... record of the aquatic sloth Thalassocnus (Mammalia, Xenarthra, Folivora) in the upper Neogene of the Puna (Jujuy, ... known record of a ground sloth (Mammalia, Xenarthra, Folivora) from Hispaniola: evolutionary and paleobiogeographical implications, Journal of ... Presence of the ground sloth Valgipes bucklandi (Xenarthra, Folivora, Scelidotheriinae) in southern Uruguay during the Late Pleistocene: ...
Tópico(s): Bat Biology and Ecology Studies
1889 - University of Chicago Press | The American Naturalist
Produção Nacional
Revisado por pares
Daniel Casali, Alberto Boscaini, Timothy J. Gaudin, Fernando A. Perini,
... morphological evolution for cranial and postcranial characters in Folivora. The evolution of the morphology in those partitions ...
Tópico(s): Morphological variations and asymmetry
2023 - Wiley | Palaeontology
Produção Nacional
Revisado por pares
Daniel Casali, Alberto Boscaini, Timothy J. Gaudin, Fernando A. Perini,
Abstract Phylogenetic relationships among sloths (Folivora) have been extensively studied in the past few decades using maximum parsimony approaches. Recently, Bayesian phylogenetic methods also began to be ...
Tópico(s): Morphological variations and asymmetry
2022 - Oxford University Press | Zoological Journal of the Linnean Society
Produção Nacional
Revisado por pares
Rodrigo L. Tomassini, Claudia I. Montalvo, Mariana C. Garrone, Laura Domingo, Jorge Ferigolo, Laura Cruz, Dánae Sanz-Pérez, Yolanda Fernández–Jalvo, Ignacio A. Cerda,
... to the giant ground sloth Lestodon armatus (Xenarthra, Folivora), recovered from Playa del Barco site (Pampean Region, ... data on a poorly-known behavior among extinct Folivora.
Tópico(s): Morphological variations and asymmetry
2020 - Nature Portfolio | Scientific Reports
... The orthodentine microstructural build‐up is unique in Folivora and Cingulata. J. Morphol., 2011. © 2011 Wiley‐Liss, ...
Tópico(s): Meat and Animal Product Quality
2011 - Wiley | Journal of Morphology
... New cranio-dental remains of Nothrotheriinae (Mammalia, Xenarthra, Folivora) from the Late Miocene of Central Argentina, Historical ... diversity and chronology of late Neogene sloths (Xenarthra, Folivora) from the Villavil-Quillay Basin, Catamarca, Argentina, Historical ...
Tópico(s): Morphological variations and asymmetry
1889 - University of Chicago Press | The American Naturalist
Ricardo A. Bonini, R. Miño-Boilini Ángel, Diego Brandoni, Sergio M. Georgieff,
Folivora (Mammalia, Xenarthra) constitutes one of the most characteristic groups of mammals of the Cenozoic of South ...
Tópico(s): Animal Ecology and Behavior Studies
2020 - Taylor & Francis | Historical Biology
Susana Bargo, Gerardo De Iullis, Néstor Toledo,
... of these new species were of sloths (Xenarthra, Folivora). In this contribution we report and describe new ...
Tópico(s): Primate Behavior and Ecology
2020 - Asociación Paleontológica Argentina | Publicación Electrónica de la Asociación Paleontológica Argentina
Augusto Racco, Juan C. Fernicola, M. Susana Bargo, Sergio F. Vizcaı́no, Gerardo De Iuliis,
... for the genus, is a basal Megatherioidea (Xenarthra, Folivora) from the Santa Cruz Formation (Early Miocene) of ...
Tópico(s): Animal Ecology and Behavior Studies
2017 - Asociación Paleontológica Argentina | Ameghiniana
Sofía I. Quiñones, Alfredo E. Zurita, Ángel R. Miño‐Boilini, Adriana M. Candela, Carlos A. Luna,
... during most of the Cenozoic. One particular clade, Folivora (living and fossil sloths), includes one of the ...
