. "Though related to the giant Megatherium, Hapalops was much smaller, measuring about 1 metre (3.3 ft) in length. Like most extinct sloths it is categorized as a ground sloth, but it is believed that the smaller size of Hapalops allowed it to engage in some climbing behaviors."@en . "Hapalops"@en . . . . . "Though related to the giant Megatherium, Hapalops was much smaller, measuring about 1 metre (3.3 ft) in length. Like most extinct sloths it is categorized as a ground sloth, but it is believed that the smaller size of Hapalops allowed it to engage in some climbing behaviors."@en .