^Parker, Charles Thomas; Osier, Nicole Danielle; Garrity, George M (21 April 2009). Parker, Charles Thomas; Garrity, George M (eds.). "Taxonomic Abstract for the genera". NamesforLife, LLC. doi:10.1601/tx.4469. {{cite journal}}: Cite journal requires |journal= (help)
^Vos, Paul; Garrity, George; Jones, Dorothy; Krieg, Noel R.; Ludwig, Wolfgang; Rainey, Fred A.; Schleifer, Karl-Heinz; Whitman, William B. (2011). Bergey's Manual of Systematic Bacteriology: Volume 3: The Firmicutes. Springer Science & Business Media. ISBN9780387684895.