Lièvre et lapin à Regourdou (Montignac-sur-Vézère, Dordogne, France) : études paléontologique et taphonomique de deux accumulations osseuses d’origine naturelle

Pelletier, Maxime; Royer, Aurélien; Holliday, Trenton W.; Maureille, Bruno

doi:10.4000/paleo.2962

Cited by 5 publications

(9 citation statements)

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“…This particularity increases the possibility of discovering its remains in the fossil record and poses questions about the contemporaneity of these remains with other assemblage components (Pelletier et al . 2015 b , 2016, 2017, 2020). Thus, in the case of old excavations and a lack of taphonomic context, our results show that the dental morphology of extinct species can be useful and complementary to taphonomic analyses in order to ensure the integrity of the archaeostratigraphy and the reliability of the studied material, as well as for biostratigraphic purposes.…”

Section: Discussionmentioning

confidence: 99%

“…1996; Callou 2003; Davis & Moreno‐García 2007; Pelletier et al . 2015 a , b ; Pelletier 2018, 2019; Davis 2019), the vast majority of palaeontological works is based on the study of shape variations of the third lower premolar (p3). This tooth is widely used to distinguish leporid species and to reveal their phylogenetic relationships (Petter 1959, 1961; Hibbard 1963; López‐Martínez et al .…”

Section: Figmentioning

confidence: 99%

“…2000; De Marfà & Mein 2007; De Marfà 2008, 2009; Angelone & Rook 2012; Angelone 2013; Pelletier et al . 2015 a , b ; Pelletier 2018, 2019). However, the relevance of these dental criteria could be revised in relation to the data acquired on modern individuals.…”

Section: Figmentioning

confidence: 99%

“…These approaches, now increasingly used in leporids (Patnaik 2002; De Marfà 2009; Pelletier et al . 2015 a , b ; Sawaura et al . 2018; Pelletier 2018, 2019), could then enable the quantification of the variability of rabbit populations from the early Pleistocene and the recognition of how these could be related instead to intrinsic or extrinsic factors.…”

Section: Figmentioning

confidence: 99%

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Morphological diversity, evolution and biogeography of early Pleistocene rabbits (Genus Oryctolagus)

Pelletier

2021

Palaeontology

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The early Pleistocene is the key period for understanding the evolutionary history and palaeobiogeography of rabbits (Genus Oryctolagus). In western Europe, many species were endemic, making them a reliable indicator of the evolution of the terrestrial ecosystems in which many species have evolved. However, the morphological variability of rabbit species is still poorly understood and their phylogeny remains a subject of debate. Through both qualitative (morphological description) and quantitative (linear measurements and two‐dimensional geometric morphometrics) approaches, we address here the morphometric diversity of the third lower premolar (p3), a tooth commonly used to distinguish leporid species, in order to assess intra‐ and inter‐regional morphological variations in several early Pleistocene rabbit populations. Our results suggest that the different approaches are complementary and allow, on different levels, a full characterization of the p3 variability of early Pleistocene rabbits and to imply relations between populations. The size and shape variations of this tooth reflect the taxonomic and phylogenetic signals of the different species but were probably also significantly impacted by geographical position and local climatic conditions. In view of the great morphometric variability highlighted in this work, we suggest a careful reconsideration of certain dental criteria previously considered ‘diagnostic’ in the characterization of these species. However, the overall results allowed us to discuss the phylogeny of the genus Oryctolagus and to hypothesize the ecological requirements and different phases of the dispersal of taxa in western Europe, probably associated with global climate changes.

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Section: Discussionmentioning

confidence: 99%

Section: Figmentioning

confidence: 99%

Section: Figmentioning

confidence: 99%

Section: Figmentioning

confidence: 99%

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Morphological diversity, evolution and biogeography of early Pleistocene rabbits (Genus Oryctolagus)

Pelletier

2021

Palaeontology

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“…A subset of these data was then analysed using the software MorphoJ (Klingenberg, ), and a principal component analysis was carried out including all three groups. A similar method of p3 morphological analysis has been employed in previous studies (e.g., Patnaik, ; De Marfà, ; Pelletier, Cochard, Boudadi‐Maligne, Crochet, & Bourguignon, ; Pelletier, Royer, Holliday, & Maureille, ).…”

Section: Methodsmentioning

confidence: 99%

Late Pleistocene hares of the Japanese archipelago: Paleobiogeographic implication at the Last Glacial Maximum

