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)
................................偶蹄目 (目)
....................................牛科 (科)
........................................野牛屬 (屬)
|||............................................美洲野牛 (種)
|||............................................歐洲野牛 (種)
|||........................................瞪羚屬 (屬)
........................................綿羊屬 (屬)
............................................<依性別或年齡區分之綿羊>
|||........................................羚羊
|||........................................水牛
........................................山羊屬 (屬)
|||............................................高地山羊
........................................cattle
|||............................................公牛 (閹牛)
....................................駱駝科 (科)
........................................駱駝屬 (屬)
........................................羊駝屬 (屬)
........................................小羊駝屬 (屬)