Species: mirabilis (FRITSCH, 1895) SPINDLER, VOIGT & FISCHER, 2023
  Etymology:
  = Naosaurus mirabilis FRITISCH, 1895
  = Edaphosaurus mirabilis (FRITSCH, 1895)
  ROMER & PRICE, 1940
  = Ianthasaurus mirabilis (FRITSCH, 1895) 
Holotype: NM 633
Locality: Kuonova, Kladno-Ravovnik Basin, Rychnov nad Kněžnou District, Hradec Králové Region, Czech Republic.
Horizon: Kounova coal beds, Slany Formaiton..
Biostratigraphy:
Age: Middle Gzelian Epoch, Latest Carboniferous (Latest Pennsylvanian).
Material: Fragmentary vertebra.
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