Sawaura

Sawada

Sato

et al. 2018

Intl J of Osteoarchaeology

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The Tsugaru Strait is often referred to as Blakiston's Line in biogeography. Although this strait is thought to have become narrower during the Last Glacial Maximum, it did not close completely to form a land bridge. Sea‐level drawdown associated with cooling nevertheless weakened the influence of the Tsugaru Strait as a barrier to faunal migration. The currently accepted hypothesis is that only some large and highly mobile ungulates were able to migrate to Honshu over this strait to the exclusion of small mammals. However, this remains problematic as very few fossils corroborate this idea, and quantitative identification methods for use with tiny fragments of teeth have not been developed. In this study, we determine which of the species Lepus timidus (now distributed on Hokkaido and to the north) and Lepus brachyurus (now mainly distributed on Honshu, Shikoku, and Kyushu) can accurately be identified within a sample of Late Pleistocene Lepus sp. fossils recently unearthed from the Shitsukari‐Abe cave to the immediate south of the Tsugaru Strait. This is because we are unable to exclude the possibility that these fossils are referable to L. timidus on the basis of site location alone. Thus, utilising images of mandibular third premolar teeth obtained via microcomputed tomography scanning, we report (a) linear measurements, (b) a survey of the frequency of appearance of nonmetric traits, and (c) principal component analysis using landmark methods. The results show that fossil representatives of the genus Lepus can be differentiated from extant L. timidus and closely resemble L. brachyurus. Considering the past allopatric distribution of the 2 species suggested by other studies as well as fossil records around the Tsugaru Strait, this result corroborates the existing hypothesis that only large and highly mobile ungulates were able to navigate the Tsugaru Strait.

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Importance des données de terrain pour la compréhension d’un potentiel dépôt funéraire moustérien : le cas du squelette de Regourdou 1 (Montignac-sur-Vézère, Dordogne, France)

Maureille¹,

Holliday²,

Royer³

et al. 2015

paleo

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PALEO est mis à disposition selon les termes de la licence Creative Commons Attribution -Pas d'Utilisation Commerciale -Pas de Modification 4.0 International.Bruno MAUREILLE (a) , Trenton HOLLIDAY (b) , Aurélien ROYER (c) , Maxime PELLETIER (d) , Stéphane MADELAINE (e,a) , François LACRAMPE-CUYAUBÈRE (f,g) , Xavier MUTH (g) , Erwan LE GUEUT (h) , Christine COUTURE-VESCHAMBRE (a) , Asier GÓMEZ-OLIVENCIA (i) , Emmanuel DISCAMPS (j,a) , Jean-Pierre TEXIER (a) , Alain TURQ (e,a) , Christelle LAHAYE (k) Résumé : Excepté dans les travaux de E. Bonifay (pour l'un des plus récents, voir Bonifay et al. 2007) et dans différentes contributions qui ont repris ces derniers (p. ex. Binant 1991 ; Defleur 1993 ; Maureille et Vandermeersch 2007 ; Pettitt 2011 voir aussi l'analyse plus critique de May 1986), la position in situ des restes humains de Regourdou 1, provenant de la couche 4 du site n'a jamais été discutée ni sur la base de l'opération de sauvetage réalisée en octobre 1957 (opération dirigée par E. Bonifay et G. Laplace-Jauretche, sous l'autorité administrative de F. Bordes), ni suite aux fouilles programmées dirigées par E. Bonifay entre 1961 et 1964.Après une synthèse des informations disponibles contenues dans de nombreux documents inédits (minutes de terrain de François Bordes, dessins réalisés lors de l'opération de sauvetage, photographies réalisées en 1957 puis en 1961 et 1962, base de données des fouilles 1961-1964) et d'un nouvel inventaire des restes humains (connus et nouvellement découverts), les ossements de Regourdou 1 ont pu être en majorité repositionnés au sein d'un système orthonormé. Ces nouveaux documents permettent de supposer que la concentration de vestiges mis au jour lors de l'opération de sauvetage se situait dans le carré G2 du carroyage des fouilles débutées en 1961.

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Lièvre et lapin à Regourdou (Montignac-sur-Vézère, Dordogne, France) : études paléontologique et taphonomique de deux accumulations osseuses d’origine naturelle

Cited by 5 publications

References 43 publications

Morphological diversity, evolution and biogeography of early Pleistocene rabbits (Genus Oryctolagus)

Morphological diversity, evolution and biogeography of early Pleistocene rabbits (Genus Oryctolagus)

Late Pleistocene hares of the Japanese archipelago: Paleobiogeographic implication at the Last Glacial Maximum

Importance des données de terrain pour la compréhension d’un potentiel dépôt funéraire moustérien : le cas du squelette de Regourdou 1 (Montignac-sur-Vézère, Dordogne, France)

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