| Chengjiangocaris Temporal range:
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| Life restoration of Chengjiangocaris kunmingensis | |
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| Chengjiangocaris kunmingensis | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Order: | †Fuxianhuiida |
| Family: | †Chengjiangocarididae |
| Genus: | †Chengjiangocaris Hou and Bergström, 1991 |
| Species | |
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Chengjiangocaris longiformis Hou and Bergström,1991 | |
Chengjiangocaris is an extinct genus of fuxianhuiid arthropod known from the Cambrian of South China. It contains two species, C. longiformis which was described in 1991. C. kunmingensis was described in 2013 by Javier Ortega-Hernández and colleagues.[1][2] One specimen of C. kunmingensis shows detailed evidence of a nervous system.[3] The nervous system of the chengjiangocaris is and has always been very complex to understand but a recent discovery of the ladder like ventral nerval cords and segmental ganglia of the related chengjiangocaris together with the brain provide the most comprehensive reconstruction of any lower Cambrian arthropod.
- ^ "Figure 3: Reconstruction of Chengjiangocaris kunmingensis". Researchgate. Retrieved 1 March 2016.
- ^ "520m-year-old nervous system among oldest and most detailed ever found". The Guardian. 1 March 2016. Retrieved 1 March 2016.
- ^ Feltman, Rachel (March 1, 2016). "Exquisitely detailed 520 million-year-old fossil shows individual nerves". Washington Post. Retrieved 1 March 2016.