Newtoniellidae
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 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
