Ursus americanus |
[ Opisthokonta | Metazoa | Eumetazoa | . . .
. . . | Caniformia | Ursidae | Ursus ]
|
|
Ursus americanus |
[ Opisthokonta | Metazoa | Eumetazoa | . . .
. . . | Caniformia | Ursidae | Ursus ]
|
|