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Adnatosphaeridium williereae
| williereae | |
| De Coninck, J. (1975) | |
| De Coninck, J. (1975) | |
| A_williereae, De Coninck, 1975, Serv. Géol. Belge, Prof. Paper vol.12 pp.1-151.jpg | |
| questionably active | |
| 56 | |
| 49 | |
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No synonyms
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No synonyms
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