The most familiar of the modern marsupials, the kangaroos and wallabies, are included in the family Macropodidae.
name: Procoptodon time: Pleistocene locality: Australia size: 10 ft/3 m long
Extinct kangaroos tended to be larger than modern forms, and had some different features. Procoptodon was the largest of these, and was distinctive because of the short face and the fact that each hindfoot had only a single long, functional toe (the fourth), with mere nailless stumps on either side.
Procoptodon was a grazing kangaroo, which fed on grass and low vegetation, like most modern forms. Other extinct kangaroos were browsers, using their great height to reach up into trees.
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