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Helbycysta
| Helbycysta | |
| Riding, J.B. and Helby, R. (2001d) | |
| Riding, J.B. and Helby, R. (2001d) | |
| Invalidly published | |
| Family Gonyaulacales/Uncertain | |
| psilata | |
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No synonyms
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