All xenarthrans known to date are characterized by having permanent teeth that are both high crowned and open rooted, i.e., euhypsodont, and with a type of hypsodonty different from that of the rest of Placentalia: dentine ...

The record of Palaeogene cingulate xenarthrans in low latitudes 33 is very poor. 34 In this sense, the cingulate fauna from the Yurúa River near Santa Rosa in eastern Perú is 35 important because it is one of the oldest ...

The most complete and continuous fossil record of armadillos is composed mostly by isolated osteoderms, frequently found in paleontological and archaeological sites that bear continental South American mammals. Their ...

The study of Paleogene mammals of intermediate and low latitudes has increased in the last decades and has been clearly demonstrated their importance in the comprehension of the evolution and faunistic changes outside ...

The subfamily Dasypodinae (including Astegotheriini, Stegotheriini and Dasypodini) constitutes the sister group of the remaining diversity of ‘armadillos’, with an ancient divergence estimated in ca. 40 Ma. (Eocene). ...

Most xenarthrans have a reduced and simplified dentition that lacks enamel. However, the presence of prismatic enamel has been recorded in the Eocene armadillos Utaetus buccatus (Euphractinae) and Astegotherium dichotomus ...