Bittium

Bittium is a genus of very small sea snails, marine gastropod molluscs in the family Cerithiidae, the horn snails.

Distribution
This genus is found worldwide.

Species
Species in the genus Bittium include:


 * Bittium aedonium (Watson, 1880)
 * Bittium afrum
 * Bittium amboynense (Watson, 1881)
 * Bittium anembatum (Melvill, 1904)
 * Bittium aquaticum
 * Bittium arenaense Hertlein & Strong, 1951
 * Bittium armillatum (Carpenter, 1864)
 * Bittium arnoldi Bartsch, 1911
 * Bittium atramentarium Melvill & Standen, 1901
 * Bittium bandatum Bozzetti, 2019
 * Bittium bartolomense Bartsch, 1917
 * Bittium batillarium Kuroda & Habe, 1971
 * Bittium casmaliense Bartsch, 1911
 * Bittium cerithium
 * Bittium cerralvoense Bartsch, 1911
 * Bittium challisae Bartsch, 1917
 * Bittium chrysomallum Melvill, 1901
 * Bittium circa Moreno, 2006
 * Bittium clathratalum
 * † Bittium courtillerianum (Millet, 1865)
 * † Bittium crassicostatum (Etheridge & Bell, 1898)
 * † Bittium crassum Landau, Ceulemans & Van Dingenen, 2018
 * Bittium decussatum (Carpenter, 1857)
 * Bittium delicatum (Watson, 1880)
 * Bittium depauperatum (Watson, 1880)
 * Bittium diminutivum (Philippi, 1845)
 * Bittium dumblei
 * Bittium editum (Powell, 1930)
 * Bittium elegantissimum (Hedley, 1899)
 * † Bittium eniwetokense Ladd, 1972
 * Bittium exiguum
 * Bittium fastigiatum Carpenter, 1864
 * Bittium filosum
 * Bittium fretense
 * † Bittium gallicum Landau, Ceulemans & Van Dingenen, 2018
 * Bittium giganteum Bartsch, 1911
 * Bittium glareosum Gould, 1861
 * † Bittium gliberti Van Dingenen, Ceulemans & Landau, 2016
 * Bittium hartbergense
 * Bittium hawaiiensis
 * Bittium impendens (Hedley, 1899)
 * Bittium incile Watson, 1897
 * Bittium inornatum Bartsch, 1911
 * Bittium insulsum Preston, 1908
 * Bittium koeneni
 * Bittium lacteum (Philippi, 1836)
 * Bittium laevicordatum (Powell, 1937)
 * † Bittium larrieyense Vignal, 1911
 * Bittium latreillii (Payraudeau, 1826)
 * † Bittium lozoueti Van Dingenen, Ceulemans & Landau, 2016
 * Bittium lusciniae (Watson, 1880)
 * Bittium mexicanum Bartsch, 1911
 * Bittium midwayense Kosuge, 1979
 * Bittium multiliratum
 * Bittium nanum (Mayer, 1864)
 * Bittium nicholsi Bartsch, 1911
 * Bittium nitens Carpenter, 1864
 * Bittium ornatissimum Bartsch, 1911
 * Bittium paleonotum
 * Bittium paludosum
 * Bittium panamense Bartsch, 1911
 * Bittium peruvianum (d'Orbigny, 1841)
 * Bittium philomelae (Watson, 1880)
 * Bittium pigrum (Watson, 1880)
 * † Bittium pingue Landau, Ceulemans & Van Dingenen, 2018
 * Bittium porcellanum Watson, 1886
 * Bittium proteum (Jousseaume, 1930)
 * Bittium pupiforme (Watson, 1880)
 * Bittium quadricinctum E. A. Smith, 1903
 * † Bittium renauleauense Landau, Ceulemans & Van Dingenen, 2018
 * Bittium reticulatum (da Costa, 1778) –
 * Bittium rubanocinctum
 * Bittium russiensis
 * Bittium salinae
 * Bittium sanjuanense Bartsch, 1917
 * Bittium santamariense Bartsch, 1917
 * Bittium scalatum
 * Bittium semigranosum
 * Bittium semigranulosum
 * Bittium serra Bartsch, 1917
 * Bittium simplex (Jeffreys, 1867)
 * Bittium spina
 * Bittium stigmosum
 * Bittium submamillatum (Jeffreys, 1867)
 * † Bittium sublima (d'Orbigny, 1852)
 * Bittium tenuispina
 * Bittium terebelloides
 * † Bittium transenna (Bayan, 1873)
 * Bittium tumidum Bartsch, 1907
 * Bittium turritella
 * Bittium vancouverense Dall & Bartsch, 1910
 * † Bittium venustulum (Millet, 1865)
 * † Bittium vignali Dollfus, 1909
 * Bittium watsoni (Jeffreys, 1885)
 * Bittium xanthum Watson, 1886


