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 Alteromonadaceaeᵀ Ivanova and Mikhailov 2001 Genus Alteromonasᵀ Baumann et al. 1972 (Approved Lists 1980) [Alteromonas haloplanktis (ZoBell and Upham 1944) Reichelt and Baumann 1973 (Approved Lists 1980)] see Pseudoalteromonas haloplanktis subsp. haloplanktis (ZoBell and Upham 1944) Gauthier et al. 1995 [Alteromonas haloplanktis subsp. tetraodonis] see Pseudoalteromonas tetraodonis (Simidu et al. 1990) Ivanova et al. 2001