[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Algae L. (1753) see [unranked] Algae
     Phylum Phaeophycota see Class Phaeophyceae Hansgirg (1886)
       Class Phaeophyceae Hansgirg (1886) - brown algae
         Order Chordariales
           Family Leathesiaceae
             Genus Myriactula Kuntze (1898)
               01 Myriactula arabica (Kützing) J. Feldmann (1937)
               02 Myriactula areschougii (P.L. Crouan & H.M. Crouan) G. Hamel (1935)
               03 Myriactula chordae (Aresch.) Levring (1937)
               04 Myriactula clandestina (P.L. Crouan & H.M. Crouan) Feldmann (1943)
               05 Myriactula elongata (Sauvageau) G. Hamel
               06 Myriactula fucorum (Rosenvinge) Kylin (1947)
               07 Myriactula gracilis van der Ben
               08 Myriactula haydenii (Gatty) Levring (1937)
               09 Myriactula microscopica (Ercegovic) Ercegovic
               10 Myriactula rigida (Sauvageau) G. Hamel
               11 Myriactula rivulariae (Suhr) J. Feldmann (1937)
               12 Myriactula stellulata (Harvey) Levring (1937)
               13 Myriactula vlastae J. Feldmann (1954)