Print ISSN: 0031-0247
Online ISSN: 2274-0333
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A new stem hystricognathous rodent from the Eocene of Tunisia
Palaeotis weigelti restudied
Paleocene Palaeocarcharodon from Maryland
New Gargantuavis specimens from the Late Cretaceous of France
Macroscelidea, Insectivora and Chiroptera from the Miocene of east Africa
Eocene (57) , Quercy phosphorites (37) , Systematics (32) , Rodents (29) , Mammalia (26)
A pangolin (Manidae, Pholidota, Mammalia) from the French Quercy phosphorites (Pech du Fraysse, Saint-Projet, Tarn-et-Garonne, late Oligocene, MP 28)Jean-Yves Crochet, Lionel Hautier and Thomas LehmannKeywords: Oligocene; Pangolin; Pech du Fraysse; Quercy phosphoritesdoi: 10.18563/pv.39.2.e4 Abstract Pangolins have never shown a high taxic diversity and their fossil record is scarce. We report here the first discovery of a partial humerus from late Oligocene deposits in Pech du Fraysse (MP28, France). The new specimen from Pech du Fraysse is described and compared to various extant and extinct species of pangolins. It shows a suite of morphological features very similar to the humeri discovered in Saint-André (MP 26), Solnhofen (Burdigalien), and Saulcet (Aquitanian), attributed here to Necromanis franconica. The description of the specimen from Pech du Fraysse allowed us to discuss the systematics of Paleogene and Neogene pholidotans. The differences between PFY 4051 and N. franconica on the one side, and N. quercyi on the other side, might be sufficiently important to justify a generic distinction. A comparison with extant species showed that N. franconica was likely terrestrial and fossorial based on its humeral morphology. Related dataset Article infos Published in Vol.39-2 (2015) |
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Un nouveau genre de ?Palaeotheriidae (Perissodactyla, Mammalia) décelé dans les phosphorites du Quercy (Eocène supérieur ou Oligocène) d'après un arrière crâne sans dents.Jean-Albert RemyKeywords: endocranial cast; Epitympanic sinus; Palaeotheriidae; Paleogene; Quercy phosphorites; skull anatomyAbstract A rear skull from the Quercy Phosphorites is described. It documents a new perissodactyl genus, likely assignable to the family Palaeotheriidae and probably paleogene of age. Owing to the lack of any tooth, this family assignment remains however somewhat hypothetical. The specimen is firstly characterised by the presence of a wide epitympanic sinus swelling and hollowing the squamosal shell and the post-glenoid process. This cavity might make up a peculiar pattern of improvement for the hearing apparatus by carrying out a kind of drum near the middle ear, whereas the bony tympanic remains barely bulged and forms but a few developed auditory bulla. This pattern appears an outcome of a trend observed with many palaeotheriids, such as Plagiolophus. Furthermore, the endocranial cast shows a rather high degree of gyrencephaly for a paleogene mammal. The prominent lambdoidal crest points out a powerful nape musculature and a lowered head bearing. Consequently, it is assumed that such an animal was probably living in somewhat open places, at the expense of rather tough vegetables. It might have been accordingly provided with a semi-hypsodont, cement covered, "plagiolophoid" dentition. Article infos Published in Vol. 28, Fasc. 1 (1999) |
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Les gangas (Aves, Columbiformes, Pteroclidae) du Paléocène et du Miocène inférieur de France.Cécile Mourer-ChauviréKeywords: Birds; evolution; Lower Miocene; New taxa; Oligocene; Paleoecology; Paulhiac; Quercy phosphorites; Saint-Gérand-Ie-Puy; Sandgrouse; Upper EoceneAbstract The two species of Sandgrouse from Quercy, Pterocles validus MILNE-EDWARDS and P. larvatus MILNE-EDWARDS, are ascribed to the genus Archaeoganga MOURER-CI-IAUVIRÉ which includes a third, very large species, A. pinguis. The sandgrouse of Saint-Gérand-le-Puy, Pterocles sepultus MILNE-EDWARDS, is ascribed to a new genus, Lepzoganga. This form appears in the Upper Oligocene of Quercy, in Pech Desse and Pech du Fraysse localities, and is still present in the Lower Miocene of Saint-Gérand-le-Puy and Paulhiac. Recent sandgrouse live in semidesert or desert areas. The indications provided by mammal and bird faunas in the localities where sandgrouse were found, confirm that the paleoenvironment was open and arid. The morphological study of these fossils indicates that, in the Upper Eocene, the Pteroclidae were already completely individualized with respect to Charadriiformes. Article infos Published in Vol. 22, Fasc. 2-3 (1993) |
