Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade dorsates Cavalier-Smith, 2021
                   Clade podiates Cavalier-Smith, 2012
                     [crown] Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                       [crown] Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                         [crown] Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                           Superkingdom Holomycota Liu, Steenkamp, Brinkmann, Forget, Philippe & Lang, 2009
                             [crown] Kingdom Fungi R.T.Moore (1980) - fungi
                               [crown] Subkingdom Dikarya Hibbett, T.Y. James & Vilgalys (2007)
                                 Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
                                   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
                                     Class Dothideomycetes O.E. Erikss. & Winka (1997)
                                       Subclass Pleosporomycetidae C.L. Schoch, Spatafora, Crous & Shoemaker (2007)
                                         Order Mytilinidiales E.W.A. Boehm, C.L. Schoch & Spatafora (2009)
                                           Family Mytilinidiaceaeᵀ Kirschst. (1924)
                                             - [Genus Ostreion Sacc. (1883)] see Genus Ostreichnion Duby (1862)
                                             01 Genus Actidium Fr. (1815), nom. sanct.
                                             01.0 [Genus Bulliardella (Sacc.) Paoli (1905)] see Genus Actidium Fr. (1815), nom. sanct.
                                             01.0 [Genus Ostreionella Seaver (1926)] see Genus Actidium Fr. (1815), nom. sanct.
                                             02 Genus Halokirschsteiniothelia Boonmee & K.D.Hyde (2012)
                                             03 Genus Lophium Fr. (1818), nom. sanct.
                                             03.0 [Genus Lophidium P.Karst. (1873), nom. illeg.] see Genus Lophium Fr. (1818), nom. sanct.
                                             03.0 [Genus Scolecostroma Bat. & Peres (1960)] see Genus Lophium Fr. (1818), nom. sanct.
                                             04 Genus Mytilinidionᵀ Duby (1861)
                                             04.0 [Genus Murashkinskija Petr. (1928)] see Genus Mytilinidion Duby (1861)
                                             04.0 [Genus Mytilidion Sacc. (1875)] see Genus Mytilinidion Duby (1861)
                                             05 Genus Ostreola Darker (1963)
                                             06 Genus Quasiconcha M.E.Barr & M. Blackw. (1981)
                                             07 Genus Zoggium Lar.N. Vassiljeva (2001)
                                             08 Anamorph genus Peyronelia Cif. & Gonz. Frag. (1927)
                                             09 Anamorph genus Septonema Corda (1837)
                                             10 Anamorph genus Taeniolella S.Hughes (1958)