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- Lived in the Early Jurassic (about 190 million years ago) and reached roughly 9–10 m, among China's largest early-diverging sauropodomorphs.
- Possessed a relatively short neck and an exceptionally robust, elongated tail that likely acted as a counterbalance, permitting occasional hind-limb rearing to feed.
- Phylogenetic analysis places it between earlier sauropodomorphs and derived sauropods; specimen recovered from the Fengjiahe Formation, Luming, Yunnan.
A new genus and species of massopodan sauropodomorph that lived throughout the Very early Jurassic date has been recognized from a partial skeletal system unearthed in southwestern China. Named Xiangyunloong fengming , this dinosaur bridges an important void between early plant-eaters and the gigantic four-legged sauropods that would certainly later on dominate the Mesozoic globe.
Xiangyunloong fengming stayed in what is currently China throughout the Very early Jurassic, about 190 million years earlier.
Based on its preserved bones, the dinosaur extended about 9 – 10 m (30 – 33 feet) in size, making it among the largest known early-diverging sauropodomorph dinosaurs from China.
The species was a sort of massopodan , a group of sauropodomorphs that lived during the Late Triassic to Late Cretaceous.
“The Very early Jurassic epoch is a critical period in dinosaur advancement, seeing the diversification and increase to prominence of sauropodomorph dinosaurs in the terrestrial ecosystem,” said Dr. Ya-Ming Wang from the Geological Gallery of China and associates.
“Within this team, non-sauropodan massopodan sauropodomorphs played an important duty in the evolutionary paths leading to the enormous body strategies characteristic of sauropods.”
“Recognizing the composition, variety and paleobiogeography of these early-diverging sauropodomorphs is therefore fundamental to understanding the origins of sauropods, which stand for one of one of the most effective dinosaurian clades.”
Xiangyunloong fengming ‘s partial skeletal system was found the Fengjiahe Development in Luming town, China’s Yunnan district.
The specimen is stood for by vertebrae from the neck, back and tail, in addition to components of the hip.
The analysis of the fossil shows that the dinosaur had an uncommon combination of functions that the scientists refer to as a different transformative path: not the lengthy neck that lots of people connect with large dinosaurs, yet an exceptionally robust and elongated tail.
The tail may have served as a counterbalance, allowing the pet to back up on its hind legs to feed, regardless of a neck that was reasonably brief for its body dimension.
Making use of a phylogenetic evaluation, the researchers discovered that Xiangyunloong fengming occupies a transformative placement between earlier sauropodomorphs and more derived types closer to real sauropods.
“The discovery of this brand-new sampling significantly enhances the well-known Very early Jurassic dinosaur animals of southwestern China,” the authors stated.
“It gives essential brand-new physiological functions that improve our understanding of morphological disparity and evolutionary patterns amongst the early-diverging sauropodomorphs.”
The searchings for were released on March 25 in the journal Royal Society Open Science
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Shao-Bin Hu et al 2026 A brand-new sauropodomorph dinosaur from the Lower Jurassic Fengjiahe Development of Dali of Yunnan District, China. R Soc Open Sci 13 (3: 252219; doi: 10 1098/ rsos. 252219
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