"First Polacanthine Ankylosaur dinosaur discovered in Asia" Topic
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| Tango01 | 29 Dec 2013 10:11 p.m. PST |
"In a study published in the latest issue of Vertebrata PalAsiatica 51(4), Dr. YOU Hai-Lu, Institute of Vertebrate Paleontology and Paleoanthropology (IVPP), Chinese Academy of Sciences, and his collaborators from China University of Geosciences (Beijing), Gansu Geological Museum in Lanzhou, and Administration of Liujiaxia Dinosaur National Geopark in Yongjing of Gansu, described a new dinosaur, Taohelong jinchengensis gen. et sp. nov., based on material from the Lower Cretaceous Hekou Group in Lanzhou-Minhe Basin, north-central China. Taohelong represents the first occurrence of polacanthine in Asia, and provides new data for studying the evolution and biogeography of polacanthine. The new specimens include a proximo-middle caudal vertebra, three dorsal ribs, an almost complete left ilium, and several armors including a partial sacral shield. Taohelong jinchengensis possesses three distinctive anatomical features: neural canal of proximo-middle caudal inverted trapezium, lateral edge of preacetabular process inverted "S"-shaped in dorsal view, and sacral shield composed of various-sized and irregularly-arranged osteoderms…"
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