Tópico(s): Animal Ecology and Behavior Studies
2022 - Taylor & Francis | Journal of Vertebrate Paleontology
Produção Nacional
Revisado por pares
Roberta Veronese do Amaral, João Alves de Oliveira, Luciana Barbosa de Carvalho,
... recent and fossil forms of Cingulata, Vermilingua, and Folivora. Folivora consist of extant and extinct sloths, presenting a ... of these scores also revealed an overlapping between Folivora and Vermilingua representatives and the separation of Cingulata, ...
Tópico(s): Morphological variations and asymmetry
2021 - Taylor & Francis | Historical Biology
Julia V. Tejada‐Lara, Pierre‐Olivier Antoine, Philippe Münch, Guillaume Billet, Lionel Hautier, Frédéric Delsuc, Fabien L. Condamine,
... when dealing with clades such as sloths (Mammalia: Folivora), for which developmental and biomechanical studies have shown ...
Tópico(s): Bat Biology and Ecology Studies
2023 - Oxford University Press | Systematic Biology
Luciano Varela, P. Sebastián Tambusso, Jorge M. Pérez Zerpa, Robert K. McAfee, Richard A. Fariña,
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 more diverse morphologies, including giant terrestrial forms with no clear modern analogs. In this context, several approaches have been implemented in order to explore the ecological adaptations of fossil taxa and, in particular, their dietary preferences. In this work we used 3D Finite Elements Analysis (FEA) coupled ...
Tópico(s): Pleistocene-Era Hominins and Archaeology
2023 - Elsevier BV | Journal of South American Earth Sciences
Luciano Varela, P. Sebastián Tambusso, H. Gregory McDonald, Raúl I. Vezzosi, Richard A. Fariña,
Tópico(s): Primate Behavior and Ecology
2023 - Springer Science+Business Media | Journal of Mammalian Evolution
Timothy J. Gaudin, Alberto Boscaini, Bernardino Mamaní Quispe, Rubén Andrade Flores, Marcos Fernández‐Monescillo, Laurent Marivaux, Pierre‐Olivier Antoine, Philippe Münch, François Pujos,
New remains of a relatively plesiomorphic nothrotheriid sloth have been recovered from upper Miocene-aged deposits near the village of Achiri in the Altiplano of Bolivia. The new specimens appear allied to other middle and late Miocene remains from Argentina and Bolivia that have been assigned to the pseudo-genus 'Xyophorus'. 'Xyophorus' has not previously been recognised as a distinct genus because of the paucity of material it encompasses. The new specimens, however, include a well-preserved squamosal ...
Tópico(s): Primate Behavior and Ecology
2022 - Taylor & Francis | Historical Biology
Ángel R. Miño‐Boilini, Diego Brandoni, Claudia I. Montalvo, Rodrigo L. Tomassini, Daniel Barasoain, Alfredo E. Zurita,
Among extinct sloths, Nothrotheriidae nothrotheriines are characterised by caniniforms (when present) separated by a diastema from the molariform tooth row and quadrangular, rectangular or trapezoidal molariforms with longitudinal grooves on the lingual and labial surfaces. The subfamily Nothrotheriinae is recorded from the Middle Miocene of Bolivia and Argentina to the Pleistocene of different regions of South America, Central America and North America. Neogene well-known representatives include ...
Tópico(s): Primate Behavior and Ecology
2022 - Taylor & Francis | Historical Biology
Carolina Lobato, Luciano Varela, P. Sebastián Tambusso, Ángel R. Miño‐Boilini, Lucía Clavijo, Richard A. Fariña,
Within the subfamily Scelidotheriinae, Valgipes bucklandi represents one of the least known taxa due to its scarce records and material found so far. This Pleistocene ground sloth had been registered only in Brazil, within the Brazilian Intertropical Region (BIR) in the states of Bahia, Minas Gerais, Piauí, Rio Grande do Norte and, more recently, outside the BIR, in Mato Grosso do Sul. A particular feature of this sloth is the proximal and distal fusion of the tibia and fibula in adults. Here, we ...
