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 - List of orders and suborders included in the class - Warning: see also the file "Classification of prokaryotes: Introduction".
Alphabacteria Cavalier-Smith 2002, class. nov.
Type order: ¤ Rickettsiales Gieszczykiewicz 1939 (Approved Lists 1980).
Etymology: Gr. alpha, the letter a; N.L. masc. n. bacter, a small rod; suff. -ia, ending to denote a class; N.L. neut. pl. n. Alphabacteria, name proposed to formalize the earlier informal designation as α-proteobacteria.
Reference: CAVALIER-SMITH (T.): The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int. J. Syst. Evol. Microbiol., 2002, 52, 7-76.
Original article in IJSEM Online
Note: Alphabacteria was previously known as "Alphabacteria" Cavalier-Smith 1992.