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]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Superphylum Terrabacteria Battistuzzi et al. 2004
               Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
                 Class Bacilli Ludwig et al. 2010
                   Order Bacillalesᵀ Prévot 1953 (Approved Lists 1980)
                     Family Planococcaceae Krasil'nikov 1949 (Approved Lists 1980)
                       Genus Paenisporosarcina Krishnamurthi et al. 2009
                         1 Paenisporosarcina quisquiliarumᵀ Krishnamurthi et al. 2009
                         2 Paenisporosarcina macmurdoensis (Reddy et al. 2003) Krishnamurthi et al. 2009
                         3 Paenisporosarcina antarctica (Wu et al. 2008) Reddy et al. 2013
                         4 Paenisporosarcina indica Reddy et al. 2013