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1. 

   Smithian (Early Triassic) ammonoid faunas from northwestern Guangxi (South China)

   Taxonomy and Biochronology

   Av Arnaud Brayard, Hugo Bucher

   Häftad, 2008

   833 kr

   Lägg i varukorg

   The highly fossiliferous succession of Smithian (Early Triassic) ammonoids from northwestern Guangxi (South China) provides a key equatorial record, at the boundary between Tethys and Panthalassa. After the end-Permian extinction, ammonoids reached their first major diversity peak during Smithian …