avibacterium endocarditidis avibacterium endocarditidis avibacterium endocarditidis is a bacterium from the genus of avibacterium which has been isolated from a chicken with valvular endocarditis in denmark. avibacterium endocarditidis scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pasteurellales family: pasteurellaceae genus: avibacterium species: a. endocarditidis binomial name avibacterium endocarditidisbisgaard et al. 2007 type strain 20186h4h1, ccug 52860, dsm 18224