Synonyms for Artiodactyl (same or very similar meaning)
WordNet sense 1 (placental mammal having hooves with an even number of functional toes on each foot):
even-toed ungulate, artiodactyl mammalWordNet sense 2 (of or relating to or belonging to mammals of the order Artiodactyla):
artiodactylous, even-toedFrom the ODE community, based on WordNetadd/edit