[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Procaryotae Murray 1968 (Approved Lists 1980) stat. inval. see Domain Bacteria Woese et al. 1990 stat. inval.
     Genus †Primaevifilum Schopf (1983) see Genus Primaevifilum Schopf 1983 nom. inval.
       †Primaevifilum conicoterminatum Schopf 1992