偶蹄动物
But exactly where hippos sit on the artiodactyl family tree has proved devilishly difficult to discern. 河马也属于偶蹄目，这点专家并无异议，但是牠们到底位在偶蹄动物演化树的哪个分支点上，一直都很难定论。
Abstract: Foot-and-mouth disease (short for FMD), which is caused by foot-and-mouth disease virus (short for FMDV), is a zoonosis in artiodactyl. 口蹄疫是由口蹄疫病毒引起的主要侵害偶蹄类动物的一种人兽共患传染病。
STIPULATIONS ON SUSPENDING TO IMPORT ARTIODACTYL AND ITS PRODUCTS FROM ISRAEL, BRAZIL, MALAYSIA, KYRGYZSTAN AND ALGERIA 关于禁止从以色列、巴西、马来西亚、吉尔吉斯斯坦和阿尔及利亚进口偶蹄动物及其产品的规定
STIPULATIONS ON SUSPENDING TO IMPORT ARTIODACTYL AND ITS PRODUCTS FROM REPUBLIC OF KAZAKHSTAN 关于禁止从哈萨克斯坦共和国进口偶蹄动物及其产品的规定
Analysis on Variability and Phylogenetic Relationship of Artiodactyl Prion Protein Genens 偶蹄动物朊蛋白基因变异性和其系统发生关系分析
