Class "Gammaproteobacteria" nom. inval. see Class Gammaproteobacteria Garrity et al. 2005
   Genus Hyphomicrobium Stutzer and Hartleb 1898 (Approved Lists 1980)
     Hyphomicrobium indicum Johnson and Weisrock 1969 (Approved Lists 1980) see Photobacterium indicum (Johnson and Weisrock 1969) Ivanova et al. 2004