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Cryptomerix Schlosser, 1886, Tragulidé de l'oligocène d'Europe ; relations du genre et considérations sur l'origine des ruminants.Jean SudreKeywords: Archaic Ruminants; Paleobiogeography; Quercy phosphorites; Systematics; TragulidsAbstract The genus Cryptomeryx SCHLOSSER, 1886, inusited during a long period, has been discovered in Lower and Middle Oligocene localities of the Quercy region (South-West France). This new material, as well as specimens from the old collections referred to Cryptomeryx, are described; their study, allows us precising the definition of the genus, and confirming its allocation to the Tragulidae family. The type species of the genus, Crypmmeryx gaudryi (= Lophiomeryx gaudryi FILHOL, 1877), occurs in several localities at the base of the Middle Oligocene (Itardies, La Plante 2, Roqueprune 2, Soulce, Herrlingen 1). The new species C. matsoui n. sp. has been defined in the older locality of Mas de Got (top of Lower Oligocene). It is possible that the species Pseudamphimeryx decedens STEHLIN, 1910 pertains to the same genus. Also to the Tragulids must be referred the monospecific genus Iberomeryx (I. parvus GABOUNIA, 1964) from Upper Oligocene of Benara (Georgie, URSS), with which Cryptomeryx is related. These genera are not direct ancestors of Miocene tragulids; their occurrence in the Western European Oligocene results from a first immigration wawe of the family. These Tragulids are one of the most archaic groups of Ruminants. They are probably derived from a primitive stock which had acquired in Asia the selenodont condition of the dentition. Article infos Published in Vol. 14, Fasc. 1 (1984) |
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Les Gruiformes (Aves) des phosphorites du Quercy (France). 1. sous-ordre cariamae (Cariamidae et Phorusrhacidae), systématique et biostratigraphie.Cécile Mourer-ChauviréKeywords: Aves; Biostratigraphy; Birds; Cariamae; gruiformes; Quercy phosphorites; SystematicsAbstract The revision of the old collections of fossil birds from the “Phosphorites du Quercy” and the study of new material give the following results (Gruiformes, Cariamae) : The humeri and most of the carpometacarpi described under the name Filholornis belong in Elaphrocnemus. The ulnae ascribed to Fïlholornis belong in Idiornis. Most of the post-cranial elements of the genera Elaphrocnemus and Idiornis are described and show great similarities with recent Cariamidae and Opisthocomidae, and fossil Bathornithinae. A new genus and a new species, Oblitavis insolitus, are created in the sub-family Idiornithinae; two new species are described in the genera Elaphrocnemus (E. brodkorbz) and Idiornis (I. itardiensis), and the species Elaphrocnemus gracilis is transferred to the genus Idiornis. The genus Propelargus Lydekker is transferred from the family Ciconiidae to Cariamidae. A new generic name, Occitaniavis, is created for the species Geranopsis elatus, which belong in Cariamidae, while the type-species of the genus, Geranopsis hastingsiae, is a member of the Gruidae. The affinities between the Quercy avifauna and the Neotropical one is emphasized by the occurrence of Phorusrhacidae, previously known only from the Cenozoic of South America and the Late Pliocene or Early Pleistocene of North America. Thanks to the material collected during the new excavations, the stratigraphical position of most of the species is stated precisely, and evolutionary lineages are outlined. This study shows that the suborder Cariamae, presently restricted to two South American genera, was already extremely diversified during the Eocene, and widespread in Europe and North America. Article infos Published in Vol. 13, Fasc. 4 (1983) |