 * Species brought into synonymy:
 * Bittium adamsi Dall, 1889: synonym of Finella adamsi (Dall, 1889)
 * Bittium alternatum (Say, 1822) and Bittium nigrum (Totten, 1834) are synonyms of Bittiolum alternatum (Say, 1822)
 * Bittium asperum Gabb, 1861: synonym of Lirobittium asperum (Gabb, 1861)
 * Bittium attenuatum Carpenter, 1864 – slender cerith: synonym of Lirobittium attenuatum (Carpenter, 1864)
 * Bittium boeticum (Pease, 1860) and Bittium pusillum (Gould, 1851) are synonyms of Cerithium boeticum Pease, 1860
 * Bittium catalinense Bartsch, 1907: synonym of Lirobittium purpureum (Carpenter, 1864)
 * Bittium cinctum Hutton, 1885: synonym of Seila cincta (Hutton, 1886)
 * † Bittium cossmanni: synonym of † Hemicerithium cossmanni (Dall, 1892)
 * Bittium diplax Watson, 1886 is a synonym of Cerithidium diplax (Watson, 1886)
 * Bittium eschrichti (Middendorff, 1849): synonym of Neostylidium eschrichtii (Middendorff, 1849)
 * Bittium estuarinumTate, 1893: synonym of Zeacumantus plumbeus (G. B. Sowerby II, 1855)
 * Bittium exile (Hutton, 1873): synonym of Zebittium exile (Hutton, 1873)
 * Bittium fetellum Bartsch, 1911: synonym of Lirobittium fetellum (Bartsch, 1911) (original combination)
 * 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 hiloense: synonym of Bittinella hiloensis (Pilsbry & Vanatta, 1908)
 * Bittium houbricki Ponder, 1993 : synonym of Ittibittium houbricki (Ponder, 1993)
 * Bittium icarus (Bayle, 1880) : synonym of Cacozeliana icarus (Bayle, 1880)
 * Bittium interfossa (Carpenter, 1864): synonym of Lirobittium interfossa (Carpenter, 1864)
 * Bittium jadertinum Brusina, 1865: synonym of Bittium reticulatum (da Costa, 1778)
 * Bittium johnstonae Bartsch, 1911: synonym of Lirobittium johnstonae (Bartsch, 1911) (original combination)
 * Bittium larum Bartsch, 1911: synonym of Lirobittium larum (Bartsch, 1911) (original combination)
 * Bittium lawleyanum Crosse, 1863: synonym of Zeacumantus plumbeus (G. B. Sowerby II, 1855)
 * Bittium leucocephalum Watson, 1886 : synonym of Argyropeza leucocephala (Watson, 1886)
 * Bittium minutulum: synonym of Batillariella minutula (Thiele, 1930) (original combination)
 * Bittium munitum (Carpenter, 1864): synonym of Lirobittium munitum (Carpenter, 1864)
 * Bittium oldroydae Bartsch, 1911: synonym of Lirobittium oldroydae (Bartsch, 1911) (original combination)
 * Bittium oryza (Mörch, 1876) : synonym of Ittibittium oryza (Mörch, 1876)
 * Bittium paganicum (Dall, 1919): synonym of Lirobittium paganicum (Dall, 1919)
 * 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 perpusillum Tryon, 1887 : synonym of Cerithium alutaceum (Gould, 1861)
 * Bittium plumbeum: synonym of Zeacumantus plumbeus (G. B. Sowerby II, 1855)
 * Bittium quadrifilatum Carpenter, 1864 – four-thread cerith: synonym of Lirobittium quadrifilatum (Carpenter, 1864) (original combination)
 * Bittium scabrum (Olivi, 1792) : synonym of Bittium reticulatum (da Costa, 1778)
 * Bittium seymourianum Strebel, 1908: synonym of Cerithiella seymouriana (Strebel, 1908) (original combination)
 * Bittium subplanatum Bartsch, 1911: synonym of Lirobittium rugatum (Carpenter, 1864)
 * 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


 * Nomen dubium:
 * Bittium alabastrulum (Mörch, 1876)
 * Bittium caraboboense (Weisbord, 1962)
 * Bittium galactis Mörch, 1876
 * Bittium lima (Bruguière, 1792)