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 "Proteobacteria" Craig et al. 2010 Phylum "Gammaproteobacteria" Garrity et al., 2005 [monotypic] Class Gammaproteobacteriaᵀ Garrity et al. 2005 Order Alteromonadales Bowman and McMeekin 2005 Family Pseudoalteromonadaceae Ivanova et al. 2004 Genus Algicola Ivanova et al. 2004 1 Algicola bacteriolyticaᵀ (Sawabe et al. 1998) Ivanova et al. 2004 2 Algicola sagamiensis (Kobayashi et al. 2003) Nam et al. 2007