While exceptional for an intense diversification of lineages, the evolutionary history of the
order Rodentia comprises only a limited number of morphological morphotypes for the …

Over the past century, the Santa Cruz Formation of coastal Argentina (late Early Miocene)
has yielded a remarkable collection of platyrrhine primates. With few notable exceptions …

The euphractine Macroeuphractus outesi, from the late Pliocene Chapadmalalan SALMA of
Buenos Aires Province, Argentina, is one of the largest dasypodids known. Its skull …

The analysis of the hyoid apparatus of fossil xenarthrans provides insight on the form of the
tongue and its function in food intake and intraoral processing. The hyoid apparatus of …

ABSTRACT A cladistic investigation of the phylogenetic relationships among 21 extinct and
extant genera of sloths (Mammalia, Xenarthra, Tardigrada) was performed on the basis of …

The aquatic sloth Thalassocnus is represented by five species that lived along the coast of
Peru from the late Miocene through the late Pliocene. A detailed comparison of the cranial …

The mylodontid ground sloths (Xenarthra, Tardigrada) are among the most intriguing
components of the Lujanian (Late Pleistocene-Early Holocene) fauna of the Pampean …

Abstract The Xenarthra, particularly the Tardigrada, are with the Notoungulata and
Marsupialia among the most diversified South American mammals. Lujanian South …

Pseudoglyptodon sallaensis, new genus and species, represented by a partial mandible
from the Deseadan Salla Beds of Bolivia, is a sloth of uncertain affinities. The trilobate cross …

Three orders of South American extinct native ungulates are recorded from the Santa Cruz
Formation along the Atlantic coast of Patagonia: Notoungulata (Adinotherium Ameghino …