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Oligosphaeridium porosum
| porosum | |
| Jain, K.P. (1975) | |
| Lentin, J.K. and Williams, G.L. (1981) | |
| O_porosum, Jain, 1977b, the Paleobotanist -- 1.jpg | |
| active | |
| 83.65 | |
|
No synonyms
|
