Chengjiangocaris

Extinct genus of arthropods From Wikipedia, the free encyclopedia

Chengjiangocaris

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 provides the most comprehensive reconstruction of any lower Cambrian arthropod.

Quick Facts Scientific classification, Species ...
Chengjiangocaris
Temporal range: Early Cambrian–Mid Cambrian
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Life restoration of Chengjiangocaris kunmingensis
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Chengjiangocaris kunmingensis
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Order: Fuxianhuiida
Family: Chengjiangocarididae
Genus: Chengjiangocaris
Hou and Bergström, 1991
Species

Chengjiangocaris longiformis Hou and Bergström,1991
Chengjiangocaris kunmingensis Yang et al., 2013

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Anatomy

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Anterior section of Chenjiangocaris

C. kunmingensis has 20 anterior trunk tergites and up to 16 narrow anterior tergites.[4]

Phylogeny

After[5]

Fuxianhuiida

Shankouia

Liangwangshania

Chengjiangocarididae

Alacaris

Chengjiangocaris

Fuxianhuiidae

References

Further reading

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