Order Pseudomonadales

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).


Pseudomonadales Orla-Jensen 1921, ordo. (Type order of the class ¤ Gammaproteobacteria Garrity et al. 2005).
Type genus: ¤ Pseudomonas Migula 1894 (Approved Lists 1980).
Etymology: N.L. fem. n. Pseudomonas, type genus of the order; suff. -ales, ending denoting an order; N.L. fem. pl. n. Pseudomonadales, the Pseudomonas order.
Approved Lists reference: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition).
Original publication: ORLA-JENSEN (S.): The main lines of the natural system. Journal of Bacteriology, 1921, 6, 263-273.