New Material of Feilongus(Reptilia: Pterosauria) from the Lower Cretaceous Jiufotang Formation of Western Liaoning.pdf

New Material of Feilongus(Reptilia: Pterosauria) from the Lower Cretaceous Jiufotang Formation of Western Liaoning.pdf

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Vo1.88No.1PP.13-17 ACTAGEOLOGICAS~ICA (EnglishEdition) Feb.20l4 NewMaterialofFeilongus(Reptilia:Pterosauria)fromtheLower CretaceousJiufotangFormationofW esternLiaoning WANGXuri,,SHEN Caizhi,GAO Chunling andJ1N Kemp 1InstituteofGeology,ChineseAcademyofGeologicalSciences,Beoing100037,China 2DalianNaturalHistoryMuseum,Dalian,Liaoning116023,China 3ChineseAcademyofGeologicalSciences,Bejiing10003,7China Abstract:Based on a new nearly naturally preserved skulland four cervicalvertebrae ofthe pterosaurFeilongussp.from thelowerCretaceousJiufotangFormationofBeipiao,westernLiaoning province,northeasternChina,thediagnosisofFeilongusisamended.Thereviseddiagnosisnoteslong, curved,needle.shapedteeththatareconfinedtotheiaw faranteriortothenas0ant0rbitalfenestra; posteriorteeth thatare slightly smallerthan theanterior teeth;cervicalvertebrae elongatedwith a ratiooflengthtowidthgreaterthan5:toothnumberofabout78;andtwocranialsagittalcrests. Keywords:pterosaur,am endeddiagnosis,JiufotangFormation,Aptian,westernLiaoning 】【Intr0ducti0n Abundantpterosaurspecimenshavebeen discovered rfom westernLiaoningandthesurroundingareasinChina inthe lasttwodecades(JiandJi,1997:Jieta1,1999; W angandLti,2001;W angandZhou,2002,2003,2004; W angeta1.,2002,2005;WangandZhou2006;Lti,2003, 2009,201O;LfiandHone,2012;LfiandJi,2005;Lfieta1., 2006a,2006b,20ll,20121.Thishasgreatlyextendedour understanding of pterosaur evolution, classification, morphologyandbehavior.Feilongusyoungiwasthefirst reportedpterosaurinwhichthewingspanreachedgreater than2meters(Wangeta1.,2005).Thetypespecimen includedanalmostcompleteskul1andmandible(Fig.11. Fig.1.Linedrawing oftheholotypeofFeilongusyoungi whichwasdiscoveredfrom the1owerYixianFormationat Wangeta1.,2005(AfterWangeta1.,2005). Beipiao,westernLiaoning. Thediagn

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