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Les Dipodidae (Mammalia, Rodentia) d'Europe occidentale au Paléogène et au Néogène inférieur: origine et évolution.Marguerite Hugueney and Monique Vianey-LiaudKeywords: Dipodidae; Late Oligocene; Quercy phosphoritesAbstract The study of three new populations of Plesiosminthuspromyarion from the "phosphorites du Quercy" and of material from "Auvergne" brings new data on european oligocene Dipodidae. They appear in Western Europe at the beginning of late Oligocene. Evolutionary trends of the group are drawn and particularly the emergence of morphotypes announcing P. schaubi, from the Coderet level, is revealed among the most recent populations of P. promyarion. Differences are attempted to be drawn between the three species : P. promyarion, P. myarion and P. schaubi by restudying the type-population of P. myarion from the aquitanian deposits of Chavroches (Allier) in comparison with two other populations from the same age and the same region. Relationships between early european, american and asiatic Dipodidae are discussed. Article infos Published in Vol. 9, Ext (1980) |
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La poche à phosphate de Ste-Néboule (Lot) et sa faune de vertebres du Ludien supérieur. 10 - Paléothérides (Perissodactyles).Jean-Albert RemyKeywords: Eocene; Quercy phosphoritesAbstract La poche à phosphorite de Sainte-Néboule (Lot) a livré au cours des récentes campagnes de fouilles effectuées dans le cadre de la Rep 311 une douzaine de dents ou fragments de dents de paléothéridés à rapporter à 3 taxons. Article infos Published in Vol. 08, Fasc. 2-4 (1978) |
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La poche à phosphate de Ste-Néboule (Lot) et sa faune de vertébres du Ludien supérieur. 4- CrocodiliensEric BuffetautKeywords: Eocene; Quercy phosphoritesAbstract Crocodilians are represented in the Upper Eocene of Sainte·Néboule (Lot) by an isolated parietal and a dorsal scute, bath from young individuals. They are refferred to Diplocynodon sp. Predators (mammals and birds) are probably responsible for the occurrence of remains of small crocodilians (belonging to the genera Allognathosuchus and Diplocynodon) in the phosphorltes of Quercy. Article infos Published in Vol. 08, Fasc. 2-4 (1978) |
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La Poche à phosphate de Ste-Neboule (Lot) et sa faune de vertébres du Ludien Supérieur. 3- ChéloniensFrance de BroinKeywords: Eocene; Quercy phosphoritesAbstract The few remains recently collected at Ste Néboule (upper Eocene) belong to three genera: the Testudinid Ergilemys, of which it is the oldest occurence in Western Europa, probably Palaeochelys and an unpublished genus, which is peculiar to the Phosphorites du Quercy. Some statements are made on the chelonian fauna as a whole in that région. After the study of some characters proper to the genus Ergilemys, some remarks are made concerning its antecedents and descendants. Article infos Published in Vol. 08, Fasc. 2-4 (1978) |
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La poche à phosphate de Ste-Néboule (Lot) et sa faune de vertébres du Ludien Supérieur. 2- Amphibiens. Etude PreliminaireJean-Claude Rage and Colette Vergnaud-GrazziniKeywords: Eocene; Quercy phosphoritesAbstract The Caudata are known by two Salamandridae ; one of them is attributed to the genus Megalotriton. The Pelobatidae form the major part of the Anura ; a few bones indicate also the presence of Neobatrachia. Article infos Published in Vol. 08, Fasc. 2-4 (1978) |
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La poche à Phosphate de Ste-Néboule (Lot) et sa faune de vertébres du Ludien supérieur. 5-SquamatesJean-Claude RageKeywords: Eocene; Quercy phosphoritesAbstract The Squamates from Sainte-Néboule are charateristic of the Upper Eocene from the Phosphorites du Quercy. Most genera known from this locality do not survive the « Grande Coupure ». Cadurcoboa insolita gen. nov., sp. nov. is a small Boidae very characteristic of the Upper Eocene. Article infos Published in Vol. 08, Fasc. 2-4 (1978) |
