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Prolixosphaeridium deirense
| deirense | |
| Davey, R.J., Downie, C., Sarjeant, W.A.S. and Williams, G.L. (1966) | |
| Lentin, J.K. and Williams, G.L. (1985) | |
| bt1_bt1_082.jpg | |
| active | |