
  S.J. de Paggi
  FAMILY ASPLANCHNIDAE Eckstein, 1883
  Introduction. Acknowledgements. Diagnosis. Genus Harringia de Beauchamp, 
  1912. Genus Asplanchnopus de Guerne, 1888. Genus Asplanchna Gosse, 
  1850. Species inquirendae. References.
  
  S. Radwan and I. Bielanska-Grajner
  FAMILY GASTROPODIDAE Harring, 1913
  Diagnosis. Acknowledgements. Genus Gastropus Imhof, 1888. Genus Ascomorpha 
  Perty, 1850. Species inquirendae.
  References.
  
  H. Segers
  FAMILY LINDIIDAE Harring & Myers, 1924
  Introduction. Acknowledgements. Diagnosis. Genus Lindia Dujardin, 1841. 
  Subgenus Lindia Dujardin, 1841. Subgenus
  Neolindia n. subgen. Subgenus Halolindia Remane, 1933. Species 
  inquirendae, and taxa removed from Lindia.
  References.
  
  W.H. De Smet
  FAMILY MICROCODIDAE Hudson & Gosse, 1886
  Microcodon clavus Ehrenberg, 1830. References.
  
  E.D. Hollowday
  FAMILY SYNCHAETIDAE Hudson & Gosse, 1886
  Introduction. Acknowledgements. Genus Synchaeta Ehrenberg,1832. Species 
  inquirendae. Genus Polyarthra Ehrenberg 1834. Species inquirendae. Genus 
  Ploesoma Herrick, 1885. Species inquirendae. Genus Pseudoploesoma 
  Myers, 1938. References.
  
  H. Segers
  FAMILY TROCHOSPHAERIDAE Harring, 1913
  Systematics and Phylogeny. Acknowledgements. Emended diagnosis. Genus Trochosphaera 
  Semper, 1872. Genus Horaella
  Donner, 1949. Species inquirendae. References.
  
  La-orsri Sanoamuang
  Genus Filinia Bory de St. Vincent, 1824. Introduction.
  Acknowledgements. References.