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La poche à Phosphate de Ste-Néboule (Lot) et sa faune de vertebres du Ludien supérieur. 6- OiseauxCécile Mourer-ChauviréKeywords: Eocene; Quercy phosphoritesAbstract There are very few birds in the site of Sainte-Néboule. They belong to three species already known in the "Phosphorites" : Paraortyx brancoi, Aegialornis broweri, Cypselavus gallicus, and to one new species, Recurvirostra santaeneboulae. The comparison of some different bones of the genus Cypselavus with some Apodiformes and Caprimulgiformes shows that this genus must be classified in the order Apodiformes. Article infos Published in Vol. 08, Fasc. 2-4 (1978) |
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La poche à phosphate de Ste-Néboule (Lot) et sa faune de vertebres du Ludien supérieur. 7- Didelphides (Marsupiaux)Jean-Yves CrochetKeywords: Eocene; Quercy phosphoritesAbstract The family Didelphidae is represented by three species in the Sainte-Néboule site, phosphorites of Quercy (lower Oligocene, San Cugat's nivel): Amphiperatherium minutum (Aymard), Amphiperatherium sp. and Peratherium cuvieri (Fischer). Only the first and third species are abundant (88 and 97 pieces). This two populations are described. The marsupial fauna of the european lower Oligocene is not recognized in its entirety in this site. Article infos Published in Vol. 08, Fasc. 2-4 (1978) |
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La poche à phosphate de Ste-Néboule (Lot) et sa faune de vertebres du Ludien supérieur. 8- Insectivores et Chiroptères.Bernard SigéKeywords: Eocene; Quercy phosphoritesAbstract The small insectivorous placental mammals from Ste-Néboule are poorly varied. Two orders of insectivores are documented : the Proteutheria by Pseudorhyncocyon cayluxi (leptictids), the Lipotyphla by Saturninia gracilis and S. beata (nyctitheriids). The bats are only rhinolophoids and mostly hipposiderids. Sufficient populations allow us to restrict the original definitions of three previous species (Hipposideros schlosseri, Palaeophyllophora quercyi, P. oltina). From now, these species can be regarded as monophyletíc. Article infos Published in Vol. 08, Fasc. 2-4 (1978) |
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La poche à phosphate de Ste-Néboule (Lot) et sa faune de vertebres du Ludien supérieur. 9- Primates et ArtiodactylesJean SudreKeywords: Eocene; Quercy phosphoritesAbstract La faune d'artiodactyles de Ste-Néboule, qui comprend neuf espèces, présente de nombreux Article infos Published in Vol. 08, Fasc. 2-4 (1978) |
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La poche à phosphate de Ste-Néboule (Lot) et sa faune de vertebres du Ludien supérieur. 12- Fissipèdes (Carnivores)Louis de BonisKeywords: Carnivora; Eocene; Quercy phosphoritesAbstract Les Carnivores Fissipèdes de Sainte-Néboule appartiennent tous au genre Cynodictis et semblent constituer une population homogène. Celle-ci se distingue suffisamment des espèces déjà décrites pour constituer un taxon particulier : Cynodictis lacustris neboulensis n. s. sp. . L'étude des variations à l'intérieur de cette population nous a conduit à reconsidérer les critères utilisés pour définir les espèces existantes et à regrouper certaines d'entre elles. Il semble qu'il demeure cependant trois lignées distinctes dans le genre Cynodictis mais le matériel nous paraît encore insuffisant pour traduire cette remarque en termes de systématique. Article infos Published in Vol. 08, Fasc. 2-4 (1978) |
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La poche à phosphate de Sainte-Néboule (Lot) et sa faune de vertébrés du Ludien supérieur. 13-RongeursJean-Louis Hartenberger and Monique Vianey-LiaudKeywords: Eocene; Quercy phosphoritesAbstract Sainte-Néboule has yielded only 4 species of Rodents. But the Theridomyids (Blainvillimys rotundidens and Patriotheridomys altus) are very significative of the age of the locality: Ste-Néboule is lower than the marker level of Escamps Article infos Published in Vol. 08, Fasc. 2-4 (1978) |
