What is "newtoniellidae"

Newtoniellidae is a family of minute sea snails, marine gastropod mollusks or micromollusks in the superfamily Triphoroidea. It contains the following subfamilies :

• 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
  • Trituba Jousseaume, 1884

• 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