Regnum Mycetoideum
   Class Hyphomycetes Fr. (1821) see Class Monilia A.Rich. (1832)
     Order Inomycetes
       Suborder Byssacei
         Byssi solidi Nees
           Byssini
             1 Genus Plegmatium Fr. (1819), nom. sanct., nom. dub. see Genus Phlegmatium Fr. (1819), nom. dub.
             2 Genus Byssus L. sensu Link (1809), nom. sanct.
             3 Genus Lanosa Fr. (1821), nom. sanct., nom. nud.
             4 Genus Acrotamnium Nees (1816), nom. dub. see Genus Tomentella Pers. ex Pat. (1887), nom. cons.