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La poche à phosphate de Ste-Néboule (Lot) et sa faune de vertebres du Ludien superieur. 14 - Conclusions généralesJean-Louis HartenbergerKeywords: Eocene; Quercy phosphoritesAbstract Le matériel provenant de nouvelles fouilles dans les phosphorites du Quercy, soumis aux divers spécialistes, a conduit à la soutenance de plusieurs thèses d'état: sur les rongeurs (Hartenberger, Vianey-Liaud), les Chiroptères et Insectivores (Sigé), les Artiodactyles (Sudre), les Squamates (Rage) et, en partie, les Chéloniens (De Broin). Chacun dans son domaine, à côté des conclusions d'ordre évolutif, paléogéographique ou paléoécologique, a pu établir des successions stratigraphiques des gisements du Quercy qui se sont révélées largement concordantes. Ainsi la succession des faunes du Quercy est actuellement l'une des mieux établies. Dans ce contexte, les différents spécialistes ont décidé de conjuguer leurs efforts dans l'étude monographique de plusieurs gisements repérés le long de cette échelle, afin de rassembler l'information paléontologique sur des faunes bien précises et de tenter d'obtenir des indications d'ordre taphonomique. Article infos Published in Vol. 08, Fasc. 2-4 (1978) |
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La poche à phosphate de Ste-Néboule (Lot) et sa faune de vertebres du Ludien supérieur. 11- CréodontesBrigitte Lange-BadréKeywords: Creodonta; Eocene; Quercy phosphoritesAbstract The teeth and the astragale of the Creodonta from Ste-Néboule (Lot) are referred to Hyaenodon brachyrhynchus. Isolated teeth fit morphologically the material from La Débruge (Middle Ludian). However, biometric analysis suggests an Upper Ludian age. Article infos Published in Vol. 08, Fasc. 2-4 (1978) |
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La poche à phosphate de Ste-Néboule (Lot) et sa faune de vertébres du Ludien Supérieur. IntroductionBernard Gèze, Jean-Claude Rage, Colette Vergnaud-Grazzini, France de Broin, Eric Buffetaut, Cécile Mourer-Chauviré, Jean-Yves Crochet, Bernard Sigé, Jean Sudre, Jean-Albert Remy, Brigitte Lange-Badré, Louis de Bonis, Jean-Louis Hartenberger and Monique Vianey-LiaudKeywords: Eocene; Quercy phosphoritesAbstract Le Quercy est aujourd 'hui un vaste plateau calcaire, parcouru par un réseau karstique actif, profondément View editorial Published in Vol. 08, Fasc. 2-4 (1978) |
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La poche à phosphate de Ste-Neboule (Lot) et sa faune de vertébres du Ludien Supérieur. 1 La poche et son remplissageBernard GèzeKeywords: Eocene; Quercy phosphoritesAbstract La poche de Ste-Néboule, commune de Béduer (Lot), 15 km environ à l'WSW de Figeac, fait partie du groupe le plus septentrional des gouffres creusés par les ruissellements du Paléogène dans les calcaires jurassiques de la bordure sud-ouest du Massif Central et qui furent comblés à la même époque par des argiles sidérolithiques accompagnées de phosphate de chaux concrétionné ainsi que des restes de la célèbre faune dite «des phosphorites du Quercy» . Article infos Published in Vol. 08, Fasc. 2-4 (1978) |
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Essai de reconstitution d'un paysage du Quercy vers -35 Ma. (Esquisse de Christian Pondeville, 1977).Monique Vianey-Liaud and Christian PondevilleKeywords: Landscape reconstruction; Quercy phosphoritesAbstract Le Quercy est aujourd'hui un vaste plateau calcaire, parcouru par un réseau karstique actif, pro· fondément entaillé par des vallées aux falaises abruptes, comme celles du Lot ou du Célé. Sur un sol peu épais domine la forêt de chênes, accompagnés de cornouillers, érables, genévriers. La faune est pauvre, peu diverse, et les nombreux chasseurs se satisfont de gibier d'élevage ... View editorial Published in Vol. 08, Fasc. 2-4 (1978) |
