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 "Betaproteobacteria" Garrity et al., 2006 [monotypic] Class Betaproteobacteriaᵀ Garrity et al. 2006 Order Neisseriales Tønjum 2006 Family Neisseriaceaeᵀ Prévot 1933 (Approved Lists 1980) Genus Neisseriaᵀ Trevisan 1885 (Approved Lists 1980) Neisseria cinerea (von Lingelsheim 1906) Murray 1939 (Approved Lists 1980)