(syn. Pogoniulus Ϯ Yellow-rumped Tinkerbird P. bilineatus) Gr. μικρος mikros small; Mod. L. bucco barbet < L. bucca puffed-out cheek (see Bucco); "Micropogonius in the third paragraph of p. 221 is also preoccupied in Pisces and may be re-named MICROBUCCO." (A. Roberts 1924); "Microbucco Roberts, Ann. Transvaal Mus., 10, 1924, p. 86. New name for Micropogonius Roberts, supposedly preoccupied.1 ... 1 Although not so stated, apparently Micropogonias Bonaparte, 1831, Pisces, was the name Dr. Roberts had in mind." (Peters 1948, VI, 45).