Family Discoidae
 
Dictyocoryne Ehrenberg, 1861
 
  Dictyocoryne euchitonia Haeckel, 1887 (3, 4, 5)
 
Spongotrochus Haeckel, 1860
 
  Spongotrochus brevispinus Haeckel, 1860 (3, 4, 5)
 
Stylodictya Ehrenberg, 1847
 
  Stylodictya multispina Haeckel, 1887 (3, 4, 5)

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