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Page 7 of 19, showing 20 record(s) out of 366 total

Dortokid turtle remains from the Upper Cretaceous of Cruzy (Hérault, southern France) and phylogenetic implications
Haiyan Tong, Eric Buffetaut Logo and Julien Claude Logo
Published online: 14/11/2022

Keywords: Cruzy; Dortoka vasconica; France; Late Cretaceous; Turtle

https://doi.org/10.18563/pv.45.2.e3

  Abstract

    An isolated right costal 1 from the Late Cretaceous Massecaps locality (Cruzy, Hérault, southern France) is assigned to Dortoka vasconica (Dortokidae). This find adds a new element to the Late Cretaceous turtle fauna of Cruzy and further supports the hypothesis that two distinct lineages of Dortokidae were present in Europe during the Late Cretaceous-Paleogene due to geographical isolation.
      


  PV article infos

Published in 45-2 (2022)

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Eocene Teleostean Otoliths, Including a New Taxon, from the Clinchfield Formation (Bartonian) in Georgia, USA, with Biostratigraphic, Biogeographic,
and Paleoecologic Implications
 
Gary Stringer Logo, Dennis . Parmley and Ashley Quinn
Published online: 03/01/2022

Keywords: climate; Congridae; Ophidiidae; Sciaenidae; tectonics

https://doi.org/10.18563/pv.45.1.e1

  Abstract

    Investigations of the Clinchfield Formation (middle Eocene, upper Bartonian) exposed at the Hardie Mine (Wilkinson County, Georgia, USA), produced 4,768 actinopterygian otoliths representing 14 taxa and increased the number of bony fishes threefold from the site. The somewhat limited richness was characterized by bonefishes, mud eels, conger eels, sea catfishes, cusk-eels, snooks, grunts, drums and croakers, and porgies. The assemblage had a relatively even distribution with Ophidiidae, Congridae, and Sciaenidae most common. Included in the otolith taxa was a new sciaenid genus and species, Eosciaena ebersolei, with unknown relationships to other Sciaenidae. The Clinchfield otoliths were compared to other middle and late Eocene in age otolith assemblages in Alabama, Mississippi, and Louisiana utilizing percentage similarity measurements. Analysis indicated that the Clinchfield otoliths were not greatly similar or greatly unlike the Moodys Branch and Yazoo Clay otolith assemblages. However, the Clinchfield showed little relationship to the slightly older Lisbon Formation in adjacent Alabama and is postulated to be related to global climatic and plate tectonic events. Biostratigraphically, the Clinchfield otolith taxa are essentially the same as the other formations except for the Lisbon, which has at least ten unique species. Abundances of Clinchfield otolith taxa indicate a possible sub-bioprovince in the eastern Gulf Coastal Plain. The Clinchfield otoliths indicate a tropical to perhaps subtropical, soft substrate, mainly normal marine to slightly reduced salinities, inner shelf (0–20 m) paleoenvironment with indications of proximal continental coastlines. This investigation represents an initial step in addressing the immensely understudied Paleogene otolith assemblages in Georgia.
      


  PV article infos

Published in 45-1 (2022)

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 La poche à phosphate de Ste-Néboule (Lot) et sa faune de vertebres du Ludien supérieur. 9- Primates et Artiodactyles
Jean Sudre
Published online: 25/09/1978

Keywords: Eocene; Quercy Phosphorites

https://doi.org/10.18563/pv.8.2-4.269-290

  Abstract

    La faune d'artiodactyles de Ste-Néboule, qui comprend neuf espèces, présente de nombreux
    points communs avec les faunes habituellement rattachées au Ludien supérieur, telles celles de La Débruge ou de Montmartre. A l'inverse de ces localités, on ne connaît pourtant, à Ste-Néboule, ni Oxacronae, ni Anoplotheriinae. Parmi les espèces du gisement se trouve une nouvelle espèce du genre Mouillacitherium (M. schlosseri n. sp.), cette forme devant être interprétée comme le dernier représentant du rameau. Nous faisons connaître par ailleurs la presque totalité de la denture du Dacrytherium saturninii, espèce qui était à ce jour très imparfaitement documentée. Ste-Néboule est, d'autre part, la seule localité où l'on peut signaler l'association probable de deux lignées du genre Amphimeryx. Les primates sont peu diversifiés à Ste-Néboule, puisque le groupe est limité au seul genre Adapis. Les genres Microchoerus et Pseudoloris, que l'on sait pourtant être représentés dans des gisements dâge voisin (Microchoerus ornatus à San Cugat de Gavadons et Mormont-Entreroches, Pseudoloris reguanti à San Cugat de Gavadons, Pseudoloris cf. reguanti à Neustadt ; cf. Louis et Sudre 1975) sont absents dans les faunes du Quercy de cette période. 


