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 "Vibrionales" Garrity & Holt, 2001 [monotypic] Family Vibrionaceaeᵀ Véron 1965 (Approved Lists 1980) Genus Vibrioᵀ Pacini 1854 (Approved Lists 1980) Vibrio cholerae Pacini 1854 (Approved Lists 1980) Serogroup Vibrio cholerae O1 Vibrio cholerae O1 biovar cholerae Vibrio cholerae O1 biovar eltor