- Bittiolum varium (L. Pfeiffer, 1840)
- Bittium amblyterum (R. B. Watson, 1880) accepted as Cerithiella amblytera (R. B. Watson, 1880)
- Bittium enode (R. B. Watson, 1880) accepted as Cerithiella enodis (R. B. Watson, 1880)
- Bittium gemmatum (R. B. Watson, 1880) accepted as Bittium watsoni (Jeffreys, 1885)
- Bittium mamillanum (R. B. Watson, 1880) accepted as Cerithiella amblytera (R. B. Watson, 1880)
- Bittium watsoni (Jeffreys, 1885)
- Bittium watsoni var. dissimilis Sykes, 1925 accepted as Bittium watsoni (Jeffreys, 1885)
- Varicopeza crystallina (Dall, 1881)