1. Noun form
An extensive group of mammals including all those that have hoofs. It comprises the Artiodactyla and Perissodactyla.
2. Noun
in former classifications a major division of Mammalia comprising all hoofed mammals; now divided into the orders Perissodactyla (odd-toed ungulates) and Artiodactyla (even-toed ungulates)
Vocabulary classified under Biology
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