Symmetrodonta: diferenças entre revisões

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* TSUBAMOTO, T.; ROUGIER, G. W.; ISAJI, S.; MANABE, M.; FORASIEPI, A. M. (2004). '''New Early Cretaceous spalacotheriid “symmetrodont” mammal from Japan'''. ''Acta Palaeontologica Polonica'' 49 (3): 329–346.
* CIFELLI, R. L.; MADSEN, S. K. (1999). '''Spalacotheriid symmetrodonts (Mammalia) from the medial Cretaceous (upper Albian or lower Cenomanian) Mussentuchit local fauna, Cedar Mountain Formation, Utah, USA.''' ''Geodiversitas'' 21 (2): 167-214. [http://www.mnhn.fr/publication/geodiv/g99n2a4.html Resumo]
* SIGOGNEAU-RUSSELL, D.; ENSOM, P. (1998). '''Thereuodon(Theria, Symmetrodonta) from the Lower Cretaceous of North Africa and Europe, and a brief review of symmetrodonts'''. ''Cretaceous Reserch''. 19 )3-4): 445-470. [http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6WD3-45K0Y0V-9&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=4f3b482ccc67565dd7a5a493170d236f Resumo]
 
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