Search Results - "Guillaume Billet"

Evolutionary adaptation to aquatic lifestyle in extinct sloths can lead to systemic alteration of bone structure by Amson, Eli, Billet, Guillaume, de Muizon, Christian

“…Through phenotypic plasticity, bones can change in structure and morphology, in response to physiological and biomechanical influences over the course of…”
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Morphological diversity of the bony labyrinth (inner ear) in extant xenarthrans and its relation to phylogeny by Billet, Guillaume, Hautier, Lionel, Lebrun, Renaud

“…We present a survey of the morphological diversity of the bony labyrinth of the inner ear in Xenarthra, including the fossil ground sloth Megatherium. Using a…”
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Interspecific variation in the limb long bones among modern rhinoceroses-extent and drivers by Mallet, Christophe, Cornette, Raphaël, Billet, Guillaume, Houssaye, Alexandra

“…Among amniotes, numerous lineages are subject to an evolutionary trend toward body mass and size increases. Large terrestrial species may face important…”
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High morphological variation of vestibular system accompanies slow and infrequent locomotion in three-toed sloths by Billet, Guillaume, Hautier, Lionel, Asher, Robert J., Schwarz, Cathrin, Crumpton, Nick, Martin, Thomas, Ruf, Irina

“…The semicircular canals (SCs), part of the vestibular apparatus of the inner ear, are directly involved in the detection of angular motion of the head for…”
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A mitogenomic timetree for Darwin’s enigmatic South American mammal Macrauchenia patachonica by Westbury, Michael, Baleka, Sina, Barlow, Axel, Hartmann, Stefanie, Paijmans, Johanna L.A., Kramarz, Alejandro, Forasiepi, Analía M, Bond, Mariano, Gelfo, Javier N., Reguero, Marcelo A., López-Mendoza, Patricio, Taglioretti, Matias, Scaglia, Fernando, Rinderknecht, Andrés, Jones, Washington, Mena, Francisco, Billet, Guillaume, de Muizon, Christian, Aguilar, José Luis, MacPhee, Ross D.E., Hofreiter, Michael

“…The unusual mix of morphological traits displayed by extinct South American native ungulates (SANUs) confounded both Charles Darwin, who first discovered them,…”
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The hidden teeth of sloths: evolutionary vestiges and the development of a simplified dentition by Hautier, Lionel, Gomes Rodrigues, Helder, Billet, Guillaume, Asher, Robert J.

“…Xenarthrans are unique among mammals in retaining simplified teeth that are rootless and homodont, which makes it difficult to determine dental homologies. We…”
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Late middle Miocene caviomorph rodents from Tarapoto, Peruvian Amazonia by Boivin, Myriam, Marivaux, Laurent, Aguirre-Diaz, Walter, Benites-Palomino, Aldo, Billet, Guillaume, Pujos, François, Salas-Gismondi, Rodolfo, Stutz, Narla S, Tejada-Lara, Julia V, Varas-Malca, Rafael M, Walton, Anne H, Antoine, Pierre-Olivier

“…Miocene deposits of South America have yielded several species-rich assemblages of caviomorph rodents. They are mostly situated at high and mid- latitudes of…”
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Evolutionary and Functional Implications of Incisor Enamel Microstructure Diversity in Notoungulata (Placentalia, Mammalia) by Filippo, Andréa, Kalthoff, Daniela C., Billet, Guillaume, Gomes Rodrigues, Helder

“…Notoungulates are an extinct clade of South American mammals, comprising a large diversity of body sizes and skeletal morphologies, and including taxa with…”
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The hidden anatomy of paranasal sinuses reveals biogeographically distinct morphotypes in the nine-banded armadillo ( Dasypus novemcinctus ) by Billet, Guillaume, Hautier, Lionel, de Thoisy, Benoit, Delsuc, Frédéric

