinella stellaris L. Bozzetti, 2008
Fluxinella stenomphala (J.C. Melvill, 1910)
Seguenzia stephanica W.H. Dall, 1908
Thelyssina sterrha B.A. Marshall, 1983
Fluxinella stirophora B.A. Marshall, 1991
Seguenzia sumatrensis K.H.J. Thiele, 1925
Basilissa superba R.B. Watson, 1879