Xiangshuiosteus: Difference between revisions
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Revision as of 04:21, 1 September 2013
| Xiangshuiosteus | |
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| Genus: | Xiangshuiosteus
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| Species: | X. wui
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| Xiangshuiosteus wui | |
Xiangshuiosteus wui is a brachythoracid arthrodire placoderm from the Late Emsian epoch of Wuding, Yunnan.
Specimen and Taxonomy
X. wui is known from a flattened, "Buddhist cap" shaped skull roof.[2] The skull roof is strongly reminiscent of coccosteids, but also has anatomical features otherwise diagnostic of buchanosteids.[2] This mix of anatomy lead its describer, Wang Junqing, to suggest that X. wui is the sister taxon of Coccosteidae, and represents a transitional form between Coccosteidae and Buchanosteidae.[2]
Etymology
The generic name literally translates as "Chinese: 香水; lit. 'perfume'(Pinyin:Xiāngshuǐ) + bone," but actually refers to Xiangshui Valley,[note 1] the district[2] in Wuding County where the holotype was found. The specific name honors Wu Baosheng, the gentleman who provided the holotype to Wang Junqing, the species' describer.
Notes
- ^ Not to be confused with Xiangshui County (Chinese: 响水县; lit. 'noisy water'(Pinyin:Xiǎng shuǐ) in Jiangsu province
References
- ^ Wang Junqing & Min, Zhu (1995). "Age of the Jiucheng Formation of Wuding,Yunnan". Institute of Vertebrate Palaeontology and Palaeoanthropology, Academia Sinica, Beijing. Retrieved 2013-05-20.
- ^ a b c d e Wang Junqing (1992). "NEW DISCOVERY OF EARLY MIDDLE DEVONIAN BRACHY-THORACID (PLACODERM FISH) FROM WUDING REGION OF YUNNAN". Vertebrata PalAsiatica. 30 (2): 111–119.
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