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Showing results for tags 'jehol'.
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Chinese bird fossil
Microraptorfan posted a topic in Is It Real? How to Recognize Fossil Fabrications
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Hi, Any thoughts on this tooth? It is 1cm long, from QingLong City,HeBei Province--northeast Hebei, which is Jehol Biota. I am wondering if it is a type of crocodile tooth? Thanks
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This is said to be a juvenile Jeholosaurus from Jehol. It looks genuine but I would like to seek your views on its authenticity and completeness of the skeleton. Thanks.
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From the album: Vertebrates
Hyphalosaurus baitaigouensis Ji et al., 2004 Lower Cretaceous Jinzhou Liaoning province PR China Length 8cm / 3" In January 1999, two new choristoderans - aquatic living diapside reptiles - from the Jehol biota (lower cretaceous of Liaoning , China) were described by the "Institute of Vertebrate Paleontology and Paleoantropology" (IVPP) and by the "Beijing Natural History Museum" (BVC) under the names Sinohydrosaurus lingyuanensis Li et al., 1999 und Hyphalosaurus lingyuanensis Gao et al., 1999. It turned out that both institutes independently described slab and counterslab of the same individuum. H. lingyuanensis is the valid name, this description was published slightly earlier - just by a couple of days. This is a hatchling, adult Hyphalosaurs can reach almost 1.5m in length. Hyphalosaurus is often faked and sold under different names. Lit.: Smith, J. and Harris J. (2001): A TAXONOMIC PROBLEM CONCERNING TWO DIAPSID GENERA FROM THE LOWER YIXIAN FORMATION OF LIAONING PROVINCE, NORTHEASTERN CHINA. Journal of Vertebrate Paleontology 21(2):389–391, June 2001. Hou, L. et al.(2009): Implications of flexible-shelled eggs in a Cretaceous choristoderan reptile. Proc. R. Soc. B doi:10.1098/rspb. 2009.2035, Published online Gao, K. and Ksepka, D. (2008): Osteology and taxonomic revision of Hyphalosaurus (Diapsida: Choristodera) from the Lower Cretaceous of Liaoning, China. J. Anat. (2008) 212, pp 747–768-
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