Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies Biota Domain Bacteria Woese et al. 1990 Superphylum "Proteobacteria" Craig et al. 2010 Phylum "Gammaproteobacteria" [monotypic] Class Gammaproteobacteriaᵀ Garrity et al. 2005 Order Pseudomonadales Orla-Jensen 1921 (Approved Lists 1980) Family Moraxellaceae Rossau et al. 1991 Genus Acinetobacter Brisou and Prévot 1954 (Approved Lists 1980) Acinetobacter haemolyticus (ex Stenzel and Mannheim 1963) Bouvet and Grimont 1986