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Polysphaeridium microtriainum
| microtriainum | |
| Klumpp, B. (1953) | |
| Sarjeant, W.A.S. (1981) | |
| junior synonym | |
| microtriainum | |
| Klumpp, B. (1953) | |
| Sarjeant, W.A.S. (1981) | |
| junior synonym | |