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 "Epsilonproteobacteria" Garrity et al., 2006 Class Epsilonproteobacteriaᵀ Garrity et al. 2006 Order Campylobacterales Garrity et al. 2006 Family Helicobacteraceae Garrity et al. 2006 Genus Wolinella Tanner et al. 1981 [monotypic] 0.1 [Wolinella curva Tanner et al. 1984] see Campylobacter curvus (Tanner et al. 1984) Vandamme et al. 1991 0.2 [Wolinella recta Tanner et al. 1981] see Campylobacter rectus (Tanner et al. 1981) Vandamme et al. 1991 1 Wolinella succinogenesᵀ (Wolin et al. 1961) Tanner et al. 1981