A window into a late Pleistocene megafauna community: Stable isotopes show niche partitioning among herbivorous taxa at the Arroyo del Vizcaíno site (Uruguay)

L Varela, L Clavijo, PS Tambusso, RA Fariña - Quaternary Science …, 2023 - Elsevier
The analysis of stable isotopes on fossil mammals has become a widely used tool for
understanding the paleoecology and paleodiet of these organisms. In this work, we study …

Rules of teeth development align microevolution with macroevolution in extant and extinct primates

FA Machado, CS Mongle, G Slater, A Penna… - Nature Ecology & …, 2023 - nature.com
Macroevolutionary biologists have classically rejected the notion that higher-level patterns of
divergence arise through microevolutionary processes acting within populations. For …

3D finite element analysis and geometric morphometrics of sloths (Xenarthra, Folivora) mandibles show insights on the dietary specializations of fossil taxa

L Varela, PS Tambusso, JMP Zerpa, RK McAfee… - Journal of South …, 2023 - Elsevier
Sloths are represented today only by two distantly-related small, arboreal, and folivorous
genera. However, the fossil record of the clade is composed of many more taxa, with much …

Sexual dimorphism in the fossil ground sloth Lestodon armatus (Xenarthra, Folivora)

L Varela, HG McDonald, R Fariña - Historical Biology, 2022 - Taylor & Francis
ABSTRACT Mylodontidae (Mammalia, Xenarthra) is a family of ground sloths widely
distributed in the South American fossil record, with members also present in Central and …

Developmental rules of primate dental evolution align microevolution with macroevolution

FA Machado, CS Mongle, G Slater, A Penna… - bioRxiv, 2022 - biorxiv.org
Macroevolutionary biologists have classically rejected the notion that higher level patterns of
divergence arise through microevolutionary processes acting within populations. For …