{"product_id":"aerosteon-riocoloradensis","title":"Aerosteon riocoloradensis","description":"\u003cp data-end=\"527\" data-start=\"41\"\u003e\u003cem\u003e\u003cstrong data-end=\"70\" data-start=\"41\"\u003eAerosteon riocoloradensis\u003c\/strong\u003e\u003c\/em\u003e is a theropod dinosaur from the Late Cretaceous (approx. 84 million years ago), belonging to the Megaraptora clade, described from fossil remains found in the Anacleto Formation, in Argentine Patagonia. Its name, meaning \"air bones,\" refers to a distinctive anatomical feature: the presence of extensive pneumatic cavities in the bones, associated with an advanced respiratory system comparable to that of modern birds.\u003c\/p\u003e\n\u003cp data-end=\"1409\" data-start=\"529\"\u003eFrom a biometric perspective, \u003cstrong data-end=\"594\" data-start=\"565\"\u003eAerosteon riocoloradensis\u003c\/strong\u003e reached estimated lengths of between 8 and 10 meters, with an approximate body mass of 1 to 2 tons. It had an elongated and relatively slender body, with well-developed hind limbs suggesting agile locomotion. The forelimbs were robust and equipped with large curved claws, typical of megaraptorans, possibly used for catching and holding prey. The skull, although incomplete in the fossil record, indicates a relatively light head. One of the most notable features is the presence of pneumatics not only in vertebrae and ribs, but also in elements such as the furcula and the abdominal region, suggesting the existence of air sacs similar to those of birds, implying a highly efficient respiratory system.\u003c\/p\u003e\n\u003cp data-end=\"2081\" data-start=\"1411\"\u003eRegarding its habits, \u003cstrong data-end=\"1465\" data-start=\"1436\"\u003eAerosteon riocoloradensis\u003c\/strong\u003e was an active predator of high or medium-high trophic level, probably specialized in hunting medium-sized vertebrates. Its combination of speed, powerful claws, and an efficient respiratory system would have allowed for a relatively high metabolism, favoring dynamic hunting strategies. Although no direct integument impressions are preserved, due to its phylogenetic position it is plausible that it had some type of filamentous covering (proto-feathers), at least in certain body regions. Its dentition, although poorly known, suggests adaptation to cutting meat rather than crushing.\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"2642\" data-start=\"2083\"\u003eThe habitat of \u003cstrong data-end=\"2119\" data-start=\"2097\"\u003eA. riocoloradensis\u003c\/strong\u003e corresponded to continental ecosystems of Patagonia during the Late Cretaceous, characterized by alluvial plains, river systems, and semi-arid areas with dispersed vegetation. The Anacleto Formation documents a diverse fauna that included titanosaur sauropods, other theropods, and various terrestrial vertebrates. In this environment, \u003cstrong data-end=\"2477\" data-start=\"2464\"\u003eAerosteon\u003c\/strong\u003e occupied the role of a cursorial predator, interacting with multiple levels of the food web and contributing to the ecological dynamics of these Gondwanan systems.\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eApproximate measurements of Aerosteon: \u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1:35 Scale Complete\u003c\/span\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLength 245 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeight 65 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWidth 42 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSnout-to-tail length 257 mm\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e","brand":"VFBPaleoart","offers":[{"title":"1:35 \/ Unprimed","offer_id":54779387117836,"sku":"DC-1385-135-SINI","price":69.3,"currency_code":"EUR","in_stock":true},{"title":"1:35 \/ Primed","offer_id":54779387150604,"sku":"DC-1385-135-IMPRI","price":81.3,"currency_code":"EUR","in_stock":true},{"title":"1:35 \/ Hand-painted","offer_id":54779387183372,"sku":"DC-1385-135-PINTA","price":202.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/1106\/7660\/files\/Aerosteon_1.jpg?v=1777716782","url":"https:\/\/dinosauriacreatures.com\/en\/products\/aerosteon-riocoloradensis","provider":"Dinosauria Creatures","version":"1.0","type":"link"}