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Oligosphaeridium dispare
| dispare | |
| Tasch, P., McClure, K. and Oftedahl, O. (1964) | |
| Stover, L.E. and Evitt, W.R. (1978) | |
| active | |
| dispare | |
| Tasch, P., McClure, K. and Oftedahl, O. (1964) | |
| Stover, L.E. and Evitt, W.R. (1978) | |
| active | |