A new large hypercarnivorous crocodyliform from the Maastrichtian of Southern Patagonia, Argentina
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Resumen del artículo
A new genus and species of peirosaurid crocodyliform, Kostensuchus atrox, was discovered in the Maastrichtian Chorrillo Formation of Southern Patagonia. This large predator, estimated to be 3.5 meters long, adds to our understanding of broad-snouted peirosaurids and their role as apex predators in Late Cretaceous Gondwanan ecosystems. Phylogenetic analysis places Kostensuchus within a clade of robust, broad-snouted peirosaurids.
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A new, big crocodile fossil, Kostensuchus, was found in Argentina. It was a top predator, like a T-Rex of the swamps, and helps us understand ancient ecosystems.
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Explicación de la calificación
This paper describes a significant new fossil discovery, Kostensuchus, a large peirosaurid crocodyliform from the Late Cretaceous of Patagonia. The specimen is exceptionally well-preserved, offering valuable insights into the anatomy, phylogeny, and paleoecology of broad-snouted peirosaurids. The study employs robust phylogenetic methods and provides a detailed description, enhancing our understanding of this group and its role in Cretaceous ecosystems. While working with fossil data has inherent limitations, the study's strengths outweigh these constraints, justifying a rating of 4.
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