Class Bacteria

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".


Bacteria Haeckel 1894, classis.
Type order: not given.
Etymology: L. n. bacterium, staff, rod and, in biology, a bacterium (so called because the first ones observed were rod-shaped); L. neut. pl. n. Bacteria, baceria, the class of bacteria.
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: HAECKEL (E.H.): Systematische Phylogenie der Protisten und Planzen, I.G. Reimer, Berlin, 1894, p. 40.

Note: According to Rules 15, 22 and 27(3), the class Bacteria is illegitimate because it was proposed without the designation of a nomenclatural type.
Reference: EUZÉBY (J.P.) and TINDALL (B.J.): Nomenclatural type of orders: corrections necessary according to Rules 15 and 21a of the Bacteriological Code (1990 Revision) and designation of appropriate nomenclatural types of classes and subclasses. Request for an Opinion. Int. J. Syst. Evol. Microbiol. 2001, 51, 725-727.
Original article in IJSEM Online