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Dive into the research topics where Monette Veran is active.

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Featured researches published by Monette Veran.


Comptes Rendus De L Academie Des Sciences Serie Ii Fascicule A-sciences De La Terre Et Des Planetes | 1999

Un nouveau genre de dinosaure sauropode de la formation des Grès supérieurs (Aptien-Albien) du Laos

Ronan Allain; Philippe Taquet; Bernard Battail; Jean Dejax; Philippe Richir; Monette Veran; Franck Limon-Duparcmeur; Renaud Vacant; Octávio Mateus; Phouvong Sayarath; Bounxou Khenthavong; Sitha Phouyavong

The partly-articulated postcranial remains of two sauropod skeletons recently found in Tang Vay (Savannakhet Province, Laos) are assigned to the species Tangvayosaurus hoffeti (nov. gen., nov. sp.). The derived characters present in the new material confirm the presence of titanosaurs in South East Asia at the end of the Early Cretaceous, but are not consistent with its placement within Titanosaurus genus as first done by Hoffet in 1942. All of the material relative to this species is therefore referred to a new genus: Tangvayosaurus. Tangvayosaurus and the Thai genus Phuwiangosaurus have strong affinities and are considered as primitive titanosaurs.


Proceedings of the Royal Society of London B: Biological Sciences | 2014

Stability versus diversity of the dentition during evolutionary radiation in cyprinine fish

Emmanuel Pasco-Viel; Lei Yang; Monette Veran; Vincent Balter; Richard L. Mayden; Vincent Laudet; Laurent Viriot

Evolutionary radiations, especially adaptive radiations, have been widely studied but mainly for recent events such as in cichlid fish or Anolis lizards. Here, we investigate the radiation of the subfamily Cyprininae, which includes more than 1300 species and is estimated to have originated from Southeast Asia around 55 Ma. In order to decipher a potential adaptive radiation, within a solid phylogenetic framework, we investigated the trophic apparatus, and especially the pharyngeal dentition, as teeth have proved to be important markers of ecological specialization. We compared two tribes within Cyprininae, Poropuntiini and Labeonini, displaying divergent dental patterns, as well as other characters related to their trophic apparatus. Our results suggest that the anatomy of the trophic apparatus and diet are clearly correlated and this explains the difference in dental patterns observed between these two tribes. Our results illustrate the diversity of mechanisms that account for species diversity in this very diverse clade: diversification of dental characters from an ancestral pattern on the one hand, conservation of a basal synapomorphy leading to ecological specialization on the other hand. By integrating morphological, ecological and phylogenetic analyses, it becomes possible to investigate ancient radiation events that have shaped the present diversity of species.


Journal of Systematic Palaeontology | 2018

A new Lepisosteiformes (Actinopterygii: Ginglymodi) from the Early Cretaceous of Laos and Thailand, SE Asia

Lionel Cavin; Uthumporn Deesri; Monette Veran; Bounsou Khentavong; Pratueng Jintasakul; Phornphen Chanthasit; Ronan Allain

A new genus and new species of ginglymodian is described from the Aptian Grès supérieurs Formation of the Savannakhet Basin, Laos (Lao Peoples Democratic Republic), found at the Ban Lamthouay locality. The fish is known from a single isolated head, which shows enough diagnostic characters to characterize a new taxon. It represents the first named actinopterygian fish from the Mesozoic of Laos. Among the derived characters are a very short and deep head, a series of very deep anterior infraorbitals, and a mosaic arrangement of the suborbitals. Recognition of this new form led us to identify isolated bones previously found in the Thai Khok Kruat Formation in Thailand, a lateral equivalent of the Grès supérieurs Formation. Two localities, Ban Saphan Hin and Khok Pha Suam, have yielded remains, in particular bones of the skull roof and of the circumorbital series as well as a partial postcranial body, assignable, with caution, to the new genus. When included in a cladistic analysis, the new taxon is placed at the base of the lepisosteoid lineage, together with Isanichthys known from an older formation in Thailand. The phylogenetic pattern obtained differs in some details from previous analyses and points out the pivotal role that some taxa play in the reconstruction of the phylogenies of ginglymodians. This new taxon enriches the diverse Late Jurassic–Early Cretaceous ginglymodian assemblage in South-east Asia, which surprisingly shows no evidence of teleosts. http://zoobank.org/urn:lsid:zoobank.org:pub:70564BE0-939C-4217-9D82-9E51AA298A8C


