Newtoniellidae
Introduction '''Newtoniellidae''' is a family of minute sea snails, marine gastropod mollusks or micromollusks in the superfamily Triphoroidea.It contains the following subfamilies :* † ''Gothicispira'' Maxwell, 1988* † ''Miopila'' Finlay, 1926 * ''Retilaskeya'' B. A. Marshall, 1978* Adelacerithiinae** ''Adelacerithium'' Ludbrook, 1941* Ataxocerithiinae** ''Ataxocerithium'' Tate, 1894* Eumetulinae** ''Cerithiopsida'' Bartsch, 1911** ''Embrionalia'' Golikov, 1988** ''Eumetula'' Thiele, 1912** ''Furukawaia'' Kuroda & Habe in Habe, 1961** ''Marshallaskeya'' Gründel, 1980* Laeocochlidinae** ''Laeocochlis'' Dunker & Metzger, 1875** ''Sasamocochlis'' Gründel, 1980* Newtoniellinae** ''Cerithiella'' Verrill, 1882**'' Granulotriforis'' Kosuge, 1967** ''Paramendax'' A. W. B. Powell, 1937: synonym of ''Trituba'' Jousseaume, 1884** ''Trituba'' Jousseaume, 1884;Genera brought into synonymy :* ''Altispecula'' Powell, 1930: synonym of ''Eumetula (Altispecula)'' Powell, 1930 represented as ''Eumetula'' Thiele, 1912* ''Binda'' Laseron, 1951: synonym of ''Cerithiella'' Verrill, 1882* ''Cerithiolinum'' Locard, 1903: synonym of ''Cerithiella'' Verrill, 1882* ''Chasteria'' Iredale, 1915: synonym of ''Cerithiella'' Verrill, 1882* ''Eumeta'' Mörch, 1868: synonym of ''Eumetula'' Thiele, 1912* ''Euseila'' Cotton, 1951: synonym of ''Cerithiella'' Verrill, 1882* ''Furukuwaia'': synonym of ''Furukawaia'' Kuroda & Habe in Habe, 1961* ''Geminataxum'' Iredale, 1936: synonym of ''Ataxocerithium'' Tate, 1894* ''Laiocochlis'' Dunker & Metzger, 1874: synonym of ''Laeocochlis'' Dunker & Metzger, 1874* ''Laskeya'' Iredale, 1918: synonym of ''Eumetula'' Thiele, 1912* ''Lovenella'' G. O. Sars, 1878: synonym of ''Cerithiella'' Verrill, 1882* ''Newtonia'' Cossman, 1892: synonym of ''Cerithiella'' Verrill, 1882* ''Newtoniella'' Cossman, 1893: synonym of ''Cerithiella'' Verrill, 1882* ''Stilus'' Jeffreys, 1885: synonym of ''Cerithiella'' Verrill, 1882* ''Tauroforis'' Sacco, 1895: synonym of ''Trituba'' Jousseaume, 1884
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