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Les serpents des phosphorites du QuercyJean-Claude RageKeywords: Grande Coupure; Quercy phosphorites; SerpentsAbstract A short review of the genera and species of snakes from the Quercy's phosphorites described by former authors is followed by the study of specimens recently collected. Most of these latter specimens belong to the Aniliidae, Boidae, Colubridae and to the Scolecophidia; the precise systematic position of some of them is not defined yet. The following genera and species are described: Eonilius europae nov. gen. and nov. sp., Platyspondylia lepta nov. gen. and nov. sp., Coluber cadurci nov. sp. and Dunnophis cadurcensis nov. sp.; a species described by de Rochebrune (Palaeopython filholi) is revised. One of the most important conclusions of this study is that the Colubridae appear as early as the Upper Eocene. The stratigraphic repartition of these snakes shows that the rich Upper Eocene fauna is followed by the very reduced fauna of the Lower Oligocene; then the oligocene «Grande Coupure» corresponds to a very important faunistic renewal. The fauna remains poor and little diversified during the beginning of the Middle Oligocene after which there is a new faunistic explosion. Article infos Published in Vol. 06, Fasc. 3-4 (1975) |
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La plus ancienne faune de mammifères du Quercy : Le BretouJean-Louis Hartenberger, Bernard Sigé and Jean SudreKeywords: Le Bretou; Quercy phosphoritesAbstract Abstract not available Article infos Published in Vol. 06, Fasc. 3-4 (1975) |
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Observations sur des remaniements structuraux post-mortem dans des dents de mammifères fossiles provenant des phosphorites du QuercyJean-Albert RemyKeywords: Quercy phosphorites; rearrangements; TeethAbstract Deux types de remaniements post mortem me paraissent caractéristiques de l'état de conservation des dents de mammifères fossiles dans les Phosphorites du Quercy : Article infos Published in Vol. 06, Fasc. 3-4 (1975) |
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Les rongeurs de l'Oligocène inférieur d'EscampsMonique Vianey-LiaudKeywords: Escamps; Quercy phosphorites; Rodents; TheridomyidaeAbstract La faune de Rongeurs d'Escamps (Lot) bien que relativement pauvre en espèces (dix) s'avère riche d'enseignement pour les Rongeurs de l'Oligocène inférieur d'Europe Occidentale. Cette periode semble caracterisée par une cladogenèse des Théridomyines. A Escamps, un nouveau genre (Patriotheridomys) est décrit ainsi qu'une nouvelle espèce de Theridomys. Avec Oltmamys platyceps, décrit ici plus complètement et désormais bien situé stratigraphiquement, les deux espèces précédentes constituent un ensemble original du Sud de la France. A la même époque, en Angleterre, Allemagne et Espagne, des espèces «régionales» de Théridomyinés se dersifient. A côté de ces formes qui ne semblent pas franchir la «Grande Coupure» sont représentées deux lignées d'Issiodoromyinés (Elfomys sp et Pseudoltmomys cuvieri), une de Théridomyiné (T. (Blainvillimys) rotundidens) ainsi qu'un Gliridé, Gliravus priscus (que l'on différencie nettement de la deuxième lignée des Gliravus oligocènes : G. meridionalis -> G. majori). On retrouve ces formes dans les gisements plus récents du niveau de Hoogbutsel où elles sont à peine plus évoluées. Le fait que les degrés évolutifs de ces lignées soient très proches laisse supposer que le laps de temps séparant les niveaux d'Ecamps et Hoogbutsel fut relativement court. Article infos Published in Vol. 06, Fasc. 3-4 (1975) |
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La région des phosphorites du QuercyA. CavailléKeywords: Quercy phosphoritesAbstract L'exploitation des phosphates s'est produite surtout de 1890 à 1914 de Saint-Antonin à Cajarc, sur le Causse de Limogne, dont l'histoire géologique et morphologique peut expliquer les conditions de gisement du minerai, et aussi la découverte des nombreux, variés et beaux fossiles qu'on a extrait des poches en même temps que la phosphorite. Le Causse de Limogne est le nom donné par les géographes au plateau calcaire, faisant partie des Causses du Quercy, et compris entre la vallée du Lot au Nord et celle de "Aveyron au Sud". En fait, le nom de "causse" désigne localement un terroir, un paysage, à sous-sol de calcaire, à sol peu épais, qui s'oppose aux sols argileux des « terreforts » et aux sols légers et profonds des "boulbènes". Chaque communauté agricole distinguait ainsi son causse, par exemple le causse de Caylus, le causse de Limogne ou le causse de Cajarc. C'est par extension que l'appellation Causse de Limogne désigne tout un petit pays. La présence des poches à phosphate déborde un peu vers le Nord la vallée du Lot, et vers l'Est le Causse de Limogne proprement dit (Causse de Villeneuve). Article infos Published in Vol. 06, Fasc. 1-2 (1974) |
