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Exochosphaeridium cenomaniense
| cenomaniense | |
| Norvick, M.S. (1975) | |
| Norvick, M.S. (1975) | |
| E_cenomaniense, Yu Jingxian and Zhang Wangping, ull. Chin. Acad. Geol. Sci., Ser. 1 vol.2, no.1 pp.93-119.jpg | |
| active | |
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No synonyms
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