Reconstruction of of Megatherium americanum （Courtesy of Gabriel Ugueto ） Age Quaternary（Chibanian-Greenlandian） 0.4-0.008 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Pilosa Family: Megatheriidae Genus: Megatherium Species: Megatherium americanum Morphological description Megatherium americanum , the giant ground sloth of the Americas, represents one of the largest members of the order Pilosa, with an estimated body mass of approximately 4 tonnes and

Reconstruction of Glossotherium robustum （Image source：Emőke Dénes， CC BY-SA 4.0 ） Age Quaternary（Late Pleistocene） 0.129-0.0117 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Pilosa Family: Mylodontidae Subfamily: Mylodontinae Genus: Glossotherium Species: Glossotherium robustum Morphological description The anterior portion of the maxilla in Glossotherium robustum is broad, producing an approximately triangular outline. The palate is likewise wide i