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Table ronde sur les phosphorites du Quercy Montauban 15-16 Décembre 1972Louis Thaler and Jean-Louis HartenbergerKeywords: Quercy phosphoritesAbstract Voici une centaine d'années débutait sur les Causses du Quercy l'exploitation des phosphorites qui devait permettre d'amasser des collections de Vertébrés fossiles uniques au monde. Ces fossiles firent l'objet de nombreuses publications et les noms de Filhol, Gaudry, Schlosser, Stehlin, Teilhard de Chardin sont attachés à ces premières études. Article infos Published in Vol. 06, Fasc. 1-2 (1974) |
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Les Tayassuidés des phosphorites du QuercyLéonard GinsburgKeywords: Quercy phosphorites; TayassuidaeAbstract Revision of the Tayassuidae from the old collections of the Quercy leads to interesting facts about taxonomic and phylogenetic problems. It could not have been well done without constant comparison with contemporaneous Tayassuidae from stratified series, as well as with European Miocene Tayassuidae and Hyotheriinae. The result is that only three species are present in the Phosphorites of Quercy: Doliochoerus quercyi FiLHOL (represented by two sub-species: the older, D. quercyi quercyi and the more recent, D. quercyi aquensis), Palaeochoerus gergorianus CROIZET et BLAINVILLE and Palaeochoerus purillus nov. sp. The two former species disappeared with Stampian time, while the third is the direct ancestor of the Aquitanian Palaeochoerus typus POMEL, which became extinct before the beginning of Burdigalian. Article infos Published in Vol. 06, Fasc. 1-2 (1974) |
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Les insectivores des phosphorites du QuercyJean-Yves CrochetKeywords: Insectivores; Quercy phosphoritesAbstract Many types of insectivores have been described from specimens found in the Quercy phosphorites. These remains very often were not dated because they came from old collections. Recent excavations have permitted the situation of Amphidozotherium cayluxi FILHOL in the late Eocene. Two new genera are descrlbed based on material both from the old collections (Cryplotopos nov. g.) and from that recently recovered (Darbonetus nov. g., beginning of the middle Oligocene). Their systematic positions are revised and comparisons with American faunas are made. Amphidozotherium is not a talpid, but an erinaceoid belonging to an indeterminate family. Saturninia gracilis STHELIN is classified among the Nyctitheriinae, Myxomygale antiqua FILHOL among the Urotrichini Talpinae, and the genus Geotypus POMEL among the Scaptonichini Talpinae. A new study of the talpids from Auvergne has been rendered necessary. During the late Eocene and Oligocene precise morphology relationships existed between certain insectivores of Europe and North America. Article infos Published in Vol. 06, Fasc. 1-2 (1974) |
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Les Entélodontes des phosphorites du quercyMichel BrunetKeywords: Entelodontes; Quercy phosphoritesAbstract The entelodonts of the Quercy phosphorites are essentially known from isolated teeth. The skull remains attributed to Entelodon magnum by Kowalewsky in 1876 and the type left mandible of Enteladon depereti RÉPELIN, 1918 do not belong to this family. From a morphologic point of view, the teeth from Quercy are quite comparable to those from the type localities of E. magnum and E. deguilhemi. In the absence of distinctive anatomical criteria between E. magnum (small species from the level of Ronzon) and E. deguilhemi (large species from the level of Villebramar) they are referred, according to their size, to one or the other of these two species. However, some of them are intermediate in size. Their existence speaks in favor of a close relationship between E. magnum and E. deguilhemi and confers a real stratigraphic interest to these entelodonts of Western Europe. Finally, some anatomical characters (notch on the mesial border of P4, presence of a paraconid joined to the metaconid, trigonid higher than talonid) considered until now as peculiar to the North American Archaeotherium and not yet cited in its European contemporary Entelodon have been brought to light on the teeth from Quercy. Article infos Published in Vol. 06, Fasc. 1-2 (1974) |
