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==Discovery and naming== |
==Discovery and naming== |
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Beginning in 1964, paleontologists conducted large-scale excavations in [[Zhucheng]] and discovered an abundant source of fossils; notably dinosaur fossils.<ref>[https://paleobiodb.org/classic/displayStrata?geological_group=Wangshi&group_formation_member=Wangshi Wangshi Group] in the [[Paleobiology Database]]</ref> '''ZJZ-183''', the [[holotype]] specimen, was discovered in the [[Late Cretaceous|Upper Cretaceous]] [[Wangshi Group]] (specifically the [[Xingezhuang Formation]]<ref>Zhao Xijin, Wang Kebai, & Li Dunjing. (2011). "''[[Huaxiaosaurus aigahtens]]''." ''Geological Bulletin of China'' '''30''' (11):1671-1688</ref>) in Zhucheng, [[Shandong|Shandong Province, China]] around 2010.<ref>{{cite web|title=Shandong discovers new dinosaur with spikes!|url=http://www.yqqlm.com/2020/08/shandong-discovers-new-dinosaur-with-spikes/|publisher=yqqlm|access-date=21 August 2020}}</ref> The fossil was prepared during the following years and was later described in 2020.<ref name=Wang2020 /> |
Beginning in 1964, paleontologists conducted large-scale excavations in [[Zhucheng]] and discovered an abundant source of fossils; notably dinosaur fossils.<ref>[https://paleobiodb.org/classic/displayStrata?geological_group=Wangshi&group_formation_member=Wangshi Wangshi Group] in the [[Paleobiology Database]]</ref> '''ZJZ-183''', the [[holotype]] specimen, was discovered in the [[Late Cretaceous|Upper Cretaceous]] [[Wangshi Group]] (specifically the [[Xingezhuang Formation]]<ref>Zhao Xijin, Wang Kebai, & Li Dunjing. (2011). "''[[Huaxiaosaurus aigahtens]]''." ''Geological Bulletin of China'' '''30''' (11):1671-1688</ref>) in Zhucheng, [[Shandong|Shandong Province, China]] around 2010.<ref>{{cite web|title=Shandong discovers new dinosaur with spikes!|date=20 August 2020|url=http://www.yqqlm.com/2020/08/shandong-discovers-new-dinosaur-with-spikes/|publisher=yqqlm|access-date=21 August 2020}}</ref> The fossil was prepared during the following years and was later described in 2020.<ref name=Wang2020 /> |
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==Description== |
==Description== |
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==Paleoecology== |
==Paleoecology== |
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''Sinankylosaurus'' is known from the Xingezhuang Formation of southern China. It is known from a single ilium. Alongside it, in the formation, lived ''[[Sinoceratops]]'', a [[ceratopsian]],<ref name=xu2010>{{Cite journal|author=Xu, X., Wang, K., Zhao, X. & Li, D.|year=2010|title=First ceratopsid dinosaur from China and its biogeographical implications|journal=Chinese Science Bulletin|volume=55|issue=16|pages=1631–1635|doi=10.1007/s11434-009-3614-5}}</ref> ''[[Shantungosaurus]]'', a very common hadrosaurid to which most of the material has been assigned,<ref name=xu2010/><ref name="hu1973"/> ''[[Zhuchengtyrannus]]'', an Asian tyrannosaurid related to ''[[Tarbosaurus]]'',<ref name=xu2010/> ''[[Zhuchengceratops]]'', an Asian leptoceratopsid,<ref name="zhao2007">{{cite journal|year=2007|title=''Zuchengosaurus maximus'' from Shandong Province|journal=Acta Geoscientia Sinica|volume=28|issue=2|pages=111–122|author1=Zhao, X. |author2=Li, D. |author3=Han, G. |author4=Zhao, H. |author5=Liu, F. |author6=Li, L. |author7=Fang, X. |name-list-style=amp |doi=10.1007/s10114-005-0808-x}}</ref> and ''[[Huaxiaosaurus]]'',<ref name="zhao2011">{{cite journal|year=2011|title=''Huaxiaosaurus aigahtens''|journal=Geological Bulletin of China|volume=30|issue=11|pages=1671–1688|author1=Zhao X. |author2=Wang K. |author3=Li D. |name-list-style=amp }}</ref> a possible older individual of ''Shantungosaurus''.