^Parker, Charles Thomas; Wigley, Sarah; Garrity, George M (10 February 2009). Parker, Charles Thomas; Garrity, George M (eds.). "Taxonomic Abstract for the genera". NamesforLife, LLC. doi:10.1601/tx.2148. {{cite journal}}: Cite journal requires |journal= (help)
^Brenner, Don J.; Krieg, Noel R.; Staley, James R. (2007). Bergey's Manual® of Systematic Bacteriology: Volume 2: The Proteobacteria, Part B: The Gammaproteobacteria. Springer Science & Business Media. ISBN9780387280226.
