Fungi (Jahn & Jahn, 1959)
   Class Gymnocarpi
     Order Hymenothecii
       Hydnoidei
         Genus Hydnvm L. (1753), nom. sanct., nom. cons.
           * Stipitata, pileo plerisque integro s. orbiculari, aut exciso.
           ** Pileo dimidiato plerumque acauli, aut stipite horizontali.
           *** Odontia (Pers.) Pers. (1801)
           D Hericivm (Pers.) Pers. (1801)