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Scientific classification
Kingdom: Bacteria
Phylum: Proteobacteria
Class: Alphaproteobacteria
Subclass: Caulobacteridae
Order: Caulobacterales
Family: Caulobacteraceae
Henrici & Johnson, 1935


Caulobacteraceae is a family of proteobacteria, given its own order (Caulobacterales) within the alpha subgroup.[1] Like all Proteobacteria, the Caulobacteraceae are gram-negative.[1] Caulobacteraceae includes the genera Asticcacaulis, Brevundimonas, Phenylobacterium and Caulobacter.[2]

The typespecies Caulobacter gives its name also to the recently proposed subclass, the Caulobacteridae, which includes the orders Caulobacterales, Parvularculales, Rhizobiales, Rhodobacterales, Rhodospirillales, Sneathiellales, Sphingomonadales, Kiloniellales, Kordiimonadales and controversially the Holosporales.[3]


  1. ^ a b Garrity, George M.; Brenner, Don J.; Krieg, Noel R.; Staley, James T. (eds.) (2005). Bergey's Manual of Systematic Bacteriology, Volume Two: The Proteobacteria, Part C: The Alpha-, Beta-, Delta-, and Epsilonproteobacteria. New York, New York: Springer. ISBN 978-0-387-24145-6.
  2. ^ Euzéby, J. P. "List of Prokaryotic Names with Standing in Nomenclature". Retrieved March 28, 2014. 
  3. ^ Ferla, M. P.; Thrash, J. C.; Giovannoni, S. J.; Patrick, W. M. (2013). "New rRNA gene-based phylogenies of the Alphaproteobacteria provide perspective on major groups, mitochondrial ancestry and phylogenetic instability". PLoS ONE. 8 (12): e83383. doi:10.1371/journal.pone.0083383. PMC 3859672Freely accessible. PMID 24349502.