Journal of Asian Earth Sciences | 2012

Permian continental paleoenvironments in Southeastern Asia: New insights from the Luang Prabang Basin (Laos)

Antoine Bercovici; Sylvie Bourquin; Jean Broutin; Jean-Sébastien Steyer; Bernard Battail; Monette Veran; Renaud Vacant; Bounxou Khenthavong; Sotsy Vongphamany


Journal of Asian Earth Sciences | 2013

Late Triassic volcanic activity in South-East Asia: New stratigraphical, geochronological and paleontological evidence from the Luang Prabang Basin (Laos)

Sébastien Blanchard; Camille Rossignol; Sylvie Bourquin; Marie-Pierre Dabard; Erwan Hallot; Thierry Nalpas; Marc Poujol; Bernard Battail; Nour-Eddine Jalil; Jean-Sébastien Steyer; Renaud Vacant; Monette Veran; Antoine Bercovici; José B. Diez; Jean-Louis Paquette; Bounxou Khenthavong; Sotsy Vongphamany


Comptes Rendus De L Academie Des Sciences Serie Ii Fascicule A-sciences De La Terre Et Des Planetes | 1997

Pistes de dinosaures dans les niveaux du Crétacé inférieur de Muong Phalane, province de Savannakhet (Laos)

Ronan Allain; Philippe Taquet; Bernard Battail; Jean Dejax; Philippe Richir; Monette Veran; Phouvong Sayarath; Bounxou Khenthavong; Phosikeo Thamvirith; Boun Hom


Zootaxa | 2012

Bleeker was right: Revision of the genus Cyclocheilichthys (Bleeker 1859) and resurrection of the genus Anematichthys (Bleeker 1859), based on morphological and molecular data of Southeast Asian Cyprininae (Teleostei, Cypriniformes)

Emmanuel Pasco-Viel; Monette Veran; Laurent Viriot


Geobios | 1997

Paléontologie des vertébrésinférieurs — Renouveau et développements

Cécile Poplin; Alain Blieck; Richard Cloutier; Claire Derycke; Daniel Goujet; Philippe Janvier; Hervé Lelièvre; Monette Veran; Sylvie Wenz


Zootaxa | 2013

Comments on 'The valid generic names for the fish species usually placed in Cyclocheilichthys' (KOTTELAT 2013) and a correction of Pasco-viel et al. (2012).

Emmanuel Pasco-Viel; Monette Veran; Laurent Viriot


Geobios | 1997

Palontologie des vertbrsinfrieurs Renouveau et dveloppements

Cécile Poplin; Alain Blieck; Richard Cloutier; Claire Derycke; Daniel Goujet; Philippe Janvier; Hervé Lelièvre; Monette Veran; Sylvie Wenz

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Bernard Battail

Centre national de la recherche scientifique

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Renaud Vacant

Centre national de la recherche scientifique

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Ronan Allain

Centre national de la recherche scientifique

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Claire Derycke

Centre national de la recherche scientifique

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Cécile Poplin

Centre national de la recherche scientifique

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Daniel Goujet

Centre national de la recherche scientifique

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Hervé Lelièvre

Centre national de la recherche scientifique

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Jean Dejax

Centre national de la recherche scientifique

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Jean-Sébastien Steyer

Centre national de la recherche scientifique

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Philippe Janvier

Centre national de la recherche scientifique

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