[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 Scytosiphonales
           Family Scytosiphonaceae Farlow (1881)
             Genus Colpomenia (Endl.) Derbès & Solier, in Castagne (1851)
               1 Colpomenia peregrina Sauvageau (1927) - oyster thief
               2 Colpomenia sinuosa (Mertens ex Roth) Derbès & Solier (1851)