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Published in Vol. 08, Fasc. 2-4 (1978)

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Les rongeurs du Miocène moyen et supérieur du Maghreb
Jean-Jacques Jaeger Logo
Published online: 15/05/1977

Keywords: Neogene; North Africa; Rodentia

https://doi.org/10.18563/pv.8..1.1-166

  Abstract

         The Faunas of Rodents from seven north-african fossiliferous beds distributed from the Middle up to the Uppest Miocene are studied. One genus, seventeen species, one subspecies described are new.
           A detailed description is given of the evolution of the numerous specific lines, systematic groups and communities. The evidence of the strong endemism of the North African faunas of that time compared with those of Europe as well as of Tropical Africa is clearly shown. Special relationships with Asia clearly also appear, mostly in the Middle Miocene and the beginning of the Upper Miocene.
           Using the specific lines with a biostratigraphic purpose gives the opportunity to establish a biochronological scale for the continental formations of the Maghreb. This scale is calibrated by a few absolute datations. These datations, as well as the stratigraphical study of several fossiliferous localities have given the possibility to establish precise correlations with the corresponding scales of Europe and of Tropical Africa, as well as with the marine formations of the Neogene of occidental Mediterranean sea.
           The paleoclimatic data connected with this period in North Africa are explained and the contribution of the micromammals is discussed. 


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Published in Vol. 08, Fasc. 1 (1977)

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Compléments sur les Chiroptères de l'Eocène moyen d'Europe. Les genres Palaeochiropteryx et Cecilionycteris.
Bernard Sigé and Donald E. Russell
Published online: 01/10/1980

Keywords: Chiroptera; Geiseltal; Messel; Middle Eocene

https://doi.org/10.18563/pv.9.ext.91-126

  Abstract

    New dental and skeletal material referable to Palaeochiropteryx tupaiodon from the Middle Eocene locality of
    Messel (G.F.R.) is studied, which provides additions to the previously gained knowledge of this european genus. Dental specimens from Geiseltal (G.D.R.), also of Middle Eocene age, allow us to analyze Cecilionycteria prisca. Some of these are separated to establish a new genus, Matthesia, and two new species, M. germanica and M. ? insolita


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Published in Vol. 9, Ext (1980)

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Première occurrence d'un mégachiroptère ptéropodidé dans le Miocène moyen d'Europe (Gisement de Lo Fournas-II, Pyrénées-Orientales, France).
Jean-Pierre Aguilar, Marc Calvet Logo, Jean-Yves Crochet, Serge Legendre Logo, Jacques Michaux and Bernard Sigé
Published online: 31/10/1986

Keywords: Europe; First occurence; Megachiroptera; Middle Miocene; Teeth

https://doi.org/10.18563/pv.16.3.173-184

  Abstract

    A lot of isolated teeth of a pteropodid fruit bat has been recently found within an assemblage of micromammals recovered from a karstic fissure filling named Lo Fournas-Il near the locality of Baixas (Pyrénées-Orientales, France). The fauna is Middle Miocene Serravallian age. The fossil fruit bat appears morphologically close to Rousettus; its size is that of a recent medium-sized fruit bat. While the fruit bats are very poorly known as fossils, this discovery shows that one of their recent types of dentitions was perfectly established by Middle Miocene times, and supports the presumed long geologic story of the suborder. One of the major invasions of the Old World fruit bats, supposed originated from SE Asia, reached up to Europe. A suborder unit is added to the miocene fauna of this continent. 


