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Impletosphaeridium sphaericum
| sphaericum | |
| Horowitz, A. (1975) | |
| Islam, M.A. (1993) | |
| C_sphericum, Horowitz, 1975, Revue de Micropaléontologie vol.18.jpg | |
| questionably active | |
| 161 | |
| 143 | |
|
No synonyms
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