1) Bacteria family 2) Family chlamydiaceae 
Chlamydophila The Chlamydiaceae are a family of bacteria that belongs to the phylum Chlamydiae, order Chlamydiales. All Chlamydiaceae species are Gram-negative and express the family-specific lipopolysaccharide epitope αKdo-(2→8)-αKdo-(2→4)-αKdo (previously called the genus-specific epitope). Chlamydiaceae ribosomal RNA genes all have at le...
A family of gram-negative, coccoid microorganisms containing the genus chlamydia. ... (12 Dec 1998) ... 
(klә-mid″e-a´se-e) a family of bacteria containing a single genus, Chlamydia.
Type: Term Pronunciation: kla-mid′ē-ā′sē-ē Definitions: 1. A family of the order Chlamydiales (formerly included in the order Rickettsiales) that includes the agents of the psittacosis-lymphogranuloma-trachoma group. The family contains small, coccoid, gram-negative bacteria that resemble rickettsiae but that differ ...
[n] - gram-negative parasites in warm-blooded vertebrates
family Chlamydiaceae noun Gram-negative parasites in warm-blooded vertebrates