The Berriasian-Valanginian (Early Cretaceous) boundary transition at Santa Catarina Ticuá, Oaxaca state, southern Mexico: ammonites, bivalves, calpionellids and their paleobiogeographic significance

P. Zell, W. Stinnesbeck, S. Beckmann, T. Adatte, and F. Hering

2015

Article

Journal of South American Earth Sciences 62:33-57

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