SCELIDOTHERIIDAE
LAMBERT M. SURHONE, MARIAM T. TENNOE, SUSAN F. HENSSONOW
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Scelidotheriidae is a family of extinct mammals within the order of Pilosa and suborder Folivora.
This family of ground sloths is related to the other families of extinct ground sloths, being the Megatheriidae, the Mylodontidae, the Nothrotheriidae, and the Orophodontidae.
The only extant families of the suborder Folivora are the Bradypodidae and the Megalonychidae.
Together with the Mylodontidae and the engimatic Pseudoprepotherium, the scelidotheriids form the superfamily Mylodontoidea.
Chubutherium is an ancestral and very plesiomorphic member of this family and does not belong to the main group of closely-related genera.
