Huaxiagnathus
Huaxiagnathus | |
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Huaxiagnathus orientalis fossil displayed in Hong Kong Science Museum | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Clade: | Dinosauria |
Clade: | Saurischia |
Clade: | Theropoda |
Family: | †Compsognathidae |
Genus: | †Huaxiagnathus Hwang et al., 2004 |
Species: | †H. orientalis
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Binomial name | |
†Huaxiagnathus orientalis Hwang et al., 2004
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Huaxiagnathus is a
The name Huaxiagnathus is derived from the
Description
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Huaxiagnathus_Size_Comparison_by_PaleoGeek.svg/220px-Huaxiagnathus_Size_Comparison_by_PaleoGeek.svg.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Huaxiagnathus_skeletal.jpg/220px-Huaxiagnathus_skeletal.jpg)
The holotype (CAGS-IG-02-301, Chinese Academy of Geological Sciences, Beijing) specimen was collected from the Yixian Formation (Jehol Group, Aptian) at Dabangou Village, Sihetun area, near Beipiao City, in western Liaoning Province. The holotype consists of an essentially complete skeleton, lacking only the end of the tail, preserved on five large slabs. Partially digested bones of an unidentified vertebrate were found within the holotype specimen.[1] Another, larger specimen of Huaxiagnathus was discovered earlier in the Yixian Formation of the Sihetun area (NGMC 98-5-003, National Geological Museum of China, Beijing), but damage and mistakes made during its preparation rendered it unsuitable as a holotype.
Hwang et al. (2004, pp. 14–15) diagnosed this genus as follows: differing from all other known compsognathids in having a very long posterior process of the
Phylogeny
Here is a simplified version of Cau (2024), which shows Huaxiagnathus in bold.
Tetanurae |
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