(syn. Melanerpes Ϯ Red-bellied Woodpecker M. carolinus) Gr. κεντρον kentron spike; ουρα oura tail; "Centurus, Sw. Gonys angulated, half as long as the under mandible. Lateral ridge about half the length of the culmen, which is gently curved. Sides of the bill compressed. Tarsus shorter than the versatile toe; the anterior rather longer. Plumage, above, black banded with white. (fig. 277.c) C. Carolinensis. Wils. 7. f. 2. brachypterus. Sw. sp. nov." (Swainson 1837); "Centurus Swainson, Classif. Bds., 2, 1837, p. 310. Type, by subsequent designation, C. carolinus (L.) = Picus carolinus Linné (G. R. Gray, List Gen. Bds., 1840, p. 55.)" (Peters 1948, VI, 157). Var. Centrurus.