Muizon, Christian de A new early species of the aquatic sloth Thalassocnus, Mammalia, Xenarthra from the late miocene of Peru <2 exemplaires> bibliogr. p. 893-894 Subjects--Topical Terms: Faune mamifèreXenarthraMiocène sup Subjects--Index Terms: Pérou Arequipa Caravelí Formation Pisco