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Order Xanthomonadales

Warning: In the List of Prokaryotic names with Standing in Nomenclature, an arrow () only indicates the sequence of valid publication of names and does not mean that the last name in the sequence must be used (see: Introduction).

Classification (Warning: see also the file "Classification of prokaryotes: Introduction").

For a detailed description of this taxon see Bergey’s Manual of Systematics of Archaea and Bacteria (BMSAB).


Xanthomonadales Saddler and Bradbury 2005, ord. nov.
Type genus: ¤ Xanthomonas Dowson 1939 (Approved Lists 1980).
Etymology: N.L. fem. n. Xanthomonas -adis, type genus of the order; suff. -ales, ending to denote order; N.L. fem. pl. n. Xanthomonadales, the Xanthomonas order.
Valid publication: Validation List no. 106. Int. J. Syst. Evol. Microbiol., 2005, 55, 2235-2238.
Effective publication: SADDLER (G.S.) and BRADBURY (J.F.): Order III. Xanthomonadales ord. nov. In: D.J. BRENNER, N.R. KRIEG, J.T. STALEY and G. M. GARRITY (editors), Bergey's Manual of Systematic Bacteriology, second edition, vol. 2 (The Proteobacteria), part B (The Gammaproteobacteria), Springer, New York, 2005, p. 63.
Validation List no. 106 in IJSEM Online

Note: According to Rule 51b (1), the order name Xanthomonadales Saddler and Bradbury 2005 is illegitimate because it contains the genus ¤ Lysobacter Christensen and Cook 1978 (Approved Lists 1980) which is the type of the order ¤ Lysobacterales Christensen and Cook 1978, (Approved Lists 1980). See also Tindall (2014).

Reference: TINDALL, B. J. 2014. The family name Solimonadaceae Losey et al. 2013 is illegitimate, proposals to create the names 'Sinobacter soli' comb. nov. and 'Sinobacter variicoloris' contravene the Code, the family name Xanthomonadaceae Saddler and Bradbury 2005 and the order name Xanthomonadales Saddler and Bradbury 2005 are illegitimate and notes on the application of the family names Solibacteraceae Zhou et al. 2008, Nevskiaceae Henrici and Johnson 1935 (Approved Lists 1980) and Lysobacteraceae Christensen and Cook 1978 (Approved Lists 1980) and order name Lysobacteriales Christensen and Cook 1978 (Approved Lists 1980) with respect to the classification of the corresponding type genera Solibacter Zhou et al. 2008, Nevskia Famintzin 1892 (Approved Lists 1980) and Lysobacter Christensen and Cook 1978 (Approved Lists 1980) and importance of accurately expressing the link between a taxonomic name, its authors and the corresponding description/circumscription/emendation. Int. J. Syst. Evol. Microbiol., 64, 293-297.
Original article in IJSEM Online