<ref name="holtz2012">{{cite book|author=Holtz, T.R. Jr.|year=2012|title=Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages|url=https://archive.org/details/dinosaursmostcom00holt/page/47|publisher=Indiana University Press|isbn=978-0-375-82419-7|page=[https://archive.org/details/dinosaursmostcom00holt/page/47 47]|url-access=registration}}</ref><ref name="zhao2011"/> Other possible remains have been assigned to ''[[Zhuchengosaurus]]'',<ref name="zhao2007"/> a probable junior synonym of ''Shantungosaurus'',<ref name="holtz2012"/> and material tentatively assigned to ''[[Tyrannosaurus]]''.<ref name="hu1973">{{cite journal|author=Hu, C.C.|year=1973|title=[A new hadrosaur from the Cretaceous of Chucheng, Shantung]|journal=Acta Geologica Sinica|volume=2|pages=179–206}}</ref> |
''Sinankylosaurus'' is known from the Xingezhuang Formation of southern China. It is known from a single ilium. Alongside it, in the formation, lived ''[[Sinoceratops]]'', a [[ceratopsian]],<ref name=xu2010>{{Cite journal|author=Xu, X., Wang, K., Zhao, X. & Li, D.|year=2010|title=First ceratopsid dinosaur from China and its biogeographical implications|journal=Chinese Science Bulletin|volume=55|issue=16|pages=1631–1635|doi=10.1007/s11434-009-3614-5|bibcode=2010ChSBu..55.1631X|s2cid=128972108}}</ref> ''[[Shantungosaurus]]'', a very common hadrosaurid to which most of the material has been assigned,<ref name=xu2010/><ref name="hu1973"/> ''[[Zhuchengtyrannus]]'', an Asian tyrannosaurid related to ''[[Tarbosaurus]]'',<ref name=xu2010/> ''[[Zhuchengceratops]]'', an Asian leptoceratopsid,<ref name="zhao2007">{{cite journal|year=2007|title=''Zuchengosaurus maximus'' from Shandong Province|journal=Acta Geoscientia Sinica|volume=28|issue=2|pages=111–122|author1=Zhao, X. |author2=Li, D. |author3=Han, G. |author4=Zhao, H. |author5=Liu, F. |author6=Li, L. |author7=Fang, X. |name-list-style=amp |doi=10.1007/s10114-005-0808-x|s2cid=119700784}}</ref> and ''[[Huaxiaosaurus]]'',<ref name="zhao2011">{{cite journal|year=2011|title=''Huaxiaosaurus aigahtens''|journal=Geological Bulletin of China|volume=30|issue=11|pages=1671–1688|author1=Zhao X. |author2=Wang K. |author3=Li D. |name-list-style=amp }}</ref> a possible older individual of ''Shantungosaurus''.<ref name="holtz2012">{{cite book|author=Holtz, T.R. Jr.|year=2012|title=Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages|url=https://archive.org/details/dinosaursmostcom00holt/page/47|publisher=Indiana University Press|isbn=978-0-375-82419-7|page=[https://archive.org/details/dinosaursmostcom00holt/page/47 47]|url-access=registration}}</ref><ref name="zhao2011"/> Other possible remains have been assigned to ''[[Zhuchengosaurus]]'',<ref name="zhao2007"/> a probable junior synonym of ''Shantungosaurus'',<ref name="holtz2012"/> and material tentatively assigned to ''[[Tyrannosaurus]]''.<ref name="hu1973">{{cite journal|author=Hu, C.C.|year=1973|title=[A new hadrosaur from the Cretaceous of Chucheng, Shantung]|journal=Acta Geologica Sinica|volume=2|pages=179–206}}</ref> |
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== References == |
== References == |
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Revision as of 22:19, 10 January 2022
| Sinankylosaurus Temporal range: Late Cretaceous
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Genus: | †Sinankylosaurus Wang et al., 2020 |
