2   Artículos

 
en línea
Brandon Keough and Kenneth Ridgway    
The Cantwell Formation of the central Alaska Range provides a robust archive of high-latitude, Late Cretaceous depositional systems and paleo-floral/faunal assemblages. Our stratigraphic analysis defines two mappable members. The lower member (1500?2000 ... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Jingmai K. O?Connor, Luis M. Chiappe, Cheng-ming Chuong, David J. Bottjer and Hailu You    
At least two lineages of Mesozoic birds are known to have possessed a distinct feather morphotype for which there is no neornithine (modern) equivalent. The early stepwise evolution of apparently modern feathers occurred within Maniraptora, basal to the ... ver más
Revista: Geosciences    Formato: Electrónico

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