Concise hierarchy

(Kingdom) Pseudomonadati - (Phylum) Pseudomonadota - (Class) Alphaproteobacteria - (Order) Rickettsiales - (Family) Ehrlichiaceae

Subsequent positions

Aphragmabacteria (Phylum) Margulis and Schwartz 1982 nom. ined.

Ref: L. Margulis & K.V. Schwartz, 1982: 30. [assumed]

Current position

Ehrlichiaceae (Family) Moshkovski 1945 (Approved Lists 1980)

Ref: LPSN, 2020-present: [24 Apr 2026]; LPSN[24 Apr 2026].

Alternative positions

Anaplasmataceae (Family) Philip 1957 (Approved Lists 1980)	Ref: G.M. Garrity et al., 2007: 66.
Rickettsiaceae (Family) Pinkerton 1936 (Approved Lists 1980)	Ref: G.M. Garrity et al., 2001b: 6.
Wolbachieae (Tribe) Philip 1955 (Approved Lists 1980)	Ref: E. Weiss, 1982: 41.

Historical positions

Anaplasmataceae (Family) Philip 1957 (Approved Lists 1980)	Ref: J.P. Euzéby, 2016: [11 Sep 2017]. [available name]
Anaplasmataceae (Family) Philip 1957 (Approved Lists 1980)	Ref: G.M. Garrity et al., 2007: 66.
Rickettsiaceae (Family) Pinkerton 1936 (Approved Lists 1980)	Ref: G.M. Garrity et al., 2001b: 6.
Rickettsiaceae (Family) Pinkerton 1936 (Approved Lists 1980)	Ref: G.M. Garrity & J.G. Holt, 2001a: 157.
Aphragmabacteria (Phylum) Margulis and Schwartz 1982 nom. ined.	Ref: L. Margulis & K.V. Schwartz, 1998: 90. [rough position]
Aphragmabacteria (Phylum) Margulis and Schwartz 1982 nom. ined.	Ref: L. Margulis & K.V. Schwartz, 1982: 30. [rough position]
Wolbachieae (Tribe) Philip 1955 (Approved Lists 1980)	Ref: E. Weiss, 1982: 41.

Number of Subtaxa

2026	Available in Systema Naturae 2000	3s
1989-present	Systema Naturae 2000	[3s]
2007	G.M. Garrity et al.	[3s]