[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Proteobacteria" Garrity et al. 2005 see Superphylum Proteobacteria Craig et al. 2010
       Class Gammaproteobacteria Garrity et al. 2005
         Order Pseudomonadales Orla-Jensen 1921 (Approved Lists 1980)
           Family Moraxellaceae Rossau et al. 1991
             Genus Moraxella Lwoff 1939 (Approved Lists 1980)
               Subgenus [Branhamella] (Catlin 1970) Bøvre 1979 nom. inval. see Genus Moraxella Lwoff 1939 (Approved Lists 1980)
                 1 Moraxella (Branhamella) catarrhalis (Frosch and Kolle 1896) Bøvre 1979 (Approved Lists 1980) see Moraxella catarrhalis (Frosch and Kolle 1896) Henriksen and Bøvre 1968 (Approved Lists 1980)
                 2 Moraxella (Branhamella) caviae (Pelczar 1953) Bøvre 1979 (Approved Lists 1980) see Moraxella caviae (Pelczar 1953) Henriksen and Bøvre 1968 (Approved Lists 1980)
                 3 Moraxella (Branhamella) ovis (Lindqvist 1960) Bøvre 1979 (Approved Lists 1980) see Moraxella ovis (Lindqvist 1960) Henriksen and Bøvre 1968 (Approved Lists 1980)