● Caumette P,Guyoneaud R,Duran R,Cravo-Laureau C,Matheron R (2007). Rhodobium pfennigii sp. nov., a phototrophic purple non-sulfur bacterium with unusual bacteriochlorophyll a antennae, isolated from a brackish microbial mat on Rangiroa atoll, French Polynesia.
Int. J. Syst. Evol. Microbiol. 57, 1250-5.
● Urdiain M,López-López A,Gonzalo C,Busse HJ,Langer S,Kämpfer P,Rosselló-Móra R (2008). Reclassification of Rhodobium marinum and Rhodobium pfennigii as Afifella marina gen. nov. comb. nov. and Afifella pfennigii comb. nov., a new genus of photoheterotrophic Alphaproteobacteria and emended descriptions of Rhodobium, Rhodobium orientis and Rhodobium gokarnense.
Syst. Appl. Microbiol. 31, 339-51.