“…With their Pan-American distribution, long-nosed armadillos (genus ) constitute an understudied model for Neotropical biogeography. This genus currently…”
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Beyond the carapace: skull shape variation and morphological systematics of long-nosed armadillos (genus Dasypus ) by Hautier, Lionel, Billet, Guillaume, de Thoisy, Benoit, Delsuc, Frédéric

“…The systematics of long-nosed armadillos (genus ) has been mainly based on a handful of external morphological characters and classical measurements. Here, we…”
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Ontogenetic variations and structural adjustments in mammals evolving prolonged to continuous dental growth by Gomes Rodrigues, Helder, Lefebvre, Rémi, Fernández-Monescillo, Marcos, Mamani Quispe, Bernardino, Billet, Guillaume

“…Studying dental ontogeny in mammals can provide valuable insight on the evolution of their masticatory apparatus and their related adaptations. The multiple…”
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Differential influences of allometry, phylogeny and environment on the rostral shape diversity of extinct South American notoungulates by Gomes Rodrigues, Helder, Cornette, Raphaël, Clavel, Julien, Cassini, Guillermo, Bhullar, Bhart-Anjan S. , Fernández-Monescillo, Marcos, Moreno, Karen, Herrel, Anthony, Billet, Guillaume

“…Understanding the mechanisms responsible for phenotypic diversification, and the associated underlying constraints and ecological factors represents a central…”
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Phylogeny of the Notoungulata (Mammalia) based on cranial and dental characters by Billet, Guillaume

“…The Notoungulata is the richest order of South American endemic placentals, but phylogenetic relationships within this order are unclear. This work provides…”
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Serial Homology and Correlated Characters in Morphological Phylogenetics: Modeling the Evolution of Dental Crests in Placentals by Billet, Guillaume, Bardin, Jérémie

“…Accurate modeling of the complexity of morphological evolution is crucial for morphological phylogenetics and for performing tests on a wide variety of…”
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Segmental Series and Size: Clade-Wide Investigation of Molar Proportions Reveals a Major Evolutionary Allometry in the Dentition of Placental Mammals by Billet, Guillaume, Bardin, Jérémie

“…Abstract Iterative segments such as teeth or limbs are a widespread characteristic of living organisms. While their proportions may be governed by similar…”
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New Observations on the Skull of Pyrotherium (Pyrotheria, Mammalia) and New Phylogenetic Hypotheses on South American Ungulates by Billet, Guillaume

“…The Cenozoic South American endemic pyrotheres, mostly characterized by a bilophodont dentition, are one of the most mysterious ungulates ever known. Even…”
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Petrosal and bony labyrinth morphology of the stem paenungulate mammal (Paenungulatomorpha) Ocepeia daouiensis from the Paleocene of Morocco by Gheerbrant, Emmanuel, Schmitt, Arnaud, Billet, Guillaume

“…Based on high‐resolution computed tomography, we describe in detail the petrosal and inner ear anatomy of one of the few known African stem paenungulates…”
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Long bone shape variation in the forelimb of Rhinocerotoidea: relation with size, body mass and body proportions by Mallet, Christophe, Houssaye, Alexandra, Cornette, Raphaël, Billet, Guillaume

“…Abstract In quadrupeds, limb bones are strongly affected by functional constraints linked to weight support, but few studies have addressed the complementary…”
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A first glimpse at the influence of body mass in the morphological integration of the limb long bones: an investigation in modern rhinoceroses by Mallet, Christophe, Billet, Guillaume, Houssaye, Alexandra, Cornette, Raphaël

“…The appendicular skeleton of tetrapods is a particularly integrated structure due to the shared developmental origin or similar functional constraints exerted…”
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Ontogenetic and life history trait changes associated with convergent ecological specializations in extinct ungulate mammals by Rodrigues, Helder Gomes, Herrel, Anthony, Billet, Guillaume

“…Investigating life history traits in mammals is crucial to understand their survival in changing environments. However, these parameters are hard to estimate…”
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