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Early-Middle Ordovician graptolites from the Argentine Puna: quantitative paleobiogeographic analysis based on a systematic revisionGraptolitos del Ordovícico Temprano-Medio de la Puna, Argentina: Análisis Paleobiogeográfico Cuantitativo basado en una revisión sistemática
(2020-07)
The updated taxonomic revision of the Early–Middle Ordovician graptolites from the eastern Argentine Puna allows describing Sigmagraptus praecursor, Baltograptus extremus, B. geometricus, B. vacillans, Cymatograptus
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