Dianchicystis
| Dianchicystis Temporal range: Early Cambrian
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Clade: | Ambulacraria (?) |
| Clade: | †Vetulocystida |
| Family: | †Vetulocystidae |
| Genus: | †Dianchicystis Shu et al., 2004 |
| Type species | |
| †Dianchicystis jianshanensis Shu et al., 2004
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Dianchicystis is an extinct genus of vetulocystid deuterostome. It was found in Jianshan, China, near Haikou, in the Cambrian Qiongzhusi Formation.[1]
Etymology
[edit]Jianshan is to the locality from which the four initial specimens were collected, and "Dianchi" comes from nearby Dianchi lake.[2]
Description
[edit]It is disinguished from Vetulicocystis by an anterior cone that has ribs that are not arranged in platelets, as well as a tapering "tail" (posterior section) with oblique striations. The posterior section has weakly developed furrows, possibly indicating segmentation.[2]
Phylogeny
[edit]| Vetulocystidae |
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References
[edit]- ^ Clausen et al. 2010, p. 138
- ^ a b Shu et al. 2004, p. 422
Works cited
[edit]- Clausen, Sébastien; Hou, Xian-Guang; Bergström, Jan; Franzén, Christina (2010). "The absence of echinoderms from the Lower Cambrian Chengjiang fauna of China: Palaeoecological and palaeogeographical implications". Palaeogeography, Palaeoclimatology, Palaeoecology. 294 (3): 133–141. Bibcode:2010PPP...294..133C. doi:10.1016/j.palaeo.2010.01.001.
- Shu, D.-G.; Conway Morris, S.; Han, J.; Zhang, Z.-F.; Liu, J.-N. (2004). "Ancestral echinoderms from the Chengjiang deposits of China". Nature. 430 (6998): 422–428. Bibcode:2004Natur.430..422S. doi:10.1038/nature02648. PMID 15269760. S2CID 4421182.
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