Tópico(s): Primate Behavior and Ecology
2021 - Elsevier BV | Quaternary International
Pablo Oyarzún‐Ruiz, Samuel A. Pérez-Espinoza, Fernanda González-Saldías, Fabiana Martin, Lucila Moreno,
Tópico(s): Yersinia bacterium, plague, ectoparasites research
2021 - Springer Nature | Archaeological and Anthropological Sciences
Luciano Varela, H. Gregory McDonald, Richard A. Fariña,
Mylodontidae (Mammalia, Xenarthra) is a family of ground sloths widely distributed in the South American fossil record, with members also present in Central and North America. Within the Mylodontidae, Lestodon armatus is the largest species, with an estimated body mass of more than three tonnes. This work focuses on the enlarged lower caniniforms of L. armatus as possibly exaggerated sexually dimorphic structures. Lower caniniforms from the late Pleistocene of Argentina, Uruguay, and Bolivia were ...
Tópico(s): Amphibian and Reptile Biology
2021 - Taylor & Francis | Historical Biology
Produção Nacional
Revisado por pares
Fernando Henrique de Souza Barbosa, Hermínio Ismael de Araújo‐Júnior,
Tópico(s): Bone Metabolism and Diseases
2021 - Elsevier BV | Journal of South American Earth Sciences
Lázaro W. Viñola López, Elson E. Core Suárez, Jorge Vélez‐Juarbe, Juan N. Almonte Milán, Jonathan I. Bloch,
Abstract Sloths were among the most diverse groups of land vertebrates that inhabited the Greater Antilles until their extinction in the middle-late Holocene following the arrival of humans to the islands. Although the fossil record of the group is well known from Quaternary deposits in Cuba, Hispaniola, and Puerto Rico, remains from older units are scarce, limiting our understanding of their evolution and biogeographic history. Here we report the oldest known fossil ground sloth from Hispaniola, ...
Tópico(s): Animal Ecology and Behavior Studies
2021 - Cambridge University Press | Journal of Paleontology
Produção Nacional
Revisado por pares
P. Sebastián Tambusso, Luciano Varela, Flávio Góis, Jorge Felipe Moura, Chiara Villa, Richard A. Fariña,
... far, only two extinct representatives of the suborder Folivora (ground sloths) have been analyzed. In the present ...
Tópico(s): Bat Biology and Ecology Studies
2021 - Elsevier BV | Journal of South American Earth Sciences
Leandro M. Pérez, Néstor Toledo, Florencia Mari, Ignacio Echeverría, Eduardo P. Tonni, Marcelo Javier Toledo,
The Cueva del Milodón (CdM, southern Chile), has been explored repeatedly since the end of the 19th century. Many institutions in the world house specimens from CdM, standing out the mylodontid sloths. Until now, 36 14C measurements were performed on these remains using equivalent methodologies, Gas Proportional Counter (GPC), Liquid Scintillation Counting (LSC) and Accelerator Mass Spectrometry (AMS). The goals of this work are to review published dates, report two new radiocarbon dates made by us, ...
Tópico(s): Geology and Paleoclimatology Research
2020 - Elsevier BV | Quaternary Science Reviews
Ángel Ramón Miño Boilini, Sofía I. Quiñones,
Los perezosos Scelidotheriinae (Mammalia, Xenarthra, Mylodontidae) representan un clado sudamericano que, a pesar de tener una distribución geográfica muy amplia, no participaron del Gran Intercambio Biótico Americano (GIBA). El objetivo de esta contribución es realizar consideraciones taxonómicas, corológicas, estratigráficas y biogeográficas de los Scelidotheriinae del Cenozoico tardío con énfasis en los registros de Argentina. La subfamilia se registra durante Mioceno medio al Holoceno temprano ...
