Regnum Mycetoideum
   Class Gasteromycetes Fr. (1821)
     Order Uterini veri
       Suborder Pyrenomycetes
         Sphæriacei Fr.
           Genus Sphæria Haller (1768), nom. sanct. see Genus Hypoxylon Bull. (1791), nom. cons.
             Poronia (Willd.) Fr. (1821), nom. inval.