Zhongjianichthys rostratus (lat.) Is a species of jawless or basal chordates from the family Myllokunmingiidae , the only known science in the genus Zhongjianichthys . Inhabited the lower Cambrian seas. Animal samples were found in shales of Maotian Shan ( China ).
| † Zhongjianichthys rostratus |
 Reconstruction |
| Scientific classification |
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| No rank : | Bilateral symmetrical |
| Family: | † Myllokunmingiidae |
| Gender: | † Zhongjianichthys Shu, 2003 |
| View: | † Zhongjianichthys rostratus |
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| International scientific name |
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Zhongjianichthys rostratus Shu, 2003 |
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It is considered as an early jawless and, therefore, ancestor of all vertebrates . There is an abdominal fin.