Brucella abortus (Schmidt, 1901) Meyer & Shaw, 1920
Brucella canis Carmichael & Bruner, 1968
Brucella ceti
Brucella inopinata
Brucella microti
Brucella neotomae Stoenner & Lackman, 1957
Brucella ovis Buddle, 1956
Brucella suis Huddleson, 1929
Brucella vulpis