The strain of each species and GenBank/EMBL/DDBJ accession numbers for rpoB gene sequences are shown as follows; V. atypica ATCC 17744T (EF185159), V. caviae ATCC 33540T (EF185163), V. criceti ATCC 17747T, V. denticariosi ATCC JCM 15641T (EF185162), V. dispar ATCC 17748T (EF185161), V. magna lac18T (GU479075), V. montpellierensis ADV 281.99T (EF411194), V. parvula ATCC 10790T (EF185158), V. ratti ATCC 17746T (EF185165), V. rodentium ATCC 17743T (EF185166), V. rogosae JCM 15642T (EF211831), V. seminalis strain 08/01/13-B-2228 (KJ580479), V. tobetsuensis ATCC BAA-2400T (AB698646), T; Type strain. Bootstrap values are indicated at corresponding nodes. Bar, 0.05 substitutions per site.