Bittium is a genus of very small sea snails, marine gastropod molluscs in the family Cerithiidae, the horn snails.
This genus is found worldwide.
Species in the genus Bittium include:
Species brought into synonymy:
Bittium alternatum (Say, 1822) and Bittium nigrum (Totten, 1834) are synonyms of Bittiolum alternatum (Say, 1822)
Bittium boeticum (Pease, 1860) and Bittium pusillum (Gould, 1851) are synonyms of Cerithium boeticum Pease, 1860
Bittium diplax Watson, 1886 is a synonym of Cerithidium diplax (Watson, 1886)
Bittium furvum Watson, 1886 : synonym of Cacozeliana furva (Watson, 1886)
Bittium fuscocapitulum Hedley & Petterd, 1906 : synonym of Cacozeliana fuscocapitulum (Hedley & Petterd, 1906)
Bittium granarium (Kiener, 1842) is a synonym of Cacozeliana granarium (Kiener, 1842)
Bittium houbricki Ponder, 1993 : synonym of Ittibittium houbricki (Ponder, 1993)
Bittium icarus (Bayle, 1880) : synonym of Cacozeliana icarus (Bayle, 1880)
Bittium jadertinum Brusina, 1865: synonym of Bittium reticulatum (da Costa, 1778)
Bittium leucocephalum Watson, 1886 : synonym of Argyropeza leucocephala (Watson, 1886)
Bittium oryza (Mörch, 1876) : synonym of Ittibittium oryza (Mörch, 1876)
Bittium parcum Gould, 1861 is a synonym of Ittibittium parcum (Gould, 1861)
Bittium perparvulum Watson, 1886 is a synonym of Cerithidium perparvulum (Watson, 1886)
Bittium scabrum (Olivi, 1792) : synonym of Bittium reticulatum (da Costa, 1778)
Bittium torresiense Melvill & Standen, 1899 : synonym of Bittium elegantissimum (Hedley, 1899)
Bittium variegatum Henn & Brazier, 1894 : synonym of Cacozeliana variegatum (Henn & Brazier, 1894)
Bittium varium (Pfeiffer, 1840) – grass cerith is a synonym of Bittiolum varium (Pfeiffer, 1840)
Bittium zebrum (Kiener, 1841) is a synonym of Cerithium zebrum Kiener, 1841
