藝術與建築詞典根目錄
....代理者層面
........活體有機體
............真核生物 (域)
................動物界 (界)
....................脊索動物門 (門)
........................脊椎動物亞門 (亞門)
............................哺乳綱 (綱)
................................食肉目 (目)
....................................犬科 (科)
........................................犬屬 (屬)
............................................狗 (種)
|||................................................灰狗 (品種)
|||................................................指示犬 (品種，狗)
|||................................................貴賓狗 (品種)
|||................................................哈巴狗 (品種，狗)
|||................................................聖伯納犬 (品種)
|||............................................郊狼 (種)