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pro vyhledávání: '"Gautier Hainaut"'
Autor:
Catherine Crônier, Abdelkader Ouali Mehadji, Abdelkader Abbache, Gautier Hainaut, Ahmed Yacine Khaldi
Publikováno v:
Geological Magazine. 153:357-387
Trilobites are widespread in Lower Devonian deposits of north Gondwana, and some have been collected from two known sections of the Saoura Valley in SW Algeria, from the ‘Chefar el Ahmar’ Formation. This formation is considered to be from late Em