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Published in Vol. 16, Fasc. 3 (1986)

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Types dentaires adaptatifs chez les sélaciens actuels et post-paléozoïques.
Henri Cappetta Logo
Published online: 01/09/1986

Keywords: Dental types; evolution; Fossil selachians; Recent selachians; Trophic adaptations

https://doi.org/10.18563/pv.16.2.57-76

  Abstract

    The dentition of selachians is characterized by an often very pronounced heterodonty involving a great morphological diversity. Despite this fact, the dentitions of selachians can be grouped in a rather reduced number of dental types corresponding to trophic adaptations: grasping, tearing, cutting, crushing, grinding and grasping-grinding type. The numerous exemples of convergence and parallelism that can be observed in fossil selachians and between Recent and fossil ones is the result of this reduced number of dental types. These dental specialisations allow to try a reconstruction of the way of life of fossil forms. 


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Published in Vol. 16, Fasc. 2 (1986)

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Revision der Equoidea aus den Eozänen Braunkohlen des Geiseltales bel Halle (DDR).
Jens L. Franzen and Hartmut Haubold
Published online: 15/04/1986

Keywords: Eocene; Europe; Mammalia; Perissodactyla; Stratigraphy; taxonomy

https://doi.org/10.18563/pv.16.1.1-34

  Abstract

    The dentitions as well as one complete and several partial skeletons of Equoids from the Eocene lignite beds of the Geiseltal locality are revised. Instead of 13 species distinguished up to now 3 chronoclines with 5 species and 3 separate species are recognized (text. fig. 1). Propalaeotherium hassiacum HAUPT, 1925 is evolving into Propalaeotherium isselanum (CUVIER, 1824) between the levels of the « obere Unterkohle ›› and the « untere Mittelkohle ›› of the Geiseltal section. Propalaeotherium argentonicum GERVAIS, 1849 is shown to be present in the « untere Unterkohle ››, whereas Lophiotherium pygmaeum (DEPERET,1901) occurs in the « obere Mittelkohle ›› and in the « oberes Hauptmittel ››. Plagiolophus cartieri STEHLIN, 1904 appears during the transition from the « Mittelkohle ›› into the « Oberkohle ›› as the earliest true Palaeothere. Therefore the « Oberkohle ›› is already regarded as Upper Eocene. This is corroborated by the occurrence of a phyletic descendant of Propalaeatherium parvulum (Propalaeotherium n.sp.) in the middle and upper "Oberkohle " because this species appears otherwise for the first time at the mammal level of Lissieu. On the other hand Propachynolophus gaudryz (LEMOINE, 1878) described by Matthes (1977) from the « untere Unterkohle ›› turns out te be in fact a Phenacodont. Thus the decisive argument for classifying the « untere Unterkohle ›› as Lower Eocene has to be dropped. Biostratigraphically the « Unterkohle ›› and the «Basishauptrnittel ›› correspond with the lower Middle Eocene (mammal level of Messel), whereas the «unteres Hauptmittel ›› and the « untere Mittelkohle ›› are equivalent to the middle part of the middle Eocene (mammal level of lssel), and the « obere Mittelkohle ›› together with the « oberes Hauptmittel ›› coincide with the upper Middle Eocene (mammal level of Bouxwiller). 


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Published in Vol. 16, Fasc. 1 (1986)

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Premier catalogue des specimens-types Paléontologiques déposés dans les collections de l'Université de Montpellier II (Sciences et Techniques du Languedoc)
Bernard Marandat
Published online: 20/12/1994

Keywords: Collections; Inventory; Type specimens; University Montpelllier II

https://doi.org/10.18563/pv.23.ext.3-113

  Abstract

    More than 400 paleontological type-specimens housed in the Montpellier University collections have been inventoried in this catalogue which includes charophytes, Paleozoic plants, brachiopodes, molluscs, arthropodes and vertebrates (selachians, amphibians, reptiles, birds and mammals). The vertebrates have been treated exhaustively in the catalogue and one can consider that it includes most of the type specimens deposited in the Montpelier II collections. 


