Key to genera of Canidae in Korea

1 Black cheeks conspicuously contrasting with color of pelage; short ears do not reach eyes................... Nyctereutes

- Cheeks not black; ears reach eyes........................................................................ 2

2 Head-body length> 800 mm; shoulder height> 450 mm ....................................................... 3

- Head-body length <800 mm; shoulder height <450 mm; ears pointed; tail length almost thrice foot length........... Ƒulpes

3 Reddish dorsal color with white ventral pelage; 6 upper and lower cheek teeth.................................. Cuon

- Grayish brown dorsal color; 7 lower cheek teeth......................................................... Canis