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Pseudorhyncocyon cayluxi Filhol, 1892 insectivore géant des phosphorites du QuercyBernard SigéKeywords: Insectivores; Leptictidae; Quercy phosphoritesAbstract Une hémimandibule et une molaire supérieure recueillies dans le gisement oligocène inférieur d'Escamps (phosphorites du Quercy) fournissent de nouvelles informations sur le genre Pseudorhyncocyon FllHOL, grand insectivore longirostre du Paléogène d'Europe, fossile très mal connu jusqu'ici. Des comparaisons avec les macroscélididés africains, géolabididés nord-américains, et leptictidés euraméricains permettent de rattacher cet amimal aux leptictidés, et de le rapprocher du genre Lepticidium TOBIEN, au sein de la sous-famille européenne nouvelle des pseudorhyncocyoninés. Article infos Published in Vol. 06, Fasc. 1-2 (1974) |
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D'important restes de Diplobune minor FILHOL à Itardies (Quercy)Jean SudreKeywords: Diplobune; Quercy phosphoritesAbstract Abstract not available Article infos Published in Vol. 06, Fasc. 1-2 (1974) |
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Sur le remplissage des "poches à phosphorite" d'Aubrelong (commune de Bach, Lot)Bernard GèzeKeywords: Aubrelong; Quercy phosphoritesAbstract Abstract not available Article infos Published in Vol. 06, Fasc. 1-2 (1974) |
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Etude du crâne de Pachynolophus lavocati n. sp. (Perissodactyla, Palaeotheriidae) des Phosphorites du QuercyJean-Albert RemyKeywords: Perissodactyla; Quercy phosphoritesdoi: 10.18563/pv.5.2.45-78 Abstract The genus Pachynolophus, one of the poorest known of the Palaeotheriidae, includes the brachyodont forms with reduced and non-molariform premolars and with upper molars lacking a mesostyle. Quantitative characters (divers surface indications and elongation of the teeth), while demonstrating a close relationship to Hyracotherium, permit a better differentiation of the genus, confirm its specific splitting, and permit the distinction of three lineages. The skull from Memerlein is taken as the type of a new species, P. Iavocati, of which the dentition is extremely characterized by its lophiodonty, the strong reduction of the premolars and the reduction of the cingula. This characterization testifies to a late age which extends the existence of the genus quite near to the Eocene-Oligocene limit. Compared with the only two skulls known of related species (Hyracotheríum vulpiceps and Pachynolophus Iivinierensis), that from Memerlein is distinguished by progressive characters affecting diferent regions but most particularly the braincase; it is not possible, however, to isolate within this evolution the part which leads to a systematic differentiation. Modernization is translated by a considerable increase in size of the braincase, principally in the frontal region, a development of the facial region with anterior displacement of the dental series and a greater specialization of the masticatory apparatus. This evolution parallels the history of the Equidae of the North American early Tertiary, but certain particularities, the form of the alisphenoid, the presence of an anterior frontal foramen, and the structure of the paroccipital apophysis, testifies to the independance of the European forms. Article infos Published in Vol. 05, Fasc. 2 (1972) |
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Rongeurs de l'Oligocène moyen provenant de nouvelles fouilles dans les phosphorites du QuercyMonique Vianey-LiaudKeywords: Oligocene; Quercy phosphorites; Rodents; Theridomysdoi: 10.18563/pv.2.5.209-239 Abstract A recent campaign of excavations (1965-68) undertaken by the Laboratoire de Paléontologie of Montpellier in pockets of the Quercy phosphorites, has permitted the dating of several localities thanks to the analysis of their micromammalian fauna. Article infos Published in Vol. 02, Fasc. 5 (1969) |
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