Thaumatocyprididae is a family of ostracods in the order Halocyprida which contains seven genera and one subfamily. It first appeared in the Lopingian Epoch, 259.9 million years ago.

Genera and subfamilies

  • Subfamily †Pokornyopsinae Kozur, 1974 Genus †Pokornyopsis Kozur, 1974
  • Genus Danielopolina Kornicker & Sohn, 1976
  • Genus Humphreysella Kornicker & Danielopol in Kornicker, Danielopol & Humphreys, 2006
  • Genus Thaumatoconcha Kornicker & Sohn, 1976
  • Genus Thaumatocypris Mueller, 1906
  • Genus Thaumatomma Kornicker & Sohn, 1976
  • Genus Welesina Iglikowska & Boxshall, 2013