Description:
Paleontologists unveil a previously unknown carnivorous dinosaur species in Patagonia, shedding light on the diversity of theropods in the Late Cretaceous period.
Article:
In a groundbreaking discovery, scientists have identified a new species of carnivorous dinosaur in the La Colonia Formation of central Patagonia, Argentina. The species, named Koleken inakayali, was unveiled by National Geographic Explorer Diego Pol and a team of international paleontologists. This marks the second known abelisaurid theropod from this region, which was previously dominated by the iconic Carnotaurus.
Koleken is characterized by its smaller size and distinct skull features, notably the absence of the prominent frontal horns seen in Carnotaurus. This anatomical variation suggests a greater diversity within the abelisaurid group than previously understood. The name "Koleken" derives from the Tehuelche language, meaning "claystone," referencing the sedimentary rock where the fossils were found, while "inakayali" honors the Tehuelche leader Inakayal.
The fossils of Koleken were discovered in a rich fossil locality that also yielded remains of other prehistoric creatures, including a new species of titanosaur, Titanomachya gimenezi. These findings provide valuable insights into the ecosystem of Patagonia during the Late Cretaceous period, approximately 70 million years ago.
This discovery not only enhances our understanding of dinosaur diversity in South America but also underscores the significance of Patagonia as a pivotal region for paleontological research.
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