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Late Miocene/Early Pliocene vertebrate fauna from Mallorca(Balearic Islands,Western Mediterranean):an update

Integrative Zoology 2014年第2期9卷 183-196页

作者： Pere BOVER Juan ROFEs salvador BAILON Jordi AGUsTÍ gloria cuenca-bescós Enric TORREs Josep Antoni ALCOVER IMEDEA(CsIC-UIB) Mediterranean Institute for Advanced StudiesDepartment of Biodiversity and ConservationBalearic IslandsSpain Research Associate Division of Vertebrate Zoology/Mammalogy Department American Museum of Natural HistoryNew YorkNYUSA Department of stratigraphy and Paleontology University of the Basque CountryLeioaSpain Grupo Aragosaurus-IUCA Area of PaleontologíaEarth Sciences DepartmentUniversity of ZaragozaZaragozaSpain UMR 7209-7194 of CNRs Department of Ecology and Biodiversity ManagementNational Museum of Natural HistoryParisFrance ICREA Institut Catalàde Paleoecologia Humana i EvolucióSocial(IPHES)Universitat Rovira i VirgiliTarragonaSpain

The vertebrate fossil record from the Balearic Islands(western Mediterranean)has improved considerably over the past decade,especially in Mallorca and *** Menorca,the Pliocene terrestrial fauna was updated by the discovery and description of the large-sized leporid Nuralagus,several reptiles and an *** Mal-lorca,paleontological exploration yielded 2 deposits with a Late Miocene/Early Pliocene chronology,Calóden Rafelino(CdR)and Na Burguesa-1(NB-1).so far,4 new mammalian taxa and 2 new reptiles have been iden-tified for the CdR deposit,whereas the faunal assemblage from the recently discovered deposit(Apr 2012)of NB-1 is currently composed of,at least,6 terrestrial mammals,8 reptiles and an *** faunal composi-tion and some primitive characteristics of the obtained taxa suggest that the chronology of this deposit is slight-ly earlier than the *** terrestrial vertebrates recorded in these 2 Mallorcan deposits are changing the view of the paleofaunal assemblage previously known for the Plio-Pleistocene of the *** charac-teristics displayed by some of the taxa suggest that these faunas would be at the beginning of an isolated *** this paper we present a preliminary report on the fossils recovered from the NB-1 deposit,as well as some unpublished data from CdR,and we analyze the whole fauna from both Mallorcan deposits,focusing on taxonomical and paleobiogeographical aspects.

关键词： Early Pliocene Late Miocene Mallorca new fauna paleobiogeography

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Pleistocene history of Iberomys,an endangered endemic rodent from southwestern Europe

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Integrative Zoology 2014年第4期9卷 481-497页

作者： gloria cuenca-bescós Juan Manuel LÓPEZ-GARCÍA María Angeles GALINDO-PELLICENA Rosa GARCÍA-PEREA Julio GIsBERT Juan ROFEs Jacint VENTURA Research Group Aragosaurus-IUCA PaleontologyEarth Sciences DepartmentUniversity of ZaragozaZaragozaSpain Research Group of Paleobiology and Prehistory Human Studies DepartmentUniversity of FerraraFerraraItaly Research Institute of Evolution and Human Behavior UCM-ISCIIIMadridSpain GALEMIA Conservation and Study of Forgotten VertebratesMadridSpain Department of stratigraphy and Paleontology Faculty of Sciences and TechnologyUniversity of the Basque CountryGipuzkoaGuipúzcoaSpain Department of Animal Biology Plant Biology and EcologyFaculty of BiosciencesUniversity Autonoma de BarcelonaBarcelonaSpain

The extant Cabrera’s vole,Microtus cabrerae,differs in morphology and evolutionary history from the other species of *** arvicoline has unique derived features in the cranium,mandible and ***bly its most conspicuous features are its large size,the high skull in lateral view,the long and distally broad nasals,and the triangle shape of the anteroconid complex,with a marked labio-lingual asymmetry of the occlusal surface of the first lower *** this study,we propose a phylogenetic lineage that includes Cabrera’s vole in what until now has been the Microtus subgenus *** information and several life history traits support the elevation of Iberomys to the rank of *** Iberomys comprises species that have appeared in succession during the Quaternary:in the Early Pleistocene,the extinct *** in the Middle Pleistocene,the extinct *** and in the Late Pleistocene,the extant ***,the extant species shows several biological singularities,such as multiple polymorphic copies of the sRY male-specific gene in both males and females,and the lowest basal metabolic rate in relation to weight among arvicoline ***,its habitat requirement is unique among the Iberian ***,the biological and paleontological data that we present in this work support the elevation of its taxonomic rank to that of ge*** study also suggests a modification of nomenclature:Microtus(Iberomys)brecciensis is replaced with *** and the common name of the extant M.(I.)cabrerae changed from‘topillo’to‘iberon’to improve conservation and protection actions.

关键词： Cabrera’s vole conservation Iberoccitanian endemism Iberomys origin

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