Leucosiidae Samouelle, 1819
Lithadia barnardi Stebbing, 1920
Lithadia brasiliensis (Von Martens, 1872)
Lithadia cadaverosa Stimpson, 1871
Lithadia conica (Coelho, 1973)
Lithadia cumingii Bell, 1855
Lithadia granulosa A. Milne-Edwards, 1880
Lithadia obliqua (Coelho, 1973)
Lithadia vertiginosa (Coelho, 1973)