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Polystephanephorus urnaformis
| urnaformis | |
| Cookson, I.C. (1953) | |
| Stover, L.E. (1975) | |
| Emmetrocysta urnaformis.jpg | |
| junior synonym | |
| urnaformis | |
| Cookson, I.C. (1953) | |
| Stover, L.E. (1975) | |
| Emmetrocysta urnaformis.jpg | |
| junior synonym | |