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Alfredo Cuerda,Marta Alfaro,Jose M. Cortes,Mario Franchi,Augusto Menendez
Pág. 19 - 35
ABSTRACT. Ordovician graptolites from sierra de Cajas, eastern Andes, Jujuy, Argentina. A graptolite assemblage of early Ordovician age has been found in the northern region of Sierra de Cajas (northwestern Argentina). The fossil bearing beds consist of ...
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