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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