[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 Alphaproteobacteria Garrity et al. 2006
         Order Rhodobacterales Garrity et al. 2006
           Family Rhodobacteraceae Garrity et al. 2006
             Genus Rhodovulum Hiraishi and Ueda 1994
               1 Rhodovulum sulfidophilum (Hansen and Veldkamp 1973) Hiraishi and Ueda 1994
               2 Rhodovulum marinum Srinivas et al. 2006
               3 Rhodovulum adriaticum (Neutzling et al. 1984) Hiraishi and Ueda 1994
               4 Rhodovulum euryhalinum (Kompantseva 1989) Hiraishi and Ueda 1994
               5 Rhodovulum iodosum Straub et al. 1999
               6 Rhodovulum robiginosum Straub et al. 1999
               7 Rhodovulum strictum Hiraishi and Ueda 1995