  PV article infos

Published in Vol. 23, Ext (1994)

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Palaecarcharodon orientalis (Sinzow) (Neoselachii : Cretoxyrhinidae), from the Paleocene of maryland, USA.
Gerard R. Case
Published online: 15/09/1989

Keywords: Maryland; Palaeocarcharodon; Paleocene; Selachian; Systematics; U.S.A.

https://doi.org/10.18563/pv.19.1.1-6

  Abstract

    Recent collecting of fossil vertebrate remains from the lowermost member of the Aquia Formation (Paleocene), has enabled me to report here for the very fIrst time, the earliest occurrence for the teeth of Palaeocarcharodon in the fossil record of the New World.
    This report represents only one species of neoselachian from this locality, the remaining fauna of which will subsequently be described. 


  PV article infos

Published in Vol. 19, Fasc. 1 (1989)

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Contributions à l'étude du gisement Miocène supérieur de Montredon (Hérault). Les grands mammifères. 3 - Les artiodactyles ruminants
Léonard Ginsburg and Herbert Thomas
Published online: 15/11/1988

Keywords: Artiodactyla; France; Montredon; Ruminentia; Upper Miocene

https://doi.org/10.18563/pv.18.ext.43-56

  Abstract

    The remains of Ruminantia are very rare at Montredon. No specific determination was possible. We have only one Micromeryx, one small cervid, one tragocere and one (?) gazella. The faunal spectrum is in good correlation with the general retreat of the cervids in the European upper Miocene, but in contrast it is not convenient for the bovids, which are in expansion at the same time. For them, we have to invoke the local ecological conditions.
      


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Published in Vol. 18, Ext (1988)

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Contributions à l'étude du gisement Miocène supérieur de Montredon (Hérault). Les grands mammifères. 2 - les carnivores
Gérard de Beaumont
Published online: 15/11/1988

Keywords: anatomy; Carnivora; France; Montredon; Systematics; Upper Miocene

https://doi.org/10.18563/pv.18.ext.15-42

  Abstract

    The locality of Montredon has provided 8 species of camivores, often little documented, that are discribed and depicted. All the remains are fragmentary and generally badly preserved which lowers very much the possible precision of the taxonomic study; this one has however allowed the creation of a new subspecies. The most richlypdocumented forms are an ursid (Indarctos) and a felid (Machairodus). Issuing often from a westem Europe evolution, the carnivores are well inserted between those of the better known faunas of the "Classical Pontian" and of the lower Vallesian and this situation fits also well with their stratigraphic level, that cannot however be more accurately defined with them alone.
      


  PV article infos

Published in Vol. 18, Ext (1988)

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Rongeurs du Miocène supérieur de Chorora (Ethiopie): Cricetidae, Rhizomyidae,Phiomyidae, Thryonomyidae,Sciuridae.
Denis Geraads Logo
Published online: 15/12/1998

Keywords: cricetids; Ethiopia; phiomyids; rhizomyids; Rodentia; sciurids; thryonomyids; Upper Miocene

https://doi.org/10.18563/pv.27.3-4.203-216

  Abstract

    Besides Dendromurids and Murids, the Chorora Rodents include 7 taxa, two of which are new. Afaromys nov. gen. is a Cricetodontine with very complicated lower molars, certainly isolated for a long time from Eurasian species. A Paraphiomys, with tetralophodont upper molars, is also quite different from other East African species, and its roots should probably he searched in the middle Miocene. Other taxa are less original, and more similar to the South Asiatic ones. 


  PV article infos

Published in Vol. 27, Fasc. 3-4 (1998)

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Carolocoutoia ferigoloi nov. and sp. (Protodidelphidae), a new Paleocene "opossum-like" marsupial from Brazil.
Francisco J. Goin Logo, Edison V. Oliveira Logo and Adriana M. Candela Logo
Published online: 15/12/1998

