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?] [Phylum "Proteobacteria" Garrity and Holt 2001] see Phylum Proteobacteria Garrity et al. 2005 [Class "Gammaproteobacteria" nom. inval.] see Class Gammaproteobacteria Garrity et al. 2005 [Order "Thiotrichales"] see Order Thiotrichales Garrity et al. 2005 1 [Family "Thiotrichaceae"] see Family Thiotrichaceae Garrity et al. 2005 2 [Family "Piscirickettsiaceae"] see Family Piscirickettsiaceae Fryer and Lannan 2005 3 [Family "Francisellaceae" nom. inval.] see Family Francisellaceae Sjöstedt 2005