Valbro : un nouveau site à vertébrés de l’Oligocène inférieur (MP22) de France (Quercy). I – Contexte géologique ; Mammalia : Rodentia, Hyaenodontida, Carnivora

Peigné, Stéphane; Vianey‐Liaud, Monique; Pélissié, Thierry; Sigé, Bernard

doi:10.1016/j.annpal.2013.11.002

Cited by 14 publications

(4 citation statements)

References 27 publications

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“…Freudenthal (2004) placed G. garouillensis Vianey-Liaud, 1994 with doubt in Schizogliravus (= Butseloglis). Peigné et al (2014) noted that some specimens of that species show the same tendency to form a ridge lingually of the protocone. Therefore G. garouillensis may well belong to Gliravus.…”

Section: Systematic Palaeontologymentioning

confidence: 93%

Gliridae from the late Oligocene of the province of Teruel (Spain)

Freudenthal

Martín-Suárez

2020

Spanish J. Palaeontol.

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The Calatayud-Teruel Basin is one of the richest areas of Spain, when fossil mammals are concerned. Around the village of Montalbán many lower Oligocene fossil mammal localities are known and several upper Oligocene localities with rich micromammal faunas are present between the villages of Vivel del Río Martín and Martín del Río. Previous papers on these upper Oligocene localities were dedicated to the Cricetidae and to the zapodid Plesiosminthus, in this work we describe the fauna of Gliridae, composed of the genera Gliravus, Butseloglis, Peridyromys, Microdyromys, and Paraglis. Among these the latter genus is very poorly represented. Microdyromys is of special importance because its presence in our material permits a new concept of the phylogeny of the genus.

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Section: Systematic Palaeontologymentioning

confidence: 93%

Gliridae from the late Oligocene of the province of Teruel (Spain)

Freudenthal

Martín-Suárez

2020

Spanish J. Palaeontol.

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“…. Known stratigraphical extension of the rodents identified in Santpedor-2, after Vianey-Liaud (1994), Freudenthal (1996), Hooker et al (2004), Vianey-Liaud and Schmid (2009), Peigné et al (2014), and Vianey-Liaud and Marivaux (2017). Dotted lines indicate the extended ranges of some taxa after the identification of the rodents from Santpedor-2 (MP21 or MP22).…”

Section: Discussionmentioning

confidence: 99%

The rodents from Santpedor-2 (Ebro Basin, NE Spain) confirm the Oligocene age of the latest primates from the Paleogene of Europe

Vianey‐Liaud

Minwer‐Barakat

Marivaux

2019

Geobios

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Paleontologia Miquel Crusafont, ICP) and the Universidad de Barcelona decided to resume the study of this locality. On the one hand, they revisited the macromammal remains first reported by Masachs et al. (1954), noting that the material was so scarce that it could not be determined at the specific level and did not allow for a precise dating of the locality. Therefore, according to Arbiol and Sá ez (1988), the faunal list of the classical site of Santpedor consisted of Paleotherium sp., Plagiolophus sp. and Anoplotheriidae indet. On the other hand, these teams returned and prospected the area in order to find levels with micromammal remains. Agustí et al. (1987) and Arbiol and Sá ez (1988) described a rodent-bearing site that they called Santpedor-2, placed 350 m east from the classical locality of Santpedor, and situated in the same stratigraphic level (Fig.

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“…Time ranges are illustrated by black rectangles and are based on Flynn (1998), Hunt (1998 a , b ), Munthe (1998), Rothwell (2001, 2003), Peigné (2003), Solé (2013, 2014), Peigné et al . (2014) and Tomiya & Tseng (2016). Abbreviation : S., sulcus.…”

Section: Discussionmentioning

confidence: 99%

Digital endocasts from two late Eocene carnivores shed light on the evolution of the brain at the origin of Carnivora

Flink

Werdelin

2022

Papers in Palaeontology

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The evolution of the brain at the origin of Carnivora remains poorly understood, largely owing to the limited number of cranial endocasts known from Carnivoramorpha and basal crown Carnivora. Here, we use x‐ray computed tomography to create digital endocasts of two early carnivores, Quercygale angustidens and Gustafsonia cognita. Quercygale angustidens is generally regarded as the sister taxon to Carnivora and Nimravidae and is thus of great interest to further our understanding of the evolutionary changes that occurred at the origin of Carnivora. Gustafsonia cognita provides a comparison to a contemporary crown carnivoran. We describe the endocasts of these two taxa, placing them in the context of carnivoramorphan phylogeny. Both endocasts preserve the cerebellum in great detail, resulting in a better understanding of the morphology of this part of the brain in early carnivores. Gustafsonia cognita, despite its small size, geological age and basal position, displays a sulcal pattern typical of Amphicyonidae, reaffirming its position within the family. Nimravids; and early carnivorans, such as Gustafsonia cognita, Proailurus lemanensis and Hesperocyon gregarius, have more expanded neocortices than Quercygale angustidens. Current evidence suggests that the increase in gyrification in basal Carnivoramorpha occurred mainly through elongation of existing sulci and entered a new phase at the origin of crown Carnivora. Additional sulci appeared in early members of the order, resulting in distinctive sulcal patterns in the different carnivoran families. Nevertheless, more endocasts of basal carnivorans and carnivoramorphans are needed to better understand the processes driving the evolution of the brain in this group.

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Valbro : un nouveau site à vertébrés de l’Oligocène inférieur (MP22) de France (Quercy). I – Contexte géologique ; Mammalia : Rodentia, Hyaenodontida, Carnivora

Cited by 14 publications

References 27 publications

Gliridae from the late Oligocene of the province of Teruel (Spain)

Gliridae from the late Oligocene of the province of Teruel (Spain)

The rodents from Santpedor-2 (Ebro Basin, NE Spain) confirm the Oligocene age of the latest primates from the Paleogene of Europe

Digital endocasts from two late Eocene carnivores shed light on the evolution of the brain at the origin of Carnivora

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