Tópico(s): Animal Ecology and Behavior Studies
2020 - Museo Argentino de Ciencias Naturales Bernardino Rivadavia e Instituto Nacional de Investigación de las Ciencias Naturales | Revista del Museo Argentino de Ciencias Naturales
Produção Nacional
Revisado por pares
Gerardo De Iuliis, Alberto Boscaini, François Pujos, Robert K. McAfee, Cástor Cartelle, Leonard J. S. Tsuji, Lorenzo Rook,
The late Pleistocene mylodontine sloth Glossotherium wegneri (Spillmann, 1931) (Interandean region, Ecuador) has been assigned to Glossotherium Owen, 1839 and Oreomylodon Hoffstetter, 1949 (the latter ranked as a subgenus or genus), and synonymized with G. robustum (Owen, 1842). However, the phylogenetic and comparative analyses conducted here, which include previously undescribed remains, strongly suggest specific distinction for G. wegneri and that there is little, if any, support for generic or subgeneric ...
Tópico(s): Primate Behavior and Ecology
2020 - Elsevier BV | Comptes Rendus Palevol
Jeffrey K. Spear, Scott A. Williams,
Abstract We examine how derived functional signal and phylogenetic inheritance interact in the forelimb of tree sloths, to understand the relative contribution of each in the evolution of a novel morphobehavioural suite. Molecular and craniodental data demonstrate that extant tree sloths evolved suspensory behaviours and associated morphologies from a non-suspensory ancestor independently of one another, making them a useful model system. We find that convergence in univariate traits is expressed ...
Tópico(s): Morphological variations and asymmetry
2020 - Oxford University Press | Zoological Journal of the Linnean Society
Timothy J. Gaudin, Susan Tuckniss, Alberto Boscaini, François Pujos, Gerardo De Iullis,
Pronothrotherium typicum is a late Miocene–early Pliocene (Huayquerian–Chapadmalalan SALMA) nothrotheriid sloth known from the Catamarca Province of northwestern Argentina. Pronothrotherium is one of four nothrotheriid genera known from relatively complete skeletal material, but unlike the other three, the osteology of Pronothrotherium has not been formally described. The present study provides the first detailed description and illustration of the cranial anatomy of Pronothrotherium, based largely ...
Tópico(s): Primate Behavior and Ecology
2020 - Asociación Paleontológica Argentina | Publicación Electrónica de la Asociación Paleontológica Argentina
Luciano Varela, P. Sebastián Tambusso, Richard A. Fariña,
The inhibitory cascade (IC) represents a developmental model that explains the evolution of molar relative sizes, originally described in rodents but later validated in several mammalian groups. The IC comprises signalling molecules produced by the first molar buds that inhibit the development of subsequent molars and molecules from surrounding tissues that have opposite effects. Sloths, as xenarthrans, present many peculiarities in their dentition, like tooth and enamel loss, homodonty, and changes ...
Tópico(s): Bat Biology and Ecology Studies
2020 - Národní Muzeum (National Museum, Prague) | Fossil Imprint
Produção Nacional
Revisado por pares
Dilson Vargas-Peixoto, Cícero Schneider Colusso, Átila Augusto Stock Da‐Rosa, Leonardo Kerber,
Mylododontidae (Xenarthra: Folivora) includes ground sloths of medium to large size. Lestodon armatus is a mylodontid that have been found in ...
Tópico(s): Amphibian and Reptile Biology
2019 - Taylor & Francis | Historical Biology
Samantha Presslee, Graham J. Slater, François Pujos, Analía M. Forasiepi, Román Fischer, Kelly R. Molloy, Meaghan Mackie, Jesper V. Olsen, Alejandro Kramarz, Matías L. Taglioretti, Fernando Scaglia, Maximiliano J. Lezcano, José Luis Lanata, John Southon, Robert S. Feranec, Jonathan I. Bloch, Adam Hajduk, Fabiana Martin, Rodolfo Salas‐Gismondi, Marcelo Reguero, Christian de Muizon, Alex D. Greenwood, Brian T. Chait, Kirsty Penkman, Matthew J. Collins, R. D. E. MacPhee,
... and Bradypus are the only remaining members of Folivora, a major xenarthran radiation that occupied a wide ...
Tópico(s): Genomics and Phylogenetic Studies
2019 - Nature Portfolio | Nature Ecology & Evolution