Latest Smithian (Early Triassic) ammonoid assemblages in Utah (western USA basin) and their implications for regional biostratigraphy, biogeography and placement of the Smithian/Spathian boundary
Autor: | Brayard, Arnaud, Jenks, James F., Bylund, Kevin G., Olivier, Nicolas, Vennin, Emmanuelle, Stephen, Daniel A., Escarguel, Gilles, Fara, Emmanuel |
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Zdroj: | In Geobios December 2021 69:1-23 |
Databáze: | ScienceDirect |
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