These seven species belong to the genus
Brachygnathus: •
Brachygnathus angusticollis (Burmeister, 1885) (Argentina, Brazil, and Paraguay) •
Brachygnathus fervidus (Burmeister, 1885) (Argentina) •
Brachygnathus festivus (Dejean, 1830) (Argentina, Brazil, and Paraguay) •
Brachygnathus imperialis (Chaudoir, 1863) (Brazil, Chile, and Paraguay) •
Brachygnathus intermedius Perty, 1830 (Brazil) •
Brachygnathus muticus Perty, 1830 (Argentina, Brazil, and Paraguay) •
Brachygnathus oxygonus Perty, 1830 (Brazil, Chile, and Paraguay) ==References==