| Species: | †S. zhuchengensis
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| Binomial name | |
| †Sinankylosaurus zhuchengensis Wang et al., 2020
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Sinankylosaurus (meaning "Chinese fused lizard") is a genus of ankylosaurian dinosaur from the late Cretaceous Period of Shandong, China. The genus contains a single species, Sinankylosaurus zhuchengensis, known from a nearly complete right illium. The describers explained that the discovery of Sinankylosaurus further demonstrates the similarity between dinosaurs of eastern Asia and western North America.[1]
Discovery and naming
Beginning in 1964, paleontologists conducted large-scale excavations in Zhucheng and discovered an abundant source of fossils; notably dinosaur fossils.[2] ZJZ-183, the holotype specimen, was discovered in the Upper Cretaceous Wangshi Group (specifically the Xingezhuang Formation[3]) in Zhucheng, Shandong Province, China around 2010.[4] The fossil was prepared during the following years and was later described in 2020.[1]
Description
Sinankylosaurus, based on the contemporary relative Pinacosaurus, would have grown to around 5 metres (16 ft) long and would have weighed no heavier than 2 tonnes (4,400 lb).[1][5]
Paleoecology
Sinankylosaurus is known from the Xingezhuang Formation of southern China. It is known from a single ilium. Alongside it, in the formation, lived Sinoceratops, a ceratopsian,[6] Shantungosaurus, a very common hadrosaurid to which most of the material has been assigned,[6][7] Zhuchengtyrannus, an Asian tyrannosaurid related to Tarbosaurus,[6] Zhuchengceratops, an Asian leptoceratopsid,[8] and Huaxiaosaurus,[9] a possible older individual of Shantungosaurus.[10][9] Other possible remains have been assigned to Zhuchengosaurus,[8] a probable junior synonym of Shantungosaurus,[10] and material tentatively assigned to Tyrannosaurus.[7]
References
- ^ a b c Wang, K. B.; Zhang, Y. X.; Chen, J.; Chen, S. Q.; Wang, P. Y. (2020). "A new ankylosaurian from the Late Cretaceous strata of Zhucheng, Shandong Province". Geological Bulletin of China (in Chinese). 39 (7): 958–962.
- ^ Wangshi Group in the Paleobiology Database
- ^ Zhao Xijin, Wang Kebai, & Li Dunjing. (2011). "Huaxiaosaurus aigahtens." Geological Bulletin of China 30 (11):1671-1688
- ^ "Shandong discovers new dinosaur with spikes!". yqqlm. 20 August 2020. Retrieved 21 August 2020.
- ^ Gregory S. Paul (2010). The Princeton Field Guide to Dinosaurs. United States of America: Princeton University Press. ISBN 9780691137209.
- ^ a b c Xu, X., Wang, K., Zhao, X. & Li, D. (2010). "First ceratopsid dinosaur from China and its biogeographical implications". Chinese Science Bulletin. 55 (16): 1631–1635. Bibcode:2010ChSBu..55.1631X. doi:10.1007/s11434-009-3614-5. S2CID 128972108.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - ^ a b Hu, C.C. (1973). "[A new hadrosaur from the Cretaceous of Chucheng, Shantung]". Acta Geologica Sinica. 2: 179–206.
- ^ a b Zhao, X.; Li, D.; Han, G.; Zhao, H.; Liu, F.; Li, L. & Fang, X. (2007). "Zuchengosaurus maximus from Shandong Province". Acta Geoscientia Sinica. 28 (2): 111–122. doi:10.1007/s10114-005-0808-x. S2CID 119700784.
- ^ a b Zhao X.; Wang K. & Li D. (2011). "Huaxiaosaurus aigahtens". Geological Bulletin of China. 30 (11): 1671–1688.
- ^ a b Holtz, T.R. Jr. (2012). Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages. Indiana University Press. p. 47. ISBN 978-0-375-82419-7.
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