Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 2024
             Kingdom Bacillatiᵀ (Gibbons and Murray 1978) Oren and Göker 2024
               Phylum Bacillotaᵀ Gibbons and Murray 2021
                 Class Bacilliᵀ Ludwig et al. 2010
                   Order Caryophanalesᵀ Peshkoff 1939 (Approved Lists 1980)
                     Family Listeriaceae Ludwig et al. 2010
                       Genus Listeriaᵀ Pirie 1940 (Approved Lists 1980) nom. cons.
                         01 Listeria aquatica Den Bakker et al. 2014
                         02 Listeria cornellensis Den Bakker et al. 2014
                         03 Listeria fleischmannii Bertsch et al. 2013
                         04 Listeria floridensis Den Bakker et al. 2014
                         05 Listeria grandensis Den Bakker et al. 2014
                         06 Listeria grayi Errebo Larsen and Seeliger 1966 (Approved Lists 1980)
                         07 Listeria innocua (ex Seeliger and Schoofs 1979) Seeliger 1983
                         08 Listeria ivanovii Seeliger et al. 1984
                         09 Listeria marthii Graves et al. 2010
                         10 Listeria monocytogenesᵀ (Murray et al. 1926) Pirie 1940 (Approved Lists 1980)
                         11 Listeria riparia Den Bakker et al. 2014
                         12 Listeria rocourtiae Leclercq et al. 2010
                         13 Listeria seeligeri Rocourt and Grimont 1983
                         14 Listeria weihenstephanensis Lang Halter et al. 2013
                         15 Listeria welshimeri Rocourt and Grimont 1983