Keywords: Brazil; Didelphimorphia; Itaborai; Marsupialia; New taxa; Paleocene; Protodidelphidae; South America

https://doi.org/10.18563/pv.27.3-4.145-154

  Abstract

    Carolocoutoia ferigoloi gen. et sp. nov. is the largest of protodidelphid marsupials, known from Middle Paleocene levels at Itaboraí Formation, southeastern Brazil. It differs from other members of this family in having molars with low cusps which are basally inflated, rounded crests without cutting edges, and a thick enamel layer which is wrinkled, specially at the labial half. A comparative analysis among representatives of this family led us to recognize only three genera undoubtely assignable to it:  Protodidelphis PAULA COUTO, 1952, Robertbutleria MARSHALL, 1987, and Carolocoutoia gen. nov. Protodidelphids lack the basic derived features diagnostic of Polydolopimorphian marsupials, while most of its derived features agree with its belonging to the Didelphimorphia. Protodidelphids comprise a specialized clade of opossum-like marsupials adapted to frugivorous or frugivore-omnivorous feeding habits. They differ from other didelphimorphians in having very large, spire-like entoconids, reduced and antero-posteriorly compressed paraconids, absence of stylar cusp C and of para- and metaconules, large stylar cusps B and D which are proximate to each other, short postmetacristae, eccentric protocones, and molars that increase rapidly in size from M/ml to M/m3.
      


  PV article infos

Published in Vol. 27, Fasc. 3-4 (1998)

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Une nouvelle espèce de Steneosaurus (Thalattosuchia, Teleosauridae) dans le Callovien du Poitou (France) et la systématique des Steneosaurus longirostres du Jurassique moyen d'Europe Occidentale.
Patrick Vignaud Logo
Published online: 15/09/1998

Keywords: middle Jurassic; nov. sp.; phylogenetic relationships; skulls; Steneosaurus pictaviensis; Systematics; thalattosuchian crocodile

https://doi.org/10.18563/pv.27.1-2.19-44

  Abstract

    The study of all the available skulls allows us to review the systematic relationships of the longirostrine Steneosaurus from the Middle Jurassic of western Europe. Up to now, Aalenian and Bajocian deposits have not yielded any significant Steneosaurus remain. In the Bathonian, the only valid longirostrine species, S. megistorhynchus, is known in the Britain-Normandy Basin, the Poitou and the Lorraine. In the Callovian, most of the longirostrine Steneosaurus remains can be attributed to the species S. leedsi. Nevertheless, some remains from the Middle Callovian of Poitou (France) show important differences with S. leedsi. A new Steneosaurus species, only known in Poitou, is created and named S. pictaviensis. The specific characters are carried by the skull (preorbital pit well marked, orbit and ptetygoid fossae shapes), by the mandible (symphysis shape) and by the teeth (ornamentation). S. megistorhynchus is probably situated near the stem of the Callovian species but remains from the Bathonian and Lower Callovian are very scarce and it is very difficult to precise the phylogenetic relationships between the longirostrine species of the Middle Jurassic.
      


  PV article infos

Published in Vol. 27, Fasc. 1-2 (1998)

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Leptacodon nascimentoi n,sp., un nouveau Nyctitheriidae (Mammalia,Lipotyphla) de l'Eocène inférieur de Silveirinha (Baixo Mondego, Portugal)
Carmen Estravis
Published online: 16/12/1996

Keywords: Eocene; Leptacodon; Lipotyphla; Mammals; Nyctitheriidae; Portugal; Silveirinha

https://doi.org/10.18563/pv.25.2-4.275-286

  Abstract

    In this article is described a new species of Nyctitheriidae with primitive characters: Leptacodon nascimentoi n. sp. from the early Eocene of Silveirinha (Portugal). 


  PV article infos

Published in Vol. 25, Fasc. 2-4 (1996)

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Dating dinosaur oodiversity: chronostratigraphic control of LateCretaceous oospecies succession.
Nieves Lopez-Martinez
Published online: 15/12/2003

Keywords: Biostratigraphy; Chronology; dinosaur eggshells; Late Cretaceous

https://doi.org/10.18563/pv.32.2-4.121-148

  Abstract

    An increasing fossil record of dinosaur eggs and eggshells allows putting ootaxa within a chronostratigraphic framework, in order to study their distribution pattern leading eventually to their use as biochronological markers. For these purposes, high-quality data exists in four major regions; North America, South America, Europe and Asia (Central Asia and India). Most of the highly diverse dinosaur egg record has been dated as Latest Cretaceous in age (Campanian-Maastrichtian), reaching the Cretaceous-Tertiary boundary closer than the dinosaur bone record. However, dating continental sections is problematic and need to be carefully verified, as it appears when comparing the European dinosaur eggshell record from two well-studied areas. Ootaxa distribution in both sides of the Pyrenees (Tremp and Aix basins) shows comparable oospecies successions, but different chronology. This disagreement probably indicates that one or both successions have a wrong chronostratigraphic calibration.  


  PV article infos

Published in Vol. 32, Fasc. 2-4 (2003)

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Diversity of triconodont mammals from the early Cretaceous of North Africa-affinities of the Amphilestids
Denise Sigogneau-Russell
Published online: 15/10/2003

Keywords: amphilestines; Early Cretaceous; gobiconodontines; North Africa; Teeth; triconodonts

https://doi.org/10.18563/pv.32.1

  Abstract

    The mammalian fauna (represented only by isolated teeth) from the early Cretaceous of Morocco includes a number of non-'therian' specimens, characterized by the antero-posterior alignement of the main molar cusps. This assemblage is very heterogenous, including forms (among them Gobiconodon palaios sp. nov.) that can be related to Laurasian triconodonts and several forms so far known only in this part of Gondwana (among them Kryptotherium polysphenos gen. et sp. nov.). The latter, in particular, exemplifies the diversity of the mammalian dental morphology in the Mesozoic, often largely underestimated. In the last part of this paper, the 'therian' affinity of the 'amphilestids' is discussed, on the basis of the arrangement of molar cusps, the interlocking mechanism and the occlusal pattem. 


  PV article infos

Published in Vol. 32, Fasc. 1 (2003)

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Systematic and evolutionary relationships of the hipparionine horses from Maragheh, Iran (Late Miocene, Turolian age)
Raymond L. Bernor Logo
Published online: 30/12/1985

Keywords: evolution; Hipparionine horses; Iran; Systematics; Turolian

https://doi.org/10.18563/pv.15.4.173-269

  Abstract

    A systematic analysis of an hipparionine horse assemblage from Maragheh, Iran is made. A brief orientation to systematic philosophy and informal superspecific characterizations of some Old World hipparionines is given as a background to this work. A character state analysis of skulls is made, and has revealed five distinct species. A character state and stratigraphic trend analysis of isolated check tooth and postcranial remains, with known provenance, is also made. These two combined analyses reveal that the most resolute discrimination of hipparionine species and their evolutionary relationships occurs when multiple character complexes of associated skulls, maxillary and mandibular dentitions are made. When this is not possible, skulls have provided the best basis for discriminating species and their evolutionary relationships. Traditional characters of isolated cheek teeth and postcranial remains are shown here to offer limited information content for hipparionine phylogenetic systematics. The systematic portion of this study includes a comprehensive description of cranial and postcranial remains, and has further corroborated the distinction of five species which belong to at least three superspecific groups including: «Hipparion» geltyi sp. nov., Group 1; Hipparion prostylum (s. l.), and Hipparion campbelli sp. nov., Group 3; «Hipparíon» aff. moldavicum and «Hipparion» ?matthewi, Group 2. These species stratigraphic ranges and evolutionary relationships are also given here and argued to be important for establishing future hipparionine geochronologic correlations between a number of Eurasian late Miocene provinces. 


  PV article infos

Published in Vol. 15, Fasc. 4 (1985)

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Contributions à l'étude des micromammifères du gisement Miocène supérieur de Montredon (Hérault). 4 - Les chiroptères
Bernard Sigé
Published online: 30/06/1982

Keywords: Chiroptera; Hérault; Late Miocene; Micromammals; Montredon

https://doi.org/10.18563/pv.12.3.133-140

  Abstract

    The Montredon local fauna yielded very rare bats, represented by damaged isolated teeth. Only a few documents are available for this period of the European Neogene. ln this poor state of knowledge, the material represents three undetermined species, a supposed molossid and two vespertilionids. 


  PV article infos

Published in Vol. 12, Fasc. 3 (1982)

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Page 7 